Commit Graph

116048 Commits

Author SHA1 Message Date
Mark Brown 4aa922c024 regulator: Only apply voltage constraints from consumers that set them
When applying the set_voltage() requests from consumers skip over those
consumers that haven't set anything, otherwise we'll come out with a
maximum voltage of zero.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Mark Brown a4b4148379 regulator: If we can't configure optimum mode we're always in the best one
If either a regulator driver can't tell us what the optimum mode is (or
doesn't have modes in the first place) or the system doesn't allow DRMS
changes then it's more helpful for users to just say that we're in the
optimal mode, even if it's from a selection of one.

Still report errors if the process of picking and setting a mode changes as
this may indicate that we're stuck in a low power mode and unable to deliver
a higher current that the consumer just asked for.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Jonghwan Choi afdaaafe8e regulator: max8997: remove useless code
fix unreachable code.

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Axel Lin 6be6e96fe9 regulator: Fix memory leak in max8998_pmic_probe failure path
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Axel Lin 77fa44d0e1 regulator: Fix desc_id for tps65023/6507x/65910
The desc_id variable should not be a static variable.

The rest of the code assumes the desc_id must less than TPSxxxxx_NUM_REGULATOR.
If we set desc_id to be a static variable, checking the return value of
rdev_get_id() may return error.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Anuj Aggarwal <anuj.aggarwal@ti.com>
Cc: Graeme Gregory <gg@slimlogic.co.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Jorge Eduardo Candelaria c01e36dde4 linux-next: build failure after merge of the voltage tree
On May 10, 2011, at 9:27 PM, Stephen Rothwell wrote:

> Hi Jorge,
>
> On Tue, 10 May 2011 12:30:36 -0500 Jorge Eduardo Candelaria <jedu@slimlogic.co.uk> wrote:
>>
>> On May 10, 2011, at 3:38 AM, Liam Girdwood wrote:
>>
>>> On Tue, 2011-05-10 at 12:44 +1000, Stephen Rothwell wrote:
>>>> Hi Liam,
>>>>
>>>> After merging the voltage tree, today's linux-next build (x86_64
>>>> allmodconfig) failed like this:
>>>>
>>>> ERROR: "tps65910_gpio_init" [drivers/mfd/tps65910.ko] undefined!
>>>> ERROR: "tps65910_irq_init" [drivers/mfd/tps65910.ko] undefined!
>>>> ERROR: "irq_modify_status" [drivers/mfd/tps65910-irq.ko] undefined!
>>>> ERROR: "irq_set_chip_and_handler_name" [drivers/mfd/tps65910-irq.ko] undefined!
>>>> ERROR: "handle_edge_irq" [drivers/mfd/tps65910-irq.ko] undefined!
>>>>
>>>> I have used the voltage tree from next-20110509 for today.
>>>
>>> Jorge, could you send a fix for this today.
>>
>> The following patch should solve this:
>>
>> From: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
>> MFD: Fix TPS65910 build
>>
>> Support for tps65910 as a module is not available. The driver can
>> only be compiled as built-in. OTOH, the regulator driver can still
>> be built as module without breaking the compilation.
>>
>> Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
>
> Today (even with the above patch included) I got these errors from the
> x86_64 allmodconfig build:
>
> tps65910.c:(.text+0xf4140): undefined reference to `i2c_master_send'
> drivers/built-in.o: In function `tps65910_i2c_read':
> tps65910.c:(.text+0xf41d2): undefined reference to `i2c_transfer'
> drivers/built-in.o: In function `tps65910_i2c_init':
> tps65910.c:(.init.text+0xcb83): undefined reference to `i2c_register_driver'
> drivers/built-in.o: In function `tps65910_i2c_exit':
> tps65910.c:(.exit.text+0x6e0): undefined reference to `i2c_del_driver'
>
> I have used the voltage tree from next-20110509 again today.

Following patch should fix the dependency problems. Please review:

From: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
[PATCH] MFD: TPS65910: Fix I2C dependency

TPS65910 driver can only be compiled built-in, so the I2C driver
should be as well.

Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Axel Lin 327e15af15 Revert "regulator: Move VCOINCELL to be the last element of mc13892_regulators array"
I check this patch again and found this actually is not a bug
because MC13xxx_DEFINE explictly defines the order of each entry in the array.

Thus revert the patch.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:09 +01:00
Mark Brown cda5310328 regulator: Remove some unused variables from wm831x DCDCs
These became unused with the IRQ removal patch, I'm fairly sure that a
patch was sent earlier by someone else but it doesn't seem to have been
applied and I don't have a copy sitting around any more.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:08 +01:00
Jorge Eduardo Candelaria aec519b5ec linux-next: build failure after merge of the voltage tree
On May 10, 2011, at 3:38 AM, Liam Girdwood wrote:

> On Tue, 2011-05-10 at 12:44 +1000, Stephen Rothwell wrote:
>> Hi Liam,
>>
>> After merging the voltage tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>>
>> ERROR: "tps65910_gpio_init" [drivers/mfd/tps65910.ko] undefined!
>> ERROR: "tps65910_irq_init" [drivers/mfd/tps65910.ko] undefined!
>> ERROR: "irq_modify_status" [drivers/mfd/tps65910-irq.ko] undefined!
>> ERROR: "irq_set_chip_and_handler_name" [drivers/mfd/tps65910-irq.ko] undefined!
>> ERROR: "handle_edge_irq" [drivers/mfd/tps65910-irq.ko] undefined!
>>
>> I have used the voltage tree from next-20110509 for today.
>
> Jorge, could you send a fix for this today.
>
> Thanks
>
> Liam
>

The following patch should solve this:

From: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
MFD: Fix TPS65910 build

Support for tps65910 as a module is not available. The driver can
only be compiled as built-in. OTOH, the regulator driver can still
be built as module without breaking the compilation.

Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:08 +01:00
Graeme Gregory 518fb721de TPS65910: Add tps65910 regulator driver
The regulator module consists of 3 DCDCs and 8 LDOs. The output
voltages are configurable and are meant to supply power to the
main processor and other components

Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:49:08 +01:00
Graeme Gregory e3471bdc27 TPS65910: IRQ: Add interrupt controller
This module controls the interrupt handling for the tps chip. The
interrupt sources are the following:

- GPIO falling/rising edge detection
- Battery voltage below/above threshold
- PWRON signal
- PWRHOLD signal
- Temperature detection
- RTC alarm and periodic event

Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:48:43 +01:00
Graeme Gregory 2537df722d TPS65910: GPIO: Add GPIO driver
TPS65910 has one configurable GPIO that can be used for several
purposes. Subsequent versions of the TPS chip support more than
one GPIO.

Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:48:23 +01:00
Graeme Gregory 27c6750ec5 MFD: TPS65910: Add new mfd device for TPS65910
The TPS65910 chip is a power management IC for multimedia and handheld
devices. It contains the following components:

- Regulators
- GPIO controller
- RTC

The tps65910 core driver is registered as a platform driver and provides
communication through I2C with the host device for the different
components.

Signed-off-by: Graeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: Jorge Eduardo Candelaria <jedu@slimlogic.co.uk>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:35:22 +01:00
Axel Lin 98ea5c218e regulator: Use mc13xxx_reg_write instead of mc13xxx_reg_rmw in mc13892_sw_regulator_set_voltage
Currently, we call mc13xxx_reg_read and mc13xxx_reg_rmw for the same register.
This can be converted to simply a mc13xxx_reg_read and a mc13xxx_reg_write,
thus save a redundant register read.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:37 +01:00
Mark Brown bf5892a816 regulator: Support voltage offsets to compensate for drops in system
Some systems, particularly physically large systems used for early
prototyping, may experience substantial voltage drops between the regulator
and the consumers as a result of long traces in the system. With these
systems voltages may need to be set higher than requested in order to
ensure reliable system operation.

Allow systems to work around such hardware issues by allowing constraints
to supply an offset to be applied to any requested and reported voltages.
This is not ideal, especially since the voltage drop may be load dependant,
but is sufficient for most affected systems, it is not expected to be used
in production hardware. The offset is applied after all constraint
processing so constraints should be specified in terms of consumer values
not physically configured values.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:37 +01:00
Mark Brown 492c826b9f regulator: Remove supply_regulator_dev from machine configuration
supply_regulator_dev (using a struct pointer) has been deprecated in favour
of supply_regulator (using a regulator name) for quite a few releases
now with a warning generated if it is used and there are no current in tree
users so just remove the code.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:37 +01:00
Axel Lin ba413c5972 regulator: Move VCOINCELL to be the last element of mc13892_regulators array
In include/linux/mfd/mc13892.h, we define MC13892_VCOINCELL as 23.
Thus VCOINCELL should be defined as 23th element in mc13892_regulators array, not the first one.
This actually fixes an off-by-one bug while accessing mc13892_regulators array.

For example,
In mc13892_regulator_probe, we use MC13892_VCAM as array index of mc13892_regulators array.
        mc13892_regulators[MC13892_VCAM].desc.ops->set_mode
                = mc13892_vcam_set_mode;
Currently, it access mc13892_regulators[12] ,which is VAUDIO not VCAM.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:37 +01:00
Mark Brown 82d158397b regulator: Factor out references to rdev in regulator_force_disable()
Don't go looking up the rdev pointer every time, just use a local variable
like everything else.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:37 +01:00
Mark Brown 7ce8a2a05f regulator: Convert WM8400 to get_voltage_sel()
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:37 +01:00
Axel Lin 22c51b47aa regulator: Fix the argument of calling regulator_mode_constrain
The second parameter of regulator_mode_constrain takes a pointer.

This patch fixes below warning:
drivers/regulator/core.c: In function 'regulator_set_mode':
drivers/regulator/core.c:2014: warning: passing argument 2 of 'regulator_mode_constrain' makes pointer from integer without a cast
drivers/regulator/core.c:200: note: expected 'int *' but argument is of type 'unsigned int'

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
2011-05-27 10:34:36 +01:00
Saquib Herman 1a39962fc4 regulator: twl: add twl6030 set_mode
Current set_mode logic does not support 6030. The logic for 4030 is
not reusable for 6030 as the mode setting for 6030 now uses the new
CFG_STATE register. We hence rename the old get_status as being
specific to 4030.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Saquib Herman <saquib@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
2011-05-27 10:34:36 +01:00
Saquib Herman 9a0244ad71 regulator: twl: add twl6030 get_status
Current get_status logic does not support 6030 get_status.
The logic for 4030 is not reusable for 6030 as the status
check for 6030 now depends on the new CFG_STATE register.
We hence rename the old get_status as being specific to
4030 and remove the redundant check for the same.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Saquib Herman <saquib@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
2011-05-27 10:34:36 +01:00
Saquib Herman b2456779f3 regulator: twl: fix twl6030 regulator is_enabled
With TWL6030, it is not enough to ensure that the regulator is the
group of P1 group (CPU/Linux), but we need to check the state as far
as APP is concerned as well.

Split the current is_enabled to 6030 and 4030 specific ones. This
split impacts few macros and variables as well, but sets up the
stage for further fixes to set_mode and get_status in subsequent
patches.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Saquib Herman <saquib@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
2011-05-27 10:34:36 +01:00
Saquib Herman 776dc923f5 regulator: twl: remap has no meaning for 6030
TWL6030 does not have remap register. The current implementation
causes value of remap to be written to state register, accidentally
causing the regulators which are probed to be switched on as well.
This is wrong as regulators should be controllable based on calls
to enable/disable for TWL regulator framework. Further, the values
initialized make no sense as well. We hence remove this from the
initalizers and also write to remap register only if the TWL
is 4030.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Saquib Herman <saquib@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
2011-05-27 10:34:36 +01:00
Saquib Herman 21657ebf86 regulator: twl: fix twl6030 enable/disable
TWL6030 requires an additional register write to CFG_STATE register
to explicitly state that the regulator is in a certain state. Merely
associating the regulator with the group is not enough. Add the
required register field definitions and fix the handling for
TWL6030 enable/disable.

Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Saquib Herman <saquib@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@vega.(none)>
2011-05-27 10:34:36 +01:00
Axel Lin f0f060bdd5 regulator: Add missing platform_set_drvdata in tps6105x_regulator_probe
Otherwise, calling platform_get_drvdata in tps6105x_regulator_remove
returns NULL.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:36 +01:00
Mark Brown 2c6082341d regulator: When constraining modes fall back to higher power modes
If a mode requested by a consumer is not allowed by constraints
automatically fall back to a higher power mode if possible. This
ensures that consumers get at least the output they requested while
allowing machine drivers to transparently limit lower power modes
if required.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
2011-05-27 10:34:35 +01:00
Jean Delvare 582e1b270f hwmon: (coretemp) Fix section mismatch
chk_ucode_version() is only called from coretemp_probe() which is
__devinit, so it can be marked __devinit too.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Durgadoss R <durgadoss.r@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-27 02:24:54 -07:00
Guenter Roeck eec752b2b9 hwmon: (pmbus) Initialize sysfs attributes
Initialize sysfs attrs before device_create_file() call to suppress
lockdep_init_map() warning:

WARNING: at kernel/lockdep.c:2701 lockdep_init_map+0x12d/0x140()

Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@kernel.org # .39.x
2011-05-27 02:24:54 -07:00
Guenter Roeck 6777b9e47e hwmon: (coretemp) Update comments describing the handling of HT CPUs
Update comments describing the handling of HT CPUs based on review feedback.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Durgadoss R <durgadoss.r@intel.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
2011-05-27 02:24:53 -07:00
Sergey Senozhatsky 4258781ac7 hwmon: (coretemp) Initialize sysfs attributes
Initialize sysfs attrs before device_create_file() call to suppress lockdep_init_map()
warning:

[    3.653628] WARNING: at kernel/lockdep.c:2885 lockdep_init_map+0xea/0x43c()
[    3.653698] Modules linked in:
[    3.654835] Pid: 1, comm: swapper Not tainted 2.6.39-dbg-git8-05624-g46187f8 #576
[    3.656014] Call Trace:
[    3.657139]  [<ffffffff8103e4b4>] warn_slowpath_common+0x7e/0x96
[    3.658298]  [<ffffffff8103e4e1>] warn_slowpath_null+0x15/0x17
[    3.659460]  [<ffffffff8106d7b9>] lockdep_init_map+0xea/0x43c
[    3.660616]  [<ffffffff81163c1a>] sysfs_add_file_mode+0x5d/0xa8
[    3.661785]  [<ffffffff81163c71>] sysfs_add_file+0xc/0xe
[    3.662929]  [<ffffffff81163d26>] sysfs_create_file+0x23/0x25
[    3.664045]  [<ffffffff813724d1>] device_create_file+0x14/0x16
[    3.665172]  [<ffffffff81460ed4>] coretemp_probe+0xf9/0x185
[    3.666306]  [<ffffffff8137638e>] platform_drv_probe+0x12/0x14
[    3.667420]  [<ffffffff81375321>] driver_probe_device+0xb0/0x14b
[    3.668542]  [<ffffffff8137546d>] __device_attach+0x35/0x3a
[    3.669710]  [<ffffffff81375438>] ? __driver_attach+0x7c/0x7c
[    3.670816]  [<ffffffff8137426b>] bus_for_each_drv+0x54/0x88
[    3.671921]  [<ffffffff81375231>] device_attach+0x77/0x9b
[    3.673027]  [<ffffffff81374aef>] bus_probe_device+0x22/0x39
[    3.674137]  [<ffffffff81373235>] device_add+0x3c1/0x550
[    3.675249]  [<ffffffff81371ed9>] ? dev_set_name+0x3c/0x3e
[    3.676371]  [<ffffffff813769f3>] platform_device_add+0x10c/0x156
[    3.677491]  [<ffffffff8146af9c>] get_core_online+0xab/0x16e
[    3.678608]  [<ffffffff81ad8070>] coretemp_init+0x4b/0x80
[    3.679724]  [<ffffffff81ad8025>] ? hwmon_init+0xee/0xee
[    3.680853]  [<ffffffff8100020a>] do_one_initcall+0x7a/0x13c
[    3.681975]  [<ffffffff81aaac74>] kernel_init+0xe1/0x15b
[    3.683081]  [<ffffffff8147e4e4>] kernel_thread_helper+0x4/0x10
[    3.684174]  [<ffffffff8102d48c>] ? finish_task_switch+0x76/0xf0
[    3.685266]  [<ffffffff81477918>] ? retint_restore_args+0x13/0x13
[    3.686356]  [<ffffffff81aaab93>] ? start_kernel+0x3ee/0x3ee
[    3.687425]  [<ffffffff8147e4e0>] ? gs_change+0x13/0x13
[    3.688489] ---[ end trace 7392ad3e6a92ae39 ]---

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2011-05-27 02:24:53 -07:00
Cliff Cai 9c3e737561 spi/spi_bfin_sport: new driver for a SPI bus via the Blackfin SPORT peripheral
The Blackfin SPORT peripheral is a pretty flexible device.  With enough
coaching, we can make it generate SPI compatible waveforms.  This is
desirable as the SPORT can run at much higher clock frequencies than the
dedicated on-chip SPI peripheral, and it can do full duplex DMA.  It also
opens up the possibility of multiple SPI buses in case someone wants to
dedicate a whole bus to a specific part that does not play well with
others.

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-27 01:23:54 -06:00
Namhyung Kim ac04fee0b5 loop: export module parameters
Export 'max_loop' and 'max_part' parameters to sysfs so user can know
that how many devices are allowed and how many partitions are supported.

If 'max_loop' is 0, there is no restriction on the number of loop devices.
User can create/use the devices as many as minor numbers available. If
'max_part' is 0, it means simply the device doesn't support partitioning.

Also note that 'max_part' can be adjusted to power of 2 minus 1 form if
needed. User should check this value after the module loading if he/she
want to use that number correctly (i.e. fdisk, mknod, etc.).

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-27 07:59:25 +02:00
James Smart 7ad20aa9d3 [SCSI] lpfc 8.3.24: Extend BSG infrastructure and add link diagnostics
Extend BSG infrastructure and add link diagnostics:
- Removed unnecessary copies in handling pass-through mbox cmds.
- Add embedded SLI_CONFIG support for BSG.
- Add multibuffer support.
- Implemented the setting up and tearing down Lancer FC device for performing
  internal and external loopback diagnostic tests.
- Implemented the driver support for performing new link diagnostic tests

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:39 -05:00
James Smart 6d368e5321 [SCSI] lpfc 8.3.24: Add resource extent support
This patch adds support for hardware that returns resource ids via
extents rather than contiguous ranges.

[jejb: checkpatch.pl fixes]
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:38 -05:00
James Smart 52d5244096 [SCSI] lpfc 8.3.24: Add request-firmware support
Add request-firmware support:
- Add support for request_firmware interface for INTF2 SLI4 ports.
- Add ability to reset SLI4 INTF2 ports.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:37 -05:00
James Smart 912e3acde6 [SCSI] lpfc 8.3.24: Add SR-IOV control
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:36 -05:00
James Smart c0c1151276 [SCSI] lpfc 8.3.24: Extended hardware support and support dump images
Extended hardware support and support dump images:
- Make the size to be MAILBOX_SYSFS_MAX (4096) so that it allows the maximum
  sysfs binary access interface possible.
- Add ids and model names for new hardware
- Add capability of inducing SLI4 firmware dump obj file

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:36 -05:00
James Smart 0558056c1e [SCSI] lpfc 8.3.24: Miscellaneous Fixes and Corrections
Miscellaneous Fixes and Corrections
- Remove the memset in the lpfc_sli4_remove_rpi_hdrs call.
- Correct swapping of SGE word 2 relative to offset value
- Reorganize CQ and EQ usage to comply with SLI4 Specification.
- Expand the driver to check the rn bit. Only detect an error if the error bit
  is set and the RN bit is NOT set.
- If mailbox completion code is not success AND the mailbox status is success,
  then and only then will the driver overwrite the mailbox status.
- When driver initializing device, if the device is on a PCIe bus, set
  PCI's "needs fundamental reset" bit so that EEH uses fundamental reset
  instead of hot reset for recovery.
- Prevent driver from using new WWN when changed in firmware (until driver
  reload)
- When HBA reports maximum SGE size > 0xffffffff (infinite), override
  with 0x80000000.
- Fixed potential missed SLI4 device initialization failure conditions.
- Added 100ms delay before driver action following IF_TYPE_2 function reset.
- Reverted patch to UNREG/REG on PLOGI to mapped/unmapped node.
- Add a check for the CVL received flag in the fcf inuse routine to avoid
  unregistering the fcf if Devloss fires before Delay discover timer fires.

Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:35 -05:00
Dave Jiang 1ca1e43e55 [SCSI] libsas: Add option for SATA soft reset
This allows a libsas driver to optionally provide a soft reset handler
for libata to drive.  The isci driver allows software to control the
assertion/deassertion of SRST.

[jejb: checkpatch.pl fixes]
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:33 -05:00
Dan Williams 3673f4bf6a [SCSI] libsas: check dev->gone before submitting sata i/o
Head off doomed-to-fail i/o in sas_queuecommand before sending it down
the ata path.

Before:
sd 7:0:0:0: [sdd] Synchronizing SCSI cache
ata8: no sense translation for status: 0x00
ata8: translated ATA stat/err 0x00/00 to SCSI SK/ASC/ASCQ 0xb/00/00
ata8.00: device reported invalid CHS sector 0
ata8: status=0x00 { }
ata8: no sense translation for status: 0x00
ata8: translated ATA stat/err 0x00/00 to SCSI SK/ASC/ASCQ 0xb/00/00
ata8.00: device reported invalid CHS sector 0
ata8: status=0x00 { }
ata8: no sense translation for status: 0x00
ata8: translated ATA stat/err 0x00/00 to SCSI SK/ASC/ASCQ 0xb/00/00
ata8.00: device reported invalid CHS sector 0
ata8: status=0x00 { }
sd 7:0:0:0: [sdd]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 7:0:0:0: [sdd]  Sense Key : Aborted Command [current] [descriptor]
sd 7:0:0:0: [sdd]  Add. Sense: No additional sense information
sd 7:0:0:0: [sdd] Stopping disk

After:
sd 9:0:0:0: [sdd] Synchronizing SCSI cache
sd 9:0:0:0: [sdd]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 9:0:0:0: [sdd] Stopping disk
sd 9:0:0:0: [sdd] START_STOP FAILED
sd 9:0:0:0: [sdd]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK

This is a cosmetic change as sata i/o can still leak to a gone device,
but this addresses the nominal hotplug case when releasing the target.

Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:33 -05:00
Dan Williams 90f1e10d08 [SCSI] libsas: fix/amend device gone notification in sas_deform_port()
Commit 56dd2c06 "libsas: Don't issue commands to devices that have been
hot-removed" edited Darrick's original patch to remove setting 'gone' in
the sas_deform_port() path because that prevented scsi sync cache
commands from being issued when the driver was unloaded.  However, this
allows true device gone notifications (as signaled port phy events) to
trigger sync cache commands to devices that are known to be unreachable.

Teach libsas which sas_deform_port() invocations are likely device gone
events.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>
2011-05-26 22:49:32 -05:00
Axel Lin 80b4037033 spi/tle620x: add missing device_remove_file()
This patch includes below fixes:
1. Add missing device_remove_file for dev_attr_status_show in tle62x0_remove.
2. Fix tle62x0_probe error handling:
   Currently, if the error happens when ptr > 0, gpio_attrs[0] is not
   properly remove.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 21:30:25 -06:00
Clifton Barnes 275ac74629 w1: add Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC support
Add support for the Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC.

It was suggested to combine this functionality with the current ds2782
driver.  Unfortunately, I'm unable to commit the time to refactoring this
driver to that extent and I don't have a platform with the ds2782 part to
validate that there are no regression issues by adding this functionality.

[akpm@linux-foundation.org: use min_t()]
Signed-off-by: Clifton Barnes <cabarnes@indesign-llc.com>
Tested-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:38 -07:00
David Fries 963bb10101 w1: have netlink search update kernel list
Reorganize so the netlink connector one wire search command will update
the kernel list of detected slave devices.  Otherwise, a newly detected
device is unusable because unless it's in the kernel list of known devices
any commands will result in ENODEV status.

Signed-off-by: David Fries <David@Fries.net>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:38 -07:00
Jean-François Dagenais 26a6afb917 w1: complete the 1-wire (w1) ds1wm driver search algorithm
This adds multi-slave support of the w1 bus for the ds1wm Synthesizable
1-Wire Bus Master.  Also many fixes and tweaks based on the rev3 of the
datasheet http://datasheets.maxim-ic.com/en/ds/DS1WM.pdf

Signed-off-by: Jean-François Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
Cc: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:38 -07:00
Jean-François Dagenais 89610274bd w1: add 1-wire (w1) DS2408 8-Channel Addressable Switch support
This DS2408 w1 slave driver is not complete for all the features of the
chip, but its sufficient if you use it as a simple IO expander.

[randy.dunlap@oracle.com: fix w1_ds2408.c printk formats]
Signed-off-by: Jean-François Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
Cc: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:38 -07:00
Jean-François Dagenais 67dfd54c2d w1: add 1-wire (w1) reset and resume command API support
The first patch adds generic functionnality to w1_io for Resume Command
[A5h] lots of slaves support.  I found it useful for multi-commands/reset
workflows with the same slave on a multi-slave bus.

This DS2408 w1 slave driver is not complete for all the features of the
chip, but its sufficient if you use it as a simple IO expander.  Enjoy!

The ds1wm had Kconfig dependencies towards ARM && HAVE_CLK.  I took them
out since I was using the ds1wm on an x86_64 platform (ds1wm in a FPGA
through pcie) and found them irrelevant.

The clock freq/divisors at the top of ds1wm.c did not have the MSB set to
1.  This bit is CLK_EN which turns the whole prescaler and dividers on.
The driver never mentionned this bit either, so I just included this bit
right in the table entries.  I also took the liberty to add a couple of
entries to the table.  The spec doesn't explicitely mentions these
possibilities but the description and examination of the core shows the
prescalers & dividers can be used for more than the table explicitely
shows.  The table I enlarged still doesn't cover all possibilities, but
it's a good start.

I also made a few tweaks to a couple of the read and write algorithms
which made sense while I had my head very deep in the ds1wm documentation.
 We stressed it a lot with 10+ slaves on the bus, many ds2408, ds2431 and
ds2433 at the same time doing extensive interaction.  It proved quite
stable in our production environment.

This patch:

Add generic functionnality to w1_io for Resume Command [A5h] lots of
slaves support.

Signed-off-by: Jean-François Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
Cc: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:38 -07:00
Julia Lawall d98808a253 drivers/char/ppdev.c: put gotten port value
parport_find_number() calls parport_get_port() on its result, so there
should be a corresponding call to parport_put_port() before dropping the
reference.  Similar code is found in the function register_device() in the
same file.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

  // <smpl>
  @exists@
  local idexpression struct parport * x;
  expression ra,rr;
  statement S1,S2;
  @@

  x = parport_find_number(...)
  ... when != x = rr
      when any
      when != parport_put_port(x,...)
      when != if (...) { ... parport_put_port(x,...) ...}
  (
  if(<+...x...+>) S1 else S2
  |
  if(...) { ... when != x = ra
       when forall
       when != parport_put_port(x,...)
  *return...;
  }
  )
  // </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:37 -07:00
Lai Jiangshan e2e7709876 edac,rcu: use synchronize_rcu() instead of call_rcu()+rcu_barrier()
synchronize_rcu() does the stuff as needed.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:37 -07:00
Rakib Mullick 658c74cf3c drivers/char/mspec.c: use {k,v}zalloc to allocate memory
Let memory allocator initialize the allocated memory as null, thus remove
the use of memset.

Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:37 -07:00
Alexey Dobriyan 074127367a ipmi: convert to seq_file interface
The ->read_proc interface is going away, convert to seq_file.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc:Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:37 -07:00
Mike Frysinger 63ab25ebbc kgdbts: unify/generalize gdb breakpoint adjustment
The Blackfin arch, like the x86 arch, needs to adjust the PC manually
after a breakpoint is hit as normally this is handled by the remote gdb.
However, rather than starting another arch ifdef mess, create a common
GDB_ADJUSTS_BREAK_OFFSET define for any arch to opt-in via their kgdb.h.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Dongdong Deng <dongdong.deng@windriver.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:36 -07:00
Wolfram Sang 9796cc964d drivers/rtc/rtc-mxc.c: remove defines already included in rtc.h
[akpm@linux-foundation.org: retain the code comments]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Alessandro Zummo <alessandro.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Lars-Peter Clausen 3d62b8f59b drivers/rtc/rtc-pcf50633.c: don't request update IRQ
Commit 51ba60c5 ("RTC: Cleanup rtc_class_ops->update_irq_enable()")
removed the only user of the update IRQ, so there is no need to manage it
any more.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Rajeev Kumar 0942a71e43 rtc: add support for spear rtc
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Julia Lawall c258f9a0aa drivers/rtc/rtc-mrst.c: use release_mem_region after request_mem_region
The memory allocated using request_mem_region should be released using
release_mem_region, not release_region.

The semantic patch that fixes part of this problem is as follows:
(http://coccinelle.lip6.fr/)

  // <smpl>
  @@
  expression E1,E2,E3;
  @@

  request_mem_region(E1,E2,E3)
  ...
  ?- release_region(E1,E2)
  + release_mem_region(E1,E2)
  // </smpl>

[akpm@linux-foundation.org: use resource_size()]
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Voss, Nikolaus 74d34d4be6 rtc: add basic support for ST M41T93 SPI RTC
Add basic support for ST m41t93 SPI RTCs.  Tested with factory-new and
with "run-in" species with and without backup batteries.

Signed-off-by: Nikolaus Voss <n.voss@weinmann.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Heiko Schocher 52365230ee rtc: add rv3029c2 RTC support
Add support for the Micro Crystal RV3029-C2 RTC chips.

Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Mike Rapoport ae3551f9ca rtc: add EM3027 rtc driver
Add support for EM Microelectronic EM3027 RTC chip.

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Alexey Charkov f77fbdf952 rtc: add support for the RTC in VIA VT8500 and compatibles
This adds a driver for the RTC devices in VIA and WonderMedia
Systems-on-Chip.  Alarm, 1Hz interrupts, reading and setting time are
supported.

Signed-off-by: Alexey Charkov <alchark@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Alexey Charkov <alchark@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
KOSAKI Motohiro 1e806c50f4 m32r: fix spin_lock_irqsave() misuse
spin_lock_irqsave() requires unsigned long.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:33 -07:00
Andrew Morton ba7328b2d8 drivers/bcma/host_pci.c needs slab.h
alpha allmodconfig:

  drivers/bcma/host_pci.c: In function 'bcma_host_pci_probe':
  drivers/bcma/host_pci.c:102: error: implicit declaration of function 'kzalloc'
  drivers/bcma/host_pci.c:102: warning: assignment makes pointer from integer without a cast

Cc: <zajec5@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:32 -07:00
Andrew Morton 15f82d1b0b drivers/video/mb862xx/mb862xxfbdrv.c needs uaccess.h
alpha allmodconfig:

  drivers/video/mb862xx/mb862xxfbdrv.c: In function 'mb862xxfb_ioctl':
  drivers/video/mb862xx/mb862xxfbdrv.c:323: error: implicit declaration of function 'copy_to_user'
  drivers/video/mb862xx/mb862xxfbdrv.c:327: error: implicit declaration of function 'copy_from_user'

Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-26 17:12:32 -07:00
Dimitri Sivanich 19d78a61be x86: poll waiting for I/OAT DMA channel status
For certain system configurations a 5 usec udelay before checking I/OAT DMA
channel status is sometimes not sufficient, resulting in a false failure
status and unnecessary freeing of channel resources.  Conversely, for many
configurations 5 usec is longer than necessary.

Loop for up to 20 usec waiting for successful status before failing.

Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2011-05-26 17:11:24 -07:00
Kyungmin Park 82ab0f75ee gpio: Move the s5pc100 GPIO to drivers/gpio
Move the Samsung s5pc100 SoC GPIO driver to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:33:41 -06:00
Kyungmin Park 347ec4e47d gpio: Move the s5pv210 GPIO to drivers/gpio
Move the Samsung s5pv210 SoC GPIO driver to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:33:37 -06:00
Kyungmin Park ab48f16137 gpio: Move the exynos4 GPIO to drivers/gpio
Move the Samsung Exynos4 series SoCs GPIO driver to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:32:50 -06:00
Kyungmin Park fed6a02247 gpio: Move to Samsung common GPIO library to drivers/gpio
It's common gpiolib for recent Samsung SoCs. Move to drivers/gpio

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:31:22 -06:00
Rickard Andersson bc6f5cf648 gpio/nomadik: add function to read GPIO pull down status
Signed-off-by: Rickard Andersson <rickard.andersson@stericsson.com>
Reviewed-by: Martin Persson <martin.persson@stericsson.com>
[Split off from larger patch]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:30:18 -06:00
Rabin Vincent 8ea72a30a3 gpio/nomadik: show all pins in debug
Useful to check the status of the runtime pin muxing.

Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Reviewed-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
[Squashed, modified to use chip-internal IRQ trigger state]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:30:18 -06:00
Grant Likely 37d7245764 gpio: move Nomadik GPIO driver to drivers/gpio
This moves the Nomadik GPIO driver out of arch/arm/plat-nomadik
and into the desired location indicated by the subsystem
maintainer.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
[grant.likely: squashed with kconfig fixup]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:30:03 -06:00
Linus Walleij 06caa7ad83 gpio: move U300 GPIO driver to drivers/gpio
This moves the U300 GPIO driver out of arch/arm/mach-u300 and into
the desired location indicated by the subsystem maintainer.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 17:29:33 -06:00
Vinod Koul bc9af76b1e dmaengine: add TODO items for future work on dma drivers
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2011-05-26 14:44:30 -07:00
Kristen Carlson Accardi 7812803a31 langwell_gpio: add runtime pm support
While this is essentially a no-op for this driver, it has the
side effect of letting the PMU driver snoop D3 requests from
the PCI core for this driver.

This is only for langwell, not for whitney point.

Signed-off-by: Kristen Carlson Accardi <kristen@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 14:24:36 -06:00
Linus Torvalds b7c2f03628 Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
  gfs2: Drop __TIME__ usage
  isdn/diva: Drop __TIME__ usage
  atm: Drop __TIME__ usage
  dlm: Drop __TIME__ usage
  wan/pc300: Drop __TIME__ usage
  parport: Drop __TIME__ usage
  hdlcdrv: Drop __TIME__ usage
  baycom: Drop __TIME__ usage
  pmcraid: Drop __DATE__ usage
  edac: Drop __DATE__ usage
  rio: Drop __DATE__ usage
  scsi/wd33c93: Drop __TIME__ usage
  scsi/in2000: Drop __TIME__ usage
  aacraid: Drop __TIME__ usage
  media/cx231xx: Drop __TIME__ usage
  media/radio-maxiradio: Drop __TIME__ usage
  nozomi: Drop __TIME__ usage
  cyclades: Drop __TIME__ usage
2011-05-26 13:19:00 -07:00
Haojian Zhuang 33226ffd07 gpio/pca953x: Add support for pca9574 and pca9575 devices
PCA957x is i2c gpio expander, and similar to PCA953x. Although register
configurations are different between PCA957x and PCA953x. They can share
a lot of components, such as IRQ handling, GPIO IN/OUT. So updating PCA953x
driver to support PCA957x chips.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 13:58:30 -06:00
Ed Wildgoose 073cc4e95a gpio/cs5535: Show explicit dependency between gpio_cs5535 and mfd_cs5535
cs5535-gpio.c has been split into two, with various setup moved
into cs5535-mfd.c.  Given that cs5535-gpio will not load without
the -mfd part, lets make that dependency explicit in Kconfig

Signed-off-by: Ed Wildgoose <kernel@wildgooses.com>
Acked-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2011-05-26 13:54:18 -06:00
Linus Torvalds 8b29336fe0 Merge branch 'gpio/next' of git://git.secretlab.ca/git/linux-2.6
* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
  gpio/via: rename VIA local config struct
  basic_mmio_gpio: split into a gpio library and platform device
  gpio: remove some legacy comments in build files
  gpio: add trace events for setting direction and value
  gpio/pca953x: Use handle_simple_irq instead of handle_edge_irq
  gpiolib: export gpiochip_find
  gpio: remove redundant Kconfig depends on GPIOLIB
  basic_mmio_gpio: convert to non-__raw* accessors
  basic_mmio_gpio: support direction registers
  basic_mmio_gpio: support different input/output registers
  basic_mmio_gpio: detect output method at probe time
  basic_mmio_gpio: request register regions
  basic_mmio_gpio: allow overriding number of gpio
  basic_mmio_gpio: convert to platform_{get,set}_drvdata()
  basic_mmio_gpio: remove runtime width/endianness evaluation
2011-05-26 12:14:41 -07:00
Linus Torvalds 9f1912c48c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (57 commits)
  regulator: Fix 88pm8607.c printk format warning
  input: Add support for Qualcomm PMIC8XXX power key
  input: Add Qualcomm pm8xxx keypad controller driver
  mfd: Add omap-usbhs runtime PM support
  mfd: Fix ASIC3 SD Host Controller Configuration size
  mfd: Fix omap_usbhs_alloc_children error handling
  mfd: Fix omap usbhs crash when rmmoding ehci or ohci
  mfd: Add ASIC3 LED support
  leds: Add ASIC3 LED support
  mfd: Update twl4030-code maintainer e-mail address
  mfd: Correct the name and bitmask for ab8500-gpadc BTempPullUp
  mfd: Add manual ab8500-gpadc batt temp activation for AB8500 3.0
  mfd: Provide ab8500-core enumerators for chip cuts
  mfd: Check twl4030-power remove script error condition after i2cwrite
  mfd: Fix twl6030 irq definitions
  mfd: Add phoenix lite (twl6025) support to twl6030
  mfd: Avoid to use constraint name in 88pm860x regulator driver
  mfd: Remove checking on max8925 regulator[0]
  mfd: Remove unused parameter from 88pm860x API
  mfd: Avoid to allocate 88pm860x static platform data
  ...
2011-05-26 12:14:20 -07:00
Linus Torvalds 4c171acc20 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  RDMA/cma: Save PID of ID's owner
  RDMA/cma: Add support for netlink statistics export
  RDMA/cma: Pass QP type into rdma_create_id()
  RDMA: Update exported headers list
  RDMA/cma: Export enum cma_state in <rdma/rdma_cm.h>
  RDMA/nes: Add a check for strict_strtoul()
  RDMA/cxgb3: Don't post zero-byte read if endpoint is going away
  RDMA/cxgb4: Use completion objects for event blocking
  IB/srp: Fix integer -> pointer cast warnings
  IB: Add devnode methods to cm_class and umad_class
  IB/mad: Return EPROTONOSUPPORT when an RDMA device lacks the QP required
  IB/uverbs: Add devnode method to set path/mode
  RDMA/ucma: Add .nodename/.mode to tell userspace where to create device node
  RDMA: Add netlink infrastructure
  RDMA: Add error handling to ib_core_init()
2011-05-26 12:13:57 -07:00
Linus Torvalds 20e0ec119b Merge branch 'spi/next' of git://git.secretlab.ca/git/linux-2.6
* 'spi/next' of git://git.secretlab.ca/git/linux-2.6:
  spi/amba-pl022: work in polling or interrupt mode if pl022_dma_probe fails
  spi/spi_s3c24xx: Use spi_bitbang_stop instead of spi_unregister_master in s3c24xx_spi_remove
  spi/spi_nuc900: Use spi_bitbang_stop instead of spi_unregister_master in nuc900_spi_remove
  spi/spi_tegra: use spi_unregister_master() instead of spi_master_put()
  spi/spi_sh: use spi_unregister_master instead of spi_master_put in remove path
  spi: Use void pointers for data in simple SPI I/O operations
  spi/pl022: use cpu_relax in the busy loop
  spi/pl022: mark driver non-experimental
  spi/pl022: timeout on polled transfer v2
  spi/dw_spi: improve the interrupt mode with the batch ops
  spi/dw_spi: change poll mode transfer from byte ops to batch ops
  spi/dw_spi: remove the un-necessary flush()
  spi/dw_spi: unify the low level read/write routines
2011-05-26 12:13:22 -07:00
Linus Torvalds 829ae27329 Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (33 commits)
  OMAP3: PM: Boot message is not an error, and not helpful, remove it
  OMAP3: cpuidle: change the power domains modes determination logic
  OMAP3: cpuidle: code rework for improved readability
  OMAP3: cpuidle: re-organize the C-states data
  OMAP3: clean-up mach specific cpuidle data structures
  OMAP3 cpuidle: remove useless SDP specific timings
  usb: otg: OMAP4430: Powerdown the internal PHY when USB is disabled
  usb: otg: OMAP4430: Fixing the omap4430_phy_init function
  usb: musb: am35x: fix compile error when building am35x
  usb: musb: OMAP4430: Power down the PHY during board init
  omap: drop board-igep0030.c
  omap: igep0020: add support for IGEP3
  omap: igep0020: minor refactoring
  omap: igep0020: name refactoring for future merge with IGEP3
  omap: Remove support for omap2evm
  arm: omap2plus: GPIO cleanup
  omap: musb: introduce default board config
  omap: move detection of NAND CS to common-board-devices
  omap: use common initialization for PMIC i2c bus
  omap: consolidate touch screen initialization among different boards
  ...
2011-05-26 12:11:54 -07:00
Namhyung Kim 8892cbaf68 brd: export module parameters
Export 'rd_nr', 'rd_size' and 'max_part' parameters to sysfs so user can
know that how many devices are allowed, how big each device is and how
many partitions are supported. If 'max_part' is 0, it means simply the
device doesn't support partitioning.

Also note that 'max_part' can be adjusted to power of 2 minus 1 form if
needed. User should check this value after the module loading if he/she
want to use that number correctly (i.e. fdisk, mknod, etc.).

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-26 21:06:50 +02:00
Namhyung Kim 13868b76ab brd: fix comment on initial device creation
If 'rd_nr' param was not specified, 16 (can be adjusted via
CONFIG_BLK_DEV_RAM_COUNT) devices would be created by default
but comment said 1. Fix it.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-26 21:06:50 +02:00
Namhyung Kim af46566885 brd: handle on-demand devices correctly
When finding or allocating a ram disk device, brd_probe() did not take
partition numbers into account so that it can result to a different
device. Consider following example (I set CONFIG_BLK_DEV_RAM_COUNT=4
for simplicity) :

$ sudo modprobe brd max_part=15
$ ls -l /dev/ram*
brw-rw---- 1 root disk 1,  0 2011-05-25 15:41 /dev/ram0
brw-rw---- 1 root disk 1, 16 2011-05-25 15:41 /dev/ram1
brw-rw---- 1 root disk 1, 32 2011-05-25 15:41 /dev/ram2
brw-rw---- 1 root disk 1, 48 2011-05-25 15:41 /dev/ram3
$ sudo mknod /dev/ram4 b 1 64
$ sudo dd if=/dev/zero of=/dev/ram4 bs=4k count=256
256+0 records in
256+0 records out
1048576 bytes (1.0 MB) copied, 0.00215578 s, 486 MB/s
namhyung@leonhard:linux$ ls -l /dev/ram*
brw-rw---- 1 root disk 1,    0 2011-05-25 15:41 /dev/ram0
brw-rw---- 1 root disk 1,   16 2011-05-25 15:41 /dev/ram1
brw-rw---- 1 root disk 1,   32 2011-05-25 15:41 /dev/ram2
brw-rw---- 1 root disk 1,   48 2011-05-25 15:41 /dev/ram3
brw-r--r-- 1 root root 1,   64 2011-05-25 15:45 /dev/ram4
brw-rw---- 1 root disk 1, 1024 2011-05-25 15:44 /dev/ram64

After this patch, /dev/ram4 - instead of /dev/ram64 - was
accessed correctly.

In addition, 'range' passed to blk_register_region() should
include all range of dev_t that RAMDISK_MAJOR can address.
It does not need to be limited by partition numbers unless
'rd_nr' param was specified.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Laurent Vivier <Laurent.Vivier@bull.net>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-26 21:06:50 +02:00
Namhyung Kim 315980c868 brd: limit 'max_part' module param to DISK_MAX_PARTS
The 'max_part' parameter controls the number of maximum partition
a brd device can have. However if a user specifies very large
value it would exceed the limitation of device minor number and
can cause a kernel panic (or, at least, produce invalid device
nodes in some cases).

On my desktop system, following command kills the kernel. On qemu,
it triggers similar oops but the kernel was alive:

$ sudo modprobe brd max_part=100000
 BUG: unable to handle kernel NULL pointer dereference at 0000000000000058
 IP: [<ffffffff81110a9a>] sysfs_create_dir+0x2d/0xae
 PGD 7af1067 PUD 7b19067 PMD 0
 Oops: 0000 [#1] SMP
 last sysfs file:
 CPU 0
 Modules linked in: brd(+)

 Pid: 44, comm: insmod Tainted: G        W   2.6.39-qemu+ #158 Bochs Bochs
 RIP: 0010:[<ffffffff81110a9a>]  [<ffffffff81110a9a>] sysfs_create_dir+0x2d/0xae
 RSP: 0018:ffff880007b15d78  EFLAGS: 00000286
 RAX: ffff880007b05478 RBX: ffff880007a52760 RCX: ffff880007b15dc8
 RDX: ffff880007a4f900 RSI: ffff880007b15e48 RDI: ffff880007a52760
 RBP: ffff880007b15da8 R08: 0000000000000002 R09: 0000000000000000
 R10: ffff880007b15e48 R11: ffff880007b05478 R12: 0000000000000000
 R13: ffff880007b05478 R14: 0000000000400920 R15: 0000000000000063
 FS:  0000000002160880(0063) GS:ffff880007c00000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 0000000000000058 CR3: 0000000007b1c000 CR4: 00000000000006b0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 0000000000000000 DR7: 0000000000000000
 Process insmod (pid: 44, threadinfo ffff880007b14000, task ffff880007acb980)
 Stack:
  ffff880007b15dc8 ffff880007b05478 ffff880007b15da8 00000000fffffffe
  ffff880007a52760 ffff880007b05478 ffff880007b15de8 ffffffff81143c0a
  0000000000400920 ffff880007a52760 ffff880007b05478 0000000000000000
 Call Trace:
  [<ffffffff81143c0a>] kobject_add_internal+0xdf/0x1a0
  [<ffffffff81143da1>] kobject_add_varg+0x41/0x50
  [<ffffffff81143e6b>] kobject_add+0x64/0x66
  [<ffffffff8113bbe7>] blk_register_queue+0x5f/0xb8
  [<ffffffff81140f72>] add_disk+0xdf/0x289
  [<ffffffffa00040df>] brd_init+0xdf/0x1aa [brd]
  [<ffffffffa0004000>] ? 0xffffffffa0003fff
  [<ffffffffa0004000>] ? 0xffffffffa0003fff
  [<ffffffff8100020a>] do_one_initcall+0x7a/0x12e
  [<ffffffff8108516c>] sys_init_module+0x9c/0x1dc
  [<ffffffff812ff4bb>] system_call_fastpath+0x16/0x1b
 Code: 89 e5 41 55 41 54 53 48 89 fb 48 83 ec 18 48 85 ff 75 04 0f 0b eb fe 48 8b 47 18 49 c7 c4 70 1e 4d 81 48 85 c0 74 04 4c 8b 60 30
  8b 44 24 58 45 31 ed 0f b6 c4 85 c0 74 0d 48 8b 43 28 48 89
 RIP  [<ffffffff81110a9a>] sysfs_create_dir+0x2d/0xae
  RSP <ffff880007b15d78>
 CR2: 0000000000000058
 ---[ end trace aebb1175ce1f6739 ]---

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Laurent Vivier <Laurent.Vivier@bull.net>
Cc: stable@kernel.org
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-26 21:06:50 +02:00
Namhyung Kim a2cba2913c brd: get rid of unused members from struct brd_device
brd_refcnt, brd_offset, brd_sizelimit and brd_blocksize in struct
brd_device seem to be copied from struct loop_device but they're
not used anywhere. Let get rid of them.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2011-05-26 21:06:50 +02:00
Andy Gospodarek 90e62474fd bonding: cleanup module option descriptions
Weiping Pan noticed that the module option description for
xmit_hash_policy was incorrect and was nice enough to post a patch to
fix it.  The text was correct, but created a line over 80 characters and
I would rather not add those.  I realized I could take a few minutes and
clean up all the descriptions and things would look much better.  This
is the result.

Based on patch from Weiping Pan <panweiping3@gmail.com>.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
CC: Weiping Pan <panweiping3@gmail.com>
Reviewed-by: Weiping Pan <panweiping3@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-26 14:57:17 -04:00
Johan Hovold 240b26284a net: davinci_emac: fix dev_err use at probe
Use platform device rather than net device in dev_err calls before net
device has been registered to avoid messages such as

	(null): DaVinci EMAC: Failed to get EMAC clock

Also replace remaining printks in probe with dev_{err,warn}.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-26 14:30:51 -04:00
Linus Torvalds f8d613e2a6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djm/tmem:
  xen: cleancache shim to Xen Transcendent Memory
  ocfs2: add cleancache support
  ext4: add cleancache support
  btrfs: add cleancache support
  ext3: add cleancache support
  mm/fs: add hooks to support cleancache
  mm: cleancache core ops functions and config
  fs: add field to superblock to support cleancache
  mm/fs: cleancache documentation

Fix up trivial conflict in fs/btrfs/extent_io.c due to includes
2011-05-26 10:50:56 -07:00
Randy Dunlap 099691081d regulator: Fix 88pm8607.c printk format warning
Fix printk format warning (seen on x86_64) and change to unsigned
output format:

drivers/regulator/88pm8607.c:417: warning: format '%d' expects type 'int', but argument 3 has type 'resource_size_t'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:47:29 +02:00
Trilok Soni 92d57a73e4 input: Add support for Qualcomm PMIC8XXX power key
Add support for PMIC8XXX power key driven over dedicated
KYPD_PWR_N pin.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:54 +02:00
Trilok Soni 39325b59d8 input: Add Qualcomm pm8xxx keypad controller driver
Add Qualcomm PMIC8XXX based keypad controller driver
supporting upto 18x8 matrix configuration.

Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Trilok Soni <tsoni@codeaurora.org>
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:53 +02:00
Keshava Munegowda 7e6502d577 mfd: Add omap-usbhs runtime PM support
The usbhs core driver does not enable/disable the interface and
functional clocks; These clocks are handled by hwmod and runtime pm,
hence insted of the clock enable/disable, the runtime pm APIS are
used. however,the port clocks and tll clocks are handled
by the usbhs core.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:52 +02:00
Paul Parsons 74e32d1b68 mfd: Fix ASIC3 SD Host Controller Configuration size
The size of the TC6380AF SD Host Controller Configuration area is 0x200 bytes (assuming registers are aligned on 32-bit boundaries), not 0x400 bytes. Source: Toshiba TC6380AF Specification sections 4.2 and 4.3.1

Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:51 +02:00
Axel Lin d910774f13 mfd: Fix omap_usbhs_alloc_children error handling
1. Return proper error if omap_usbhs_alloc_child fails
2. In the case of goto err_ehci, we should call platform_device_unregister(ehci)
   instead of platform_device_put(ehci) because we have already added the
   platform device to device hierarchy.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Tested-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:50 +02:00
Keshava Munegowda 6eb6fbbf3e mfd: Fix omap usbhs crash when rmmoding ehci or ohci
The disabling of clocks and freeing GPIO are changed
to fix the occurrence of the crash of rmmod of ehci and ohci
drivers. The GPIOs should be freed after the spin locks are
unlocked.

Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: stable@kernel.org
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:49 +02:00
Paul Parsons 13ca4f6610 mfd: Add ASIC3 LED support
Add LED support for the HTC ASIC3. Underlying support is provided by the mfd/asic3 and leds/leds-asic3 drivers. An example configuration is provided by the pxa/hx4700 platform.

Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:47 +02:00
Paul Parsons 7d9e7e9fbd leds: Add ASIC3 LED support
Add LED support for the HTC ASIC3. Underlying support is provided by the mfd/asic3 and leds/leds-asic3 drivers. An example configuration is provided by the pxa/hx4700 platform.

Signed-off-by: Paul Parsons <lost.distance@yahoo.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2011-05-26 19:45:46 +02:00