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3 Commits

Author SHA1 Message Date
Jingoo Han 07606bfc73 gpio: lynxpoint: remove unnecessary platform_set_drvdata() 
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d06310
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2013-05-30 19:20:20 +02:00
Mathias Nyman 977d16b87a gpio-lynxpoint: Add X86 dependency and io-port handling header. 
Lynxpoint gpio driver uses X86 specific io-ports to control gpios

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2013-03-27 16:05:09 +01:00
Mathias Nyman 1d09aaa6a3 gpio/lynxpoint: add chipset gpio driver. 
Add gpio support for Intel Lynxpoint chipset.

Lynxpoint supports 94 gpio pins which can generate interrupts.
Driver will fail requests for pins that are marked as owned by ACPI, or
set in an alternate mode (non-gpio).

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
 2013-02-05 13:33:29 +00:00