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Corey Minyard d307c28ca9 i2c: Allow I2C devices to NAK start events 
Add a return value to the event handler.  Some I2C devices will
NAK if they have no data, so allow them to do this.  This required
the following changes:

Go through all the event handlers and change them to return int
and return 0.

Modify i2c_start_transfer to terminate the transaction on a NAK.

Modify smbus handing to not assert if a NAK occurs on a second
operation, and terminate the transaction and return -1 instead.

Add some information on semantics to I2CSlaveClass.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
 		2017-01-09 11:40:20 +00:00
..
macio ppc: Fix macio ESCC legacy mapping 2016-09-07 12:40:12 +10:00
Makefile.objs ast2400: add a memory controller device model 2016-09-06 19:52:17 +01:00
a9scu.c arm: Clean up includes 2016-01-29 15:07:23 +00:00
applesmc.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
arm11scu.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
arm_integrator_debug.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
arm_l2x0.c hw/misc: QOM'ify arm_l2x0.c 2016-06-14 15:59:14 +01:00
arm_sysctl.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
aspeed_scu.c aspeed/scu: fix SCU region size 2016-12-27 14:59:28 +00:00
aspeed_sdmc.c aspeed: add the definitions for the AST2400 A1 SoC 2016-12-27 14:59:28 +00:00
auxbus.c aux: Rename aux.[ch] to auxbus.[ch] for the benefit of Windows 2016-07-07 13:47:01 +01:00
bcm2835_mbox.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
bcm2835_property.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
cbus.c include/hw/hw.h: Don't include qemu-common.h 2016-03-22 22:20:16 +01:00
debugexit.c x86: Clean up includes 2016-01-29 15:07:22 +00:00
eccmemctl.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
edu.c hw/misc/edu: support MSI interrupt 2016-10-04 10:00:25 +02:00
exynos4210_pmu.c hw/misc: QOM'ify exynos4210_pmu.c 2016-06-14 15:59:14 +01:00
hyperv_testdev.c Move target-* CPU file into a target/ folder 2016-12-20 21:52:12 +01:00
imx6_ccm.c imx: Use 'const char', not 'char const' 2016-09-22 18:13:09 +01:00
imx6_src.c imx: Use 'const char', not 'char const' 2016-09-22 18:13:09 +01:00
imx25_ccm.c imx: Use 'const char', not 'char const' 2016-09-22 18:13:09 +01:00
imx31_ccm.c imx: Use 'const char', not 'char const' 2016-09-22 18:13:09 +01:00
imx_ccm.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
ivshmem.c ivshmem: Fix 64 bit memory bar configuration 2016-11-17 18:39:59 +04:00
max111x.c ssi: change ssi_slave_init to be a realize ops 2016-07-04 13:15:22 +01:00
milkymist-hpdmc.c milkymist: update specification URLs 2016-06-20 18:12:04 +02:00
milkymist-pfpu.c milkymist-pfpu: fix potential integer overflow 2016-10-28 18:17:23 +03:00
mips_cmgcr.c hw/mips_cmgcr: implement RESET_BASE register in CM GCR 2016-07-12 09:10:16 +01:00
mips_cpc.c hw/mips_cpc: make VP correctly start from the reset vector 2016-07-12 09:10:15 +01:00
mips_itu.c cpu: move exec-all.h inclusion out of cpu.h 2016-05-19 16:42:29 +02:00
mst_fpga.c hw/misc: QOM'ify mst_fpga.c 2016-06-14 15:59:14 +01:00
omap_clk.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
omap_gpmc.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
omap_l4.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
omap_sdrc.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
omap_tap.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
pc-testdev.c os-posix: include sys/mman.h 2016-06-16 18:39:03 +02:00
pci-testdev.c dma: do not depend on kvm_enabled() 2016-05-19 16:42:28 +02:00
puv3_pm.c unicore: Clean up includes 2016-01-29 15:07:22 +00:00
pvpanic.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
sga.c x86: Clean up includes 2016-01-29 15:07:22 +00:00
slavio_misc.c hw/misc: Clean up includes 2016-01-29 15:07:24 +00:00
stm32f2xx_syscfg.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
tmp105.c i2c: Allow I2C devices to NAK start events 2017-01-09 11:40:20 +00:00
tmp105.h hw: move private headers to hw/ subdirectories. 2013-04-08 18:13:16 +02:00
trace-events trace-events: fix first line comment in trace-events 2016-08-12 10:36:01 +01:00
vmport.c vmport: identify vmport type by macro TYPE_VMPORT 2016-06-29 14:03:45 +02:00
zynq-xadc.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00
zynq_slcr.c hw: explicitly include qemu/log.h 2016-05-19 16:42:29 +02:00