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Sachin Kamat b577cdcf17 pwm: samsung: Fix kernel warning while unexporting a channel ... PWM channel data was set to NULL before freeing it. This caused the following kernel warning while unexporting the channel. Set the channel data to NULL after freeing it. [ 70.495000] WARNING: CPU: 0 PID: 1 at drivers/base/devres.c:805 pwm_put+0x48/0x80() [ 70.505000] Modules linked in: [ 70.505000] CPU: 0 PID: 1 Comm: sh Not tainted 3.12.0-rc6-next-20131024-00012-gd4aec04-dirty #58 [ 70.515000] [<c0014ddc>] (unwind_backtrace+0x0/0xf4) from [<c0011784>] (show_stack+0x10/0x14) [ 70.525000] [<c0011784>] (show_stack+0x10/0x14) from [<c03a3cbc>] (dump_stack+0x7c/0xb0) [ 70.530000] [<c03a3cbc>] (dump_stack+0x7c/0xb0) from [<c001de68>] (warn_slowpath_common+0x6c/0x88) [ 70.540000] [<c001de68>] (warn_slowpath_common+0x6c/0x88) from [<c001df20>] (warn_slowpath_null+0x1c/0x24) [ 70.550000] [<c001df20>] (warn_slowpath_null+0x1c/0x24) from [<c01d1af8>] (pwm_put+0x48/0x80) [ 70.560000] [<c01d1af8>] (pwm_put+0x48/0x80) from [<c01d21c8>] (pwm_unexport_store+0x94/0xac) [ 70.565000] [<c01d21c8>] (pwm_unexport_store+0x94/0xac) from [<c010991c>] (sysfs_write_file+0x148/0x1d8) [ 70.575000] [<c010991c>] (sysfs_write_file+0x148/0x1d8) from [<c00b2a80>] (vfs_write+0xb4/0x1a0) [ 70.585000] [<c00b2a80>] (vfs_write+0xb4/0x1a0) from [<c00b3068>] (SyS_write+0x3c/0x78) [ 70.595000] [<c00b3068>] (SyS_write+0x3c/0x78) from [<c000e2e0>] (ret_fast_syscall+0x0/0x30) Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Reviewed-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>		11 years ago
..
Kconfig	pwm: add ep93xx PWM support	11 years ago
Makefile	pwm: add ep93xx PWM support	11 years ago
core.c	pwm: Use the DT macro directly when parsing PWM DT flags	12 years ago
pwm-ab8500.c	pwm: ab8500: Add .owner to struct pwm_ops	12 years ago
pwm-atmel-tcb.c	pwm: atmel-tcb: fix max time computation for slow clk source	12 years ago
pwm-bfin.c	pwm: Fill in missing .owner fields	12 years ago
pwm-ep93xx.c	pwm: add ep93xx PWM support	11 years ago
pwm-imx.c	pwm: imx: Remove redundant of_match_ptr	12 years ago
pwm-jz4740.c	pwm: remove use of __devexit	12 years ago
pwm-lpc32xx.c	pwm: lpc32xx: Remove redundant of_match_ptr	12 years ago
pwm-mxs.c	pwm: mxs: Remove redundant of_match_ptr	12 years ago
pwm-pca9685.c	pwm: pca9685: Fix wrong argument to set MODE1_SLEEP bit	12 years ago
pwm-puv3.c	pwm: Fill in missing .owner fields	12 years ago
pwm-pxa.c	pwm: pxa: Use module_platform_driver	12 years ago
pwm-renesas-tpu.c	pwm: simplify use of devm_ioremap_resource	12 years ago
pwm-samsung.c	pwm: samsung: Fix kernel warning while unexporting a channel	11 years ago
pwm-spear.c	pwm: simplify use of devm_ioremap_resource	12 years ago
pwm-tegra.c	pwm: Fill in missing .owner fields	12 years ago
pwm-tiecap.c	pwm: don't use devm_pinctrl_get_select_default() in probe	11 years ago
pwm-tiehrpwm.c	pwm: don't use devm_pinctrl_get_select_default() in probe	11 years ago
pwm-tipwmss.c	drivers/pwm: don't check resource with devm_ioremap_resource	12 years ago
pwm-tipwmss.h	pwm: davinci: Add Kconfig support for ECAP & EHRPWM devices	12 years ago
pwm-twl-led.c	pwm: twl-led: Include linux/of.h header	12 years ago
pwm-twl.c	pwm: twl: Include linux/of.h header	12 years ago
pwm-vt8500.c	drivers/pwm: don't check resource with devm_ioremap_resource	12 years ago
sysfs.c	pwm: convert class code to use dev_groups	12 years ago