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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-07 23:39:21 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-07 23:39:21 +0300
commit9d71941d39fb876271df72394518a98ae079e5a3 (patch)
tree8b90df2efd48475dbdcc866a141293bdf9d5ca8b /drivers/input/keyboard/pxa27x_keypad.c
parentdfd9e6d231e157d2066825ed17852cce822c1f46 (diff)
parenta6cbfa1e6d38c4b3ab0ce7e3aea4bb4e744f24b8 (diff)
downloadlinux-9d71941d39fb876271df72394518a98ae079e5a3.tar.xz
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov: - a new GPIO bit-banging driver implementing PS/2 protocol - a new power key driver for Rockchip RK805 PMIC - bunch of patches constifying various device ID structures - Elan I2C touchpad driver now supports devices with 2 buttons - other assorted fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (76 commits) Input: byd - make array seq static, reduces object code size Input: xilinx_ps2 - fix multiline comment style Input: pxa27x_keypad - handle return value of clk_prepare_enable Input: tegra-kbc - handle return value of clk_prepare_enable Input: PS/2 gpio bit banging driver for serio bus Input: xen-kbdfront - enable auto repeat for xen keyboard frontend driver Input: ambakmi - constify amba_id Input: atmel_mxt_ts - add support for reset line Input: atmel_mxt_ts - use more managed resources Input: wacom_w8001 - constify serio_device_id Input: tsc40 - constify serio_device_id Input: touchwin - constify serio_device_id Input: touchright - constify serio_device_id Input: touchit213 - constify serio_device_id Input: penmount - constify serio_device_id Input: mtouch - constify serio_device_id Input: inexio - constify serio_device_id Input: hampshire - constify serio_device_id Input: gunze - constify serio_device_id Input: fujitsu_ts - constify serio_device_id ...
Diffstat (limited to 'drivers/input/keyboard/pxa27x_keypad.c')
-rw-r--r--drivers/input/keyboard/pxa27x_keypad.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c
index 3841fa30db33..d0bdaeadf86d 100644
--- a/drivers/input/keyboard/pxa27x_keypad.c
+++ b/drivers/input/keyboard/pxa27x_keypad.c
@@ -644,9 +644,12 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad)
static int pxa27x_keypad_open(struct input_dev *dev)
{
struct pxa27x_keypad *keypad = input_get_drvdata(dev);
-
+ int ret;
/* Enable unit clock */
- clk_prepare_enable(keypad->clk);
+ ret = clk_prepare_enable(keypad->clk);
+ if (ret)
+ return ret;
+
pxa27x_keypad_config(keypad);
return 0;
@@ -683,6 +686,7 @@ static int pxa27x_keypad_resume(struct device *dev)
struct platform_device *pdev = to_platform_device(dev);
struct pxa27x_keypad *keypad = platform_get_drvdata(pdev);
struct input_dev *input_dev = keypad->input_dev;
+ int ret = 0;
/*
* If the keypad is used as wake up source, the clock is not turned
@@ -695,14 +699,15 @@ static int pxa27x_keypad_resume(struct device *dev)
if (input_dev->users) {
/* Enable unit clock */
- clk_prepare_enable(keypad->clk);
- pxa27x_keypad_config(keypad);
+ ret = clk_prepare_enable(keypad->clk);
+ if (!ret)
+ pxa27x_keypad_config(keypad);
}
mutex_unlock(&input_dev->mutex);
}
- return 0;
+ return ret;
}
#endif