On 08/24/2015 03:05 PM, Peng Fan wrote:
Use devm_* API to simplify driver code.
Signed-off-by: Peng Fan <van.free...@gmail.com>
Cc: Linus Walleij <linus.wall...@linaro.org>
Cc: Alexandre Courbot <gnu...@gmail.com>
---
drivers/gpio/gpiolib.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 6bc612b..f9470b0 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -243,7 +243,8 @@ int gpiochip_add(struct gpio_chip *chip)
int base = chip->base;
struct gpio_desc *descs;
- descs = kcalloc(chip->ngpio, sizeof(descs[0]), GFP_KERNEL);
+ descs = devm_kcalloc(chip->dev, chip->ngpio, sizeof(descs[0]),
+ GFP_KERNEL);
^ above will not work for every one as NOT all GPIO drivers
implemented using dev/drv model, so chip->dev could be not set
(at least it was true when I've checked it last time).
--
regards,
-grygorii
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