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authorBartosz Golaszewski <[email protected]>2024-01-24 16:13:51 +0000
committerBartosz Golaszewski <[email protected]>2024-02-12 09:51:03 +0000
commitf4e14d45d7fe95f6c1c136baf9e232234669dfed (patch)
treef3f9999b56db238b3298c7fcf72f36a7865ce8a1 /drivers/gpio/gpiolib-cdev.c
parentgpio: sysfs: pass the GPIO device - not chip - to sysfs callbacks (diff)
downloadkernel-f4e14d45d7fe95f6c1c136baf9e232234669dfed.tar.gz
kernel-f4e14d45d7fe95f6c1c136baf9e232234669dfed.zip
gpio: cdev: replace gpiochip_get_desc() with gpio_device_get_desc()
gpio_device_get_desc() is the safer alternative to gpiochip_get_desc(). As we don't really need to dereference the chip pointer to retrieve the descriptors in character device code, let's use it. Signed-off-by: Bartosz Golaszewski <[email protected]> Reviewed-by: Linus Walleij <[email protected]> Acked-by: Andy Shevchenko <[email protected]>
Diffstat (limited to 'drivers/gpio/gpiolib-cdev.c')
-rw-r--r--drivers/gpio/gpiolib-cdev.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index 3588aaf90e45..8e37e3befa08 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -332,7 +332,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
/* Request each GPIO */
for (i = 0; i < handlereq.lines; i++) {
u32 offset = handlereq.lineoffsets[i];
- struct gpio_desc *desc = gpiochip_get_desc(gdev->chip, offset);
+ struct gpio_desc *desc = gpio_device_get_desc(gdev, offset);
if (IS_ERR(desc)) {
ret = PTR_ERR(desc);
@@ -1739,7 +1739,7 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip)
/* Request each GPIO */
for (i = 0; i < ulr.num_lines; i++) {
u32 offset = ulr.offsets[i];
- struct gpio_desc *desc = gpiochip_get_desc(gdev->chip, offset);
+ struct gpio_desc *desc = gpio_device_get_desc(gdev, offset);
if (IS_ERR(desc)) {
ret = PTR_ERR(desc);
@@ -2123,7 +2123,7 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip)
lflags = eventreq.handleflags;
eflags = eventreq.eventflags;
- desc = gpiochip_get_desc(gdev->chip, offset);
+ desc = gpio_device_get_desc(gdev, offset);
if (IS_ERR(desc))
return PTR_ERR(desc);
@@ -2419,7 +2419,7 @@ static int lineinfo_get_v1(struct gpio_chardev_data *cdev, void __user *ip,
return -EFAULT;
/* this doubles as a range check on line_offset */
- desc = gpiochip_get_desc(cdev->gdev->chip, lineinfo.line_offset);
+ desc = gpio_device_get_desc(cdev->gdev, lineinfo.line_offset);
if (IS_ERR(desc))
return PTR_ERR(desc);
@@ -2456,7 +2456,7 @@ static int lineinfo_get(struct gpio_chardev_data *cdev, void __user *ip,
if (memchr_inv(lineinfo.padding, 0, sizeof(lineinfo.padding)))
return -EINVAL;
- desc = gpiochip_get_desc(cdev->gdev->chip, lineinfo.offset);
+ desc = gpio_device_get_desc(cdev->gdev, lineinfo.offset);
if (IS_ERR(desc))
return PTR_ERR(desc);