diff options
| author |   Bartosz Golaszewski <brgl@bgdev.pl> | 2022-04-13 16:01:32 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <brgl@bgdev.pl> | 2022-04-14 10:29:20 +0200 |
| commit | 3836c73e6a2585561af928c6641d74528a8bdfa4 (patch) | |
| tree | a6423c457a4f37915cb65672ca44761e9977dcfa /drivers/gpio | |
| parent | Linux 5.18-rc2 (diff) | |
| download | wireguard-linux-3836c73e6a2585561af928c6641d74528a8bdfa4.tar.xz wireguard-linux-3836c73e6a2585561af928c6641d74528a8bdfa4.zip | |
gpio: sim: fix setting and getting multiple lines
We need to take mask into account in the set/get_multiple() callbacks.
Use bitmap_replace() instead of bitmap_copy().
Fixes: cb8c474e79be ("gpio: sim: new testing module")
Cc: stable@vger.kernel.org
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-sim.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index 8e5d87984a48..41c31b10ae84 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -134,7 +134,7 @@ static int gpio_sim_get_multiple(struct gpio_chip *gc, struct gpio_sim_chip *chip = gpiochip_get_data(gc); mutex_lock(&chip->lock); - bitmap_copy(bits, chip->value_map, gc->ngpio); + bitmap_replace(bits, bits, chip->value_map, mask, gc->ngpio); mutex_unlock(&chip->lock); return 0; @@ -146,7 +146,7 @@ static void gpio_sim_set_multiple(struct gpio_chip *gc, struct gpio_sim_chip *chip = gpiochip_get_data(gc); mutex_lock(&chip->lock); - bitmap_copy(chip->value_map, bits, gc->ngpio); + bitmap_replace(chip->value_map, chip->value_map, bits, mask, gc->ngpio); mutex_unlock(&chip->lock); } |