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gpio fixes for v6.16-rc6

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- fix performance regression when setting values of multiple GPIO lines
   at once
 - make sure the GPIO OF xlate code doesn't end up passing an
   uninitialized local variable to GPIO core
 - update MAINTAINERS
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Merge tag 'gpio-fixes-for-v6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix performance regression when setting values of multiple GPIO lines
   at once

 - make sure the GPIO OF xlate code doesn't end up passing an
   uninitialized local variable to GPIO core

 - update MAINTAINERS

* tag 'gpio-fixes-for-v6.16-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  MAINTAINERS: remove bouncing address for Nandor Han
  gpio: of: initialize local variable passed to the .of_xlate() callback
  gpiolib: fix performance regression when using gpio_chip_get_multiple()
This commit is contained in:
Linus Torvalds 2025-07-11 10:15:50 -07:00
commit 5265593a28
3 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
MAINTAINERS
View File

@ -27308,13 +27308,6 @@ S: Supported
W: http://www.marvell.com
F: drivers/i2c/busses/i2c-xlp9xx.c
XRA1403 GPIO EXPANDER
M: Nandor Han <nandor.han@ge.com>
L: linux-gpio@vger.kernel.org
S: Maintained
F: Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
F: drivers/gpio/gpio-xra1403.c
XTENSA XTFPGA PLATFORM SUPPORT
M: Max Filippov <jcmvbkbc@gmail.com>
S: Maintained

2
drivers/gpio/gpiolib-of.c
View File

@ -708,7 +708,7 @@ struct gpio_desc *of_find_gpio(struct device_node *np, const char *con_id,
unsigned int idx, unsigned long *flags)
{
char propname[32]; /* 32 is max size of property name */
enum of_gpio_flags of_flags;
enum of_gpio_flags of_flags = 0;
const of_find_gpio_quirk *q;
struct gpio_desc *desc;

5
drivers/gpio/gpiolib.c
View File

@ -3297,14 +3297,15 @@ static int gpiod_get_raw_value_commit(const struct gpio_desc *desc)
static int gpio_chip_get_multiple(struct gpio_chip *gc,
unsigned long *mask, unsigned long *bits)
{
int ret;
lockdep_assert_held(&gc->gpiodev->srcu);
if (gc->get_multiple) {
int ret;
ret = gc->get_multiple(gc, mask, bits);
if (ret > 0)
return -EBADE;
return ret;
}
if (gc->get) {