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* [PATCH] gpio: fix getting nonexclusive gpiods from DT
@ 2019-09-16 13:43 Marco Felsch
  2019-09-17  7:53 ` Bartosz Golaszewski
  0 siblings, 1 reply; 5+ messages in thread
From: Marco Felsch @ 2019-09-16 13:43 UTC (permalink / raw)
  To: linus.walleij, bgolaszewski, m.szyprowski, ckeepax, broonie
  Cc: linux-gpio, kernel

Since commit ec757001c818 ("gpio: Enable nonexclusive gpiods from DT
nodes") we are able to get GPIOD_FLAGS_BIT_NONEXCLUSIVE marked gpios.
Currently the gpiolib uses the wrong flags variable for the check. We
need to check the gpiod_flags instead of the of_gpio_flags else we
return -EBUSY for GPIOD_FLAGS_BIT_NONEXCLUSIVE marked and requested
gpiod's.

Fixes: ec757001c818 gpio: Enable nonexclusive gpiods from DT nodes
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
---
 drivers/gpio/gpiolib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index d9074191edef..e4203c1eb869 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -4303,7 +4303,7 @@ struct gpio_desc *gpiod_get_from_of_node(struct device_node *node,
 	transitory = flags & OF_GPIO_TRANSITORY;
 
 	ret = gpiod_request(desc, label);
-	if (ret == -EBUSY && (flags & GPIOD_FLAGS_BIT_NONEXCLUSIVE))
+	if (ret == -EBUSY && (dflags & GPIOD_FLAGS_BIT_NONEXCLUSIVE))
 		return desc;
 	if (ret)
 		return ERR_PTR(ret);
-- 
2.20.1


^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2019-11-18 11:30 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-09-16 13:43 [PATCH] gpio: fix getting nonexclusive gpiods from DT Marco Felsch
2019-09-17  7:53 ` Bartosz Golaszewski
2019-11-18 10:33   ` Marco Felsch
2019-11-18 10:56     ` Bartosz Golaszewski
2019-11-18 11:29       ` Marco Felsch

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