linux-gpio.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH v1 1/2] gpio: dwapb: Get rid of unnecessary conjunction over 32-bit value
@ 2020-04-22 11:06 Andy Shevchenko
  2020-04-22 11:06 ` [PATCH v1 2/2] gpio: dwapb: Amend indentation in some cases Andy Shevchenko
                   ` (2 more replies)
  0 siblings, 3 replies; 5+ messages in thread
From: Andy Shevchenko @ 2020-04-22 11:06 UTC (permalink / raw)
  To: Linus Walleij, Bartosz Golaszewski, linux-gpio
  Cc: Andy Shevchenko, Serge Semin

When we mask interrupts before sleep, there is no need to have a conjunction
with 0xffffffff since the accepted by dwapb_write() value is 32-bit.

Cc: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/gpio/gpio-dwapb.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 31d29ec6ab5c3..9d8476afaba3d 100644
--- a/drivers/gpio/gpio-dwapb.c
+++ b/drivers/gpio/gpio-dwapb.c
@@ -743,8 +743,7 @@ static int dwapb_gpio_suspend(struct device *dev)
 			ctx->int_deb	= dwapb_read(gpio, GPIO_PORTA_DEBOUNCE);
 
 			/* Mask out interrupts */
-			dwapb_write(gpio, GPIO_INTMASK,
-				    0xffffffff & ~ctx->wake_en);
+			dwapb_write(gpio, GPIO_INTMASK, ~ctx->wake_en);
 		}
 	}
 	spin_unlock_irqrestore(&gc->bgpio_lock, flags);
-- 
2.26.1


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

end of thread, other threads:[~2020-04-28 12:53 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-04-22 11:06 [PATCH v1 1/2] gpio: dwapb: Get rid of unnecessary conjunction over 32-bit value Andy Shevchenko
2020-04-22 11:06 ` [PATCH v1 2/2] gpio: dwapb: Amend indentation in some cases Andy Shevchenko
2020-04-22 16:32   ` Sergey Semin
2020-04-22 16:28 ` [PATCH v1 1/2] gpio: dwapb: Get rid of unnecessary conjunction over 32-bit value Sergey Semin
2020-04-28 12:53 ` Linus Walleij

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).