From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Wed, 22 Apr 2020 11:06:53 +0000 (+0300)
Subject: gpio: dwapb: Get rid of unnecessary conjunction over 32-bit value
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~2017^2~32
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=1afbc80c3d2b7831ec2027938876ebffbfd20abb;p=linux.git

gpio: dwapb: Get rid of unnecessary conjunction over 32-bit value

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.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Cc: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20200422110654.23442-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
index 31d29ec6ab5c..9d8476afaba3 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);