brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

gpio: xilinx: Simplify logic in xilinx_gpio_set_value

Browse Source 
There is no reason to do read/write for if/else separately.

Reported-by: Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>
This commit is contained in:
Michal Simek 2018-07-30 14:29:27 +02:00
parent bf2a69de81
commit 642a860412
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpio/xilinx_gpio.c
View File

@ -61,18 +61,17 @@ static int xilinx_gpio_set_value(struct udevice *dev, unsigned offset,
if (ret)
return ret;
val = readl(&platdata->regs->gpiodata + bank * 2);
debug("%s: regs: %lx, value: %x, gpio: %x, bank %x, pin %x\n",
__func__, (ulong)platdata->regs, value, offset, bank, pin);
if (value) {
val = readl(&platdata->regs->gpiodata + bank * 2);
if (value)
val = val | (1 << pin);
writel(val, &platdata->regs->gpiodata + bank * 2);
} else {
val = readl(&platdata->regs->gpiodata + bank * 2);
else
val = val & ~(1 << pin);
writel(val, &platdata->regs->gpiodata + bank * 2);
}
writel(val, &platdata->regs->gpiodata + bank * 2);
return val;
};