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 ---
drivers/gpio/xilinx_gpio.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c index 1e5f3da8d7e8..cccfa7561739 100644 --- a/drivers/gpio/xilinx_gpio.c +++ b/drivers/gpio/xilinx_gpio.c @@ -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; };