Set a value before changing gpio direction. This will ensure that the
old value is not propagated when direction has changed but new value is
not written yet.
Reported-by: Stefan Herbrechtsmeier <ste...@herbrechtsmeier.net>
Signed-off-by: Michal Simek <michal.si...@xilinx.com>
---
drivers/gpio/xilinx_gpio.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c
index 776a147cc8d7..1e5f3da8d7e8 100644
--- a/drivers/gpio/xilinx_gpio.c
+++ b/drivers/gpio/xilinx_gpio.c
@@ -139,14 +139,14 @@ static int xilinx_gpio_direction_output(struct udevice
*dev, unsigned offset,
if (platdata->bank_input[bank])
return -EINVAL;
+ xilinx_gpio_set_value(dev, offset, value);
+
if (!platdata->bank_output[bank]) {
val = readl(&platdata->regs->gpiodir + bank * 2);
val = val & ~(1 << pin);
writel(val, &platdata->regs->gpiodir + bank * 2);
}
- xilinx_gpio_set_value(dev, offset, value);
-
return 0;
}
--
1.9.1
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