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dm: gpio: Correct use of -ENODEV in drivers

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In U-Boot -ENODEV means that there is no device. When there is a problem
with the device, drivers should return an error like -ENXIO or -EREMOTEIO.
When the device tree properties cannot be read correct , they should
return -EINVAL.

Update various GPIO drivers to follow this rule, to help with consistency
for future driver writers.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reported-by: Adam Ford <aford173@gmail.com>
This commit is contained in:
Simon Glass
2017-09-17 16:54:53 -06:00
parent 4d68604189
commit 7c84319af9
9 changed files with 19 additions and 19 deletions
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2
drivers/gpio/omap_gpio.c
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@@ -307,7 +307,7 @@ static int omap_gpio_bind(struct udevice *dev)
base_addr = devfdt_get_addr(dev);
if (base_addr == FDT_ADDR_T_NONE)
return -ENODEV;
return -EINVAL;
/*
* TODO: