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pinctrl: Return -ENOSYS when system call is not available 

Update the code to use -ENOSYS, which is the correct error code for an
unimplemented system call in U-Boot.

Also we should not check for a missing operations array as this is not
permitted. For now this can be covered by an assert().

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2021-03-25 10:26:11 +13:00
parent d6332d59d2
commit bddac45d04
1 changed files with 6 additions and 4 deletions
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10
drivers/pinctrl/pinctrl-uclass.c
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@ -235,8 +235,9 @@ int pinctrl_gpio_request(struct udevice *dev, unsigned offset)
return ret;
ops = pinctrl_get_ops(pctldev);
if (!ops || !ops->gpio_request_enable)
return -ENOTSUPP;
assert(ops);
if (!ops->gpio_request_enable)
return -ENOSYS;
return ops->gpio_request_enable(pctldev, pin_selector);
}
@ -261,8 +262,9 @@ int pinctrl_gpio_free(struct udevice *dev, unsigned offset)
return ret;
ops = pinctrl_get_ops(pctldev);
if (!ops || !ops->gpio_disable_free)
return -ENOTSUPP;
assert(ops);
if (!ops->gpio_disable_free)
return -ENOSYS;
return ops->gpio_disable_free(pctldev, pin_selector);
}