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x86: pinctrl: Update comment for intel_pinctrl_get_pad()

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Add information about what is returned on error.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2020-07-07 21:32:20 -06:00 committed by Bin Meng
parent 4916f4586e
commit 05516e3d47
1 changed files with 1 additions and 0 deletions
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arch/x86/include/asm/intel_pinctrl.h
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@ -300,6 +300,7 @@ u32 intel_pinctrl_get_config_reg(struct udevice *dev, uint offset);
* @pad: Pad to check
* @devp: Returns pinctrl device containing that pad
* @offsetp: Returns offset of pad within that pinctrl device
* @return 0 if OK, -ENOTBLK if pad number is invalid
*/
int intel_pinctrl_get_pad(uint pad, struct udevice **devp, uint *offsetp);