[PATCH v2] reset: Return -ENOTSUPP when not configured
Philipp Zabel
p.zabel at pengutronix.de
Tue May 31 23:27:33 PDT 2016
Hi John,
Am Dienstag, den 31.05.2016, 16:55 -0700 schrieb John Youn:
> Prior to commit 6c96f05c8bb8 ("reset: Make [of_]reset_control_get[_foo]
> functions wrappers"), the "optional" functions returned -ENOTSUPP when
> CONFIG_RESET_CONTROLLER was not set.
>
> Revert back to the old behavior by changing the new
> __devm_reset_control_get() and __of_reset_control_get() functions to
> return ERR_PTR(-ENOTSUPP) when compiled without CONFIG_RESET_CONTROLLER.
>
> Otherwise they will return -EINVAL causing users to think that an error
> occurred when CONFIG_RESET_CONTROLLER is not set.
>
> Fixes: 6c96f05c8bb8 ("reset: Make [of_]reset_control_get[_foo] functions wrappers")
> Signed-off-by: John Youn <johnyoun at synopsys.com>
> ---
>
> Hi Philipp,
>
> Here are the changes as discussed previously. It just returns
> -ENOTSUPP directly when not configured. Tested and works with DWC2
> driver with Dinh's patch that adds the reset controller, using a
> configuration with no reset controller configured.
Thank you, I've applied the patch to my reset/next branch.
regards
Philipp
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