On 01.08.2017 15:23, Philippe CORNU wrote:
> Based on patch "Convert drivers to explicit reset API" from Philipp Zabel
>
> Commit a53e35db70d1 ("reset: Ensure drivers are explicit when requesting
> reset lines") started to transition the reset control request API calls
> to explicitly state whether the driver needs exclusive or shared reset
> control behavior. Convert all drivers requesting exclusive resets to the
> explicit API call so the temporary transition helpers can be removed.
>
> No functional changes.
>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Signed-off-by: Philippe CORNU <philippe.cornu@xxxxxx>
> Acked-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 10 +++-------
> 1 file changed, 3 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> index 781340d..4e1f91e 100644
> --- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
> @@ -885,15 +885,11 @@ static int dw_mipi_dsi_bridge_attach(struct drm_bridge *bridge)
> * Note that the reset was not defined in the initial device tree, so
> * we have to be prepared for it not being found.
> */
> - apb_rst = devm_reset_control_get(dev, "apb");
> + apb_rst = devm_reset_control_get_optional_exclusive(dev, "apb");
> if (IS_ERR(apb_rst)) {
> ret = PTR_ERR(apb_rst);
> - if (ret == -ENOENT) {
> - apb_rst = NULL;
> - } else {
> - dev_err(dev, "Unable to get reset control: %d\n", ret);
> - return ERR_PTR(ret);
> - }
> + dev_err(dev, "Unable to get reset control: %d\n", ret);
I think in case of deferred probing it shouldn't be dev_err, but this is
rather suggestion.
> + return ERR_PTR(ret);
return apb_rst;
With this fixed:
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> }
>
> if (apb_rst) {
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