W dniu 30.03.2021 o 04:53, Douglas Anderson pisze:
> The clock framework makes it simple to deal with an optional clock.
> You can call clk_get_optional() and if the clock isn't specified it'll
> just return NULL without complaint. It's valid to pass NULL to
> enable/disable/prepare/unprepare. Let's make use of this to simplify
> things a tiny bit.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Regards
Andrzej
> ---
>
> Changes in v2:
> - Removed 2nd paragraph in commit message.
>
> drivers/gpu/drm/bridge/ti-sn65dsi86.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> index 88df4dd0f39d..96fe8f2c0ea9 100644
> --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> @@ -1275,14 +1275,9 @@ static int ti_sn_bridge_probe(struct i2c_client *client,
> return ret;
> }
>
> - pdata->refclk = devm_clk_get(pdata->dev, "refclk");
> - if (IS_ERR(pdata->refclk)) {
> - ret = PTR_ERR(pdata->refclk);
> - if (ret == -EPROBE_DEFER)
> - return ret;
> - DRM_DEBUG_KMS("refclk not found\n");
> - pdata->refclk = NULL;
> - }
> + pdata->refclk = devm_clk_get_optional(pdata->dev, "refclk");
> + if (IS_ERR(pdata->refclk))
> + return PTR_ERR(pdata->refclk);
>
> ret = ti_sn_bridge_parse_dsi_host(pdata);
> if (ret)
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