Commit acf3aca5 authored by Douglas Anderson's avatar Douglas Anderson
Browse files

drm/bridge: ti-sn65dsi86: Simplify refclk handling 



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: default avatarDouglas Anderson <dianders@chromium.org>
Reviewed-by: default avatarRobert Foss <robert.foss@linaro.org>
Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: default avatarStephen Boyd <swboyd@chromium.org>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210416153909.v4.2.Ic9c04f960190faad5290738b2a35d73661862735@changeid
parent bab5cca7

drivers/gpu/drm/bridge/ti-sn65dsi86.c

+3 −8
Original line number Diff line number Diff line
@@ -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)