From acf3aca5ca990f63c1e29379fd1362b98883b66b Mon Sep 17 00:00:00 2001 From: Douglas Anderson Date: Fri, 16 Apr 2021 15:39:25 -0700 Subject: [PATCH] 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: Douglas Anderson Reviewed-by: Robert Foss Reviewed-by: Bjorn Andersson Reviewed-by: Stephen Boyd Reviewed-by: Laurent Pinchart Reviewed-by: Andrzej Hajda Link: https://patchwork.freedesktop.org/patch/msgid/20210416153909.v4.2.Ic9c04f960190faad5290738b2a35d73661862735@changeid --- 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 88df4dd..96fe8f2 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) -- 2.7.4