From 70d3c92d852fdb36ee17edffc2613c4a0b542a7c Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 8 Jul 2023 08:05:35 +0200 Subject: [PATCH] drm/bridge: tc358767: Use devm_clk_get_enabled() helper The devm_clk_get_enabled() helper: - calls devm_clk_get() - calls clk_prepare_enable() and registers what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids the need of a dedicated function used with devm_add_action_or_reset(). Signed-off-by: Christophe JAILLET Reviewed-by: Andrzej Hajda Signed-off-by: Robert Foss Link: https://patchwork.freedesktop.org/patch/msgid/208a15ce4e01973daf039ad7bc0f9241f650b3af.1672415956.git.christophe.jaillet@wanadoo.fr --- drivers/gpu/drm/bridge/tc358767.c | 25 ++++--------------------- 1 file changed, 4 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 65dc842e31f0..eaa7edb080fa 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -2215,13 +2215,6 @@ static int tc_probe_bridge_endpoint(struct tc_data *tc) return -EINVAL; } -static void tc_clk_disable(void *data) -{ - struct clk *refclk = data; - - clk_disable_unprepare(refclk); -} - static int tc_probe(struct i2c_client *client) { struct device *dev = &client->dev; @@ -2238,20 +2231,10 @@ static int tc_probe(struct i2c_client *client) if (ret) return ret; - tc->refclk = devm_clk_get(dev, "ref"); - if (IS_ERR(tc->refclk)) { - ret = PTR_ERR(tc->refclk); - dev_err(dev, "Failed to get refclk: %d\n", ret); - return ret; - } - - ret = clk_prepare_enable(tc->refclk); - if (ret) - return ret; - - ret = devm_add_action_or_reset(dev, tc_clk_disable, tc->refclk); - if (ret) - return ret; + tc->refclk = devm_clk_get_enabled(dev, "ref"); + if (IS_ERR(tc->refclk)) + return dev_err_probe(dev, PTR_ERR(tc->refclk), + "Failed to get and enable the ref clk\n"); /* tRSTW = 100 cycles , at 13 MHz that is ~7.69 us */ usleep_range(10, 15);