[PATCH 2/2] Input: spear-keyboard - Switch to devm_clk_get_prepared()

From: Christophe JAILLET
Date: Thu Jul 25 2024 - 16:49:04 EST


Use devm_clk_get_prepared() in order to remove a clk_unprepare() in an
error handling path of the probe and completely remove the .remove()
function.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
Compile tested only.
---
drivers/input/keyboard/spear-keyboard.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/drivers/input/keyboard/spear-keyboard.c b/drivers/input/keyboard/spear-keyboard.c
index 5d9fc8dc9433..1df4feb8ba01 100644
--- a/drivers/input/keyboard/spear-keyboard.c
+++ b/drivers/input/keyboard/spear-keyboard.c
@@ -222,7 +222,7 @@ static int spear_kbd_probe(struct platform_device *pdev)
if (IS_ERR(kbd->io_base))
return PTR_ERR(kbd->io_base);

- kbd->clk = devm_clk_get(&pdev->dev, NULL);
+ kbd->clk = devm_clk_get_prepared(&pdev->dev, NULL);
if (IS_ERR(kbd->clk))
return PTR_ERR(kbd->clk);

@@ -255,14 +255,9 @@ static int spear_kbd_probe(struct platform_device *pdev)
return error;
}

- error = clk_prepare(kbd->clk);
- if (error)
- return error;
-
error = input_register_device(input_dev);
if (error) {
dev_err(&pdev->dev, "Unable to register keyboard device\n");
- clk_unprepare(kbd->clk);
return error;
}

@@ -272,13 +267,6 @@ static int spear_kbd_probe(struct platform_device *pdev)
return 0;
}

-static void spear_kbd_remove(struct platform_device *pdev)
-{
- struct spear_kbd *kbd = platform_get_drvdata(pdev);
-
- clk_unprepare(kbd->clk);
-}
-
static int spear_kbd_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -372,7 +360,6 @@ MODULE_DEVICE_TABLE(of, spear_kbd_id_table);

static struct platform_driver spear_kbd_driver = {
.probe = spear_kbd_probe,
- .remove_new = spear_kbd_remove,
.driver = {
.name = "keyboard",
.pm = pm_sleep_ptr(&spear_kbd_pm_ops),
--
2.45.2