[PATCH v8 09/16] rtc: ingenic: Simplify using devm_clk_get_enabled()

Uwe Kleine-König
2022-03-14T14:17:17Z

With devm_clk_get_enabled() caring to disable (and unprepare) the clock,
the probe function can be simplified accordingly.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/rtc/rtc-jz4740.c | 21 ++-------------------
1 file changed, 2 insertions(+), 19 deletions(-)

diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 6e51df72fd65..9b7bb6ce93ee 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -257,11 +257,6 @@ static void jz4740_rtc_power_off(void)
kernel_halt();
}

-static void jz4740_rtc_clk_disable(void *data)
-{
- clk_disable_unprepare(data);
-}
-
static const struct of_device_id jz4740_rtc_of_match[] = {
{ .compatible = "ingenic,jz4740-rtc", .data = (void *)ID_JZ4740 },
{ .compatible = "ingenic,jz4760-rtc", .data = (void *)ID_JZ4760 },
@@ -329,24 +324,12 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
if (IS_ERR(rtc->base))
return PTR_ERR(rtc->base);

- clk = devm_clk_get(dev, "rtc");
+ clk = devm_clk_get_enabled(dev, "rtc");
if (IS_ERR(clk)) {
- dev_err(dev, "Failed to get RTC clock\n");
+ dev_err(dev, "Failed to get enabled RTC clock\n");
return PTR_ERR(clk);
}

- ret = clk_prepare_enable(clk);
- if (ret) {
- dev_err(dev, "Failed to enable clock\n");
- return ret;
- }
-
- ret = devm_add_action_or_reset(dev, jz4740_rtc_clk_disable, clk);
- if (ret) {
- dev_err(dev, "Failed to register devm action\n");
- return ret;
- }
-
spin_lock_init(&rtc->lock);

platform_set_drvdata(pdev, rtc);
--
2.35.1