[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20240820102006.128840-1-link@vivo.com>
Date: Tue, 20 Aug 2024 18:20:06 +0800
From: Huan Yang <link@...o.com>
To: Pavel Machek <pavel@....cz>,
Lee Jones <lee@...nel.org>,
linux-leds@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com,
Huan Yang <link@...o.com>
Subject: [PATCH] leds: lp55xx: Use devm_clk_get_enabled() helpers
lp55xx lp55xx_is_extclk_used get, enable clk and
deinit_device disable and unprepare it.
This can use a simplifies helper to cover.
Signed-off-by: Huan Yang <link@...o.com>
---
drivers/leds/leds-lp55xx-common.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)
diff --git a/drivers/leds/leds-lp55xx-common.c b/drivers/leds/leds-lp55xx-common.c
index 29e7142dca72..76dc62a3bd45 100644
--- a/drivers/leds/leds-lp55xx-common.c
+++ b/drivers/leds/leds-lp55xx-common.c
@@ -965,21 +965,14 @@ EXPORT_SYMBOL_GPL(lp55xx_update_bits);
bool lp55xx_is_extclk_used(struct lp55xx_chip *chip)
{
struct clk *clk;
- int err;
- clk = devm_clk_get(&chip->cl->dev, "32k_clk");
+ clk = devm_clk_get_enabled(&chip->cl->dev, "32k_clk");
if (IS_ERR(clk))
goto use_internal_clk;
- err = clk_prepare_enable(clk);
- if (err)
+ if (clk_get_rate(clk) != LP55XX_CLK_32K)
goto use_internal_clk;
- if (clk_get_rate(clk) != LP55XX_CLK_32K) {
- clk_disable_unprepare(clk);
- goto use_internal_clk;
- }
-
dev_info(&chip->cl->dev, "%dHz external clock used\n", LP55XX_CLK_32K);
chip->clk = clk;
@@ -995,9 +988,6 @@ static void lp55xx_deinit_device(struct lp55xx_chip *chip)
{
struct lp55xx_platform_data *pdata = chip->pdata;
- if (chip->clk)
- clk_disable_unprepare(chip->clk);
-
if (pdata->enable_gpiod)
gpiod_set_value(pdata->enable_gpiod, 0);
}
--
2.45.2
Powered by blists - more mailing lists