mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 22:47:56 +00:00
81 lines
2.5 KiB
Diff
81 lines
2.5 KiB
Diff
|
From d765936e530124d438ae5b265891d1280097455d Mon Sep 17 00:00:00 2001
|
||
|
|
From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
|
||
|
|
Date: Fri, 29 Sep 2023 18:19:09 +0200
|
||
|
|
Subject: [PATCH 0936/1085] pwm: bcm2835: Simplify using devm functions
|
||
|
|
MIME-Version: 1.0
|
||
|
|
Content-Type: text/plain; charset=UTF-8
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
commit 2ce7b7f6704c9a8040fb12eb2b682986d9129e68 upstream.
|
||
|
|
|
||
|
|
With devm_clk_get_enabled() the call to clk_disable_unprepare() can be
|
||
|
|
dropped from the error path and the remove callback. With
|
||
|
|
devm_pwmchip_add() pwmchip_remove() can be dropped. Then the remove
|
||
|
|
callback is empty and can go away, too. With bcm2835_pwm_remove() the only
|
||
|
|
user of platform_get_drvdata() is gone and so platform_set_drvdata() can
|
||
|
|
be dropped from .probe(), too.
|
||
|
|
|
||
|
|
Also use dev_err_probe() for simplified (and improved) error reporting.
|
||
|
|
|
||
|
|
Link: https://lore.kernel.org/r/20230929161918.2410424-3-u.kleine-koenig@pengutronix.de
|
||
|
|
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
|
||
|
|
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
|
||
|
|
---
|
||
|
|
drivers/pwm/pwm-bcm2835.c | 27 ++++-----------------------
|
||
|
|
1 file changed, 4 insertions(+), 23 deletions(-)
|
||
|
|
|
||
|
|
--- a/drivers/pwm/pwm-bcm2835.c
|
||
|
|
+++ b/drivers/pwm/pwm-bcm2835.c
|
||
|
|
@@ -147,39 +147,21 @@ static int bcm2835_pwm_probe(struct plat
|
||
|
|
if (IS_ERR(pc->base))
|
||
|
|
return PTR_ERR(pc->base);
|
||
|
|
|
||
|
|
- pc->clk = devm_clk_get(&pdev->dev, NULL);
|
||
|
|
+ pc->clk = devm_clk_get_enabled(&pdev->dev, NULL);
|
||
|
|
if (IS_ERR(pc->clk))
|
||
|
|
return dev_err_probe(&pdev->dev, PTR_ERR(pc->clk),
|
||
|
|
"clock not found\n");
|
||
|
|
|
||
|
|
- ret = clk_prepare_enable(pc->clk);
|
||
|
|
- if (ret)
|
||
|
|
- return ret;
|
||
|
|
-
|
||
|
|
pc->chip.dev = &pdev->dev;
|
||
|
|
pc->chip.ops = &bcm2835_pwm_ops;
|
||
|
|
pc->chip.npwm = 2;
|
||
|
|
|
||
|
|
- platform_set_drvdata(pdev, pc);
|
||
|
|
-
|
||
|
|
- ret = pwmchip_add(&pc->chip);
|
||
|
|
+ ret = devm_pwmchip_add(&pdev->dev, &pc->chip);
|
||
|
|
if (ret < 0)
|
||
|
|
- goto add_fail;
|
||
|
|
+ return dev_err_probe(&pdev->dev, ret,
|
||
|
|
+ "failed to add pwmchip\n");
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
-
|
||
|
|
-add_fail:
|
||
|
|
- clk_disable_unprepare(pc->clk);
|
||
|
|
- return ret;
|
||
|
|
-}
|
||
|
|
-
|
||
|
|
-static void bcm2835_pwm_remove(struct platform_device *pdev)
|
||
|
|
-{
|
||
|
|
- struct bcm2835_pwm *pc = platform_get_drvdata(pdev);
|
||
|
|
-
|
||
|
|
- pwmchip_remove(&pc->chip);
|
||
|
|
-
|
||
|
|
- clk_disable_unprepare(pc->clk);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id bcm2835_pwm_of_match[] = {
|
||
|
|
@@ -194,7 +176,6 @@ static struct platform_driver bcm2835_pw
|
||
|
|
.of_match_table = bcm2835_pwm_of_match,
|
||
|
|
},
|
||
|
|
.probe = bcm2835_pwm_probe,
|
||
|
|
- .remove_new = bcm2835_pwm_remove,
|
||
|
|
};
|
||
|
|
module_platform_driver(bcm2835_pwm_driver);
|
||
|
|
|