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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2023-04-18 22:21:02 +0200
committerThierry Reding <thierry.reding@gmail.com>2023-06-23 15:35:01 +0200
commit55e644b840baf7a884a27be81b7582794f54a808 (patch)
tree9fcac43437458caff8d6c171f1410243071dd260 /drivers/pwm
parent2b8e30b1bd500df67554f1c183caf333de82f8d2 (diff)
pwm: sifive: Simplify using devm_clk_get_prepared()
Instead of preparing the clk after it was requested and unpreparing in .probe()'s error path and .remove(), use devm_clk_get_prepared() which copes for unpreparing automatically. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Emil Renner Berthing <emil.renner.berthing@canonical.com> Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'drivers/pwm')
-rw-r--r--drivers/pwm/pwm-sifive.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index 5b0574f635f6..ae49d67ab2b1 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -244,12 +244,12 @@ static int pwm_sifive_probe(struct platform_device *pdev)
if (IS_ERR(ddata->regs))
return PTR_ERR(ddata->regs);
- ddata->clk = devm_clk_get(dev, NULL);
+ ddata->clk = devm_clk_get_prepared(dev, NULL);
if (IS_ERR(ddata->clk))
return dev_err_probe(dev, PTR_ERR(ddata->clk),
"Unable to find controller clock\n");
- ret = clk_prepare_enable(ddata->clk);
+ ret = clk_enable(ddata->clk);
if (ret) {
dev_err(dev, "failed to enable clock for pwm: %d\n", ret);
return ret;
@@ -308,7 +308,6 @@ disable_clk:
clk_disable(ddata->clk);
--enabled_clks;
}
- clk_unprepare(ddata->clk);
return ret;
}
@@ -327,8 +326,6 @@ static void pwm_sifive_remove(struct platform_device *dev)
if (pwm->state.enabled)
clk_disable(ddata->clk);
}
-
- clk_unprepare(ddata->clk);
}
static const struct of_device_id pwm_sifive_of_match[] = {