From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
Oleksij Rempel <linux@rempel-privat.de>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>
Cc: linux-clk@vger.kernel.org, kernel@pengutronix.de,
Andrew Morton <akpm@linux-foundation.org>,
Fabio Estevam <festevam@gmail.com>,
NXP Linux Team <linux-imx@nxp.com>,
linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Wolfram Sang <wsa@kernel.org>,
Oleksij Rempel <o.rempel@pengutronix.de>
Subject: [PATCH v6 RESEND 5/6] i2c: imx: Simplify using devm_clk_get_enabled()
Date: Mon, 10 May 2021 08:17:23 +0200 [thread overview]
Message-ID: <20210510061724.940447-6-u.kleine-koenig@pengutronix.de> (raw)
In-Reply-To: <20210510061724.940447-1-u.kleine-koenig@pengutronix.de>
devm_clk_get_enabled() returns the clk already (prepared and) enabled
and the automatically called cleanup cares for disabling (and
unpreparing). So simplify .probe() and .remove() accordingly.
Acked-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
drivers/i2c/busses/i2c-imx.c | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index b80fdc1f0092..d6594358cf83 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1405,16 +1405,10 @@ static int i2c_imx_probe(struct platform_device *pdev)
ACPI_COMPANION_SET(&i2c_imx->adapter.dev, ACPI_COMPANION(&pdev->dev));
/* Get I2C clock */
- i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
+ i2c_imx->clk = devm_clk_get_enabled(&pdev->dev, NULL);
if (IS_ERR(i2c_imx->clk))
return dev_err_probe(&pdev->dev, PTR_ERR(i2c_imx->clk),
- "can't get I2C clock\n");
-
- ret = clk_prepare_enable(i2c_imx->clk);
- if (ret) {
- dev_err(&pdev->dev, "can't enable I2C clock, ret=%d\n", ret);
- return ret;
- }
+ "can't get prepared I2C clock\n");
/* Init queue */
init_waitqueue_head(&i2c_imx->queue);
@@ -1487,7 +1481,6 @@ static int i2c_imx_probe(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);
- clk_disable_unprepare(i2c_imx->clk);
return ret;
}
@@ -1517,7 +1510,6 @@ static int i2c_imx_remove(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq >= 0)
free_irq(irq, i2c_imx);
- clk_disable_unprepare(i2c_imx->clk);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
--
2.30.2
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next prev parent reply other threads:[~2021-05-10 6:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-10 6:17 [PATCH v6 RESEND 0/6] clk: provide new devm helpers for prepared and enabled clocks Uwe Kleine-König
2021-05-10 6:17 ` [PATCH v6 RESEND 1/6] clk: generalize devm_clk_get() a bit Uwe Kleine-König
2021-05-10 17:02 ` Jonathan Cameron
2021-05-10 17:27 ` Uwe Kleine-König
2021-05-10 6:17 ` [PATCH v6 RESEND 2/6] clk: Provide new devm_clk_helpers for prepared and enabled clocks Uwe Kleine-König
2021-05-10 17:05 ` Jonathan Cameron
2021-05-10 6:17 ` [PATCH v6 RESEND 4/6] rtc: at91sam9: Simplify using devm_clk_get_enabled() Uwe Kleine-König
2021-05-10 6:17 ` Uwe Kleine-König [this message]
2021-05-10 17:07 ` [PATCH v6 RESEND 0/6] clk: provide new devm helpers for prepared and enabled clocks Jonathan Cameron
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