From: Thomas Abraham <thomas.abraham@linaro.org>
To: spi-devel-general@lists.sourceforge.net
Cc: grant.likely@secretlab.ca, broonie@opensource.wolfsonmicro.com,
kgene.kim@samsung.com, linux-samsung-soc@vger.kernel.org
Subject: [PATCH] spi: s3c64xx: use clk_prepare_enable and clk_disable_unprepare
Date: Wed, 3 Oct 2012 08:30:12 +0900 [thread overview]
Message-ID: <1349220612-2464-1-git-send-email-thomas.abraham@linaro.org> (raw)
Convert clk_enable/clk_disable to clk_prepare_enable/clk_disable_unprepare
calls as required by common clock framework.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
---
drivers/spi/spi-s3c64xx.c | 32 ++++++++++++++++----------------
1 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 9e55c44..9ad7109 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -516,7 +516,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
/* Disable Clock */
if (sdd->port_conf->clk_from_cmu) {
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->src_clk);
} else {
val = readl(regs + S3C64XX_SPI_CLK_CFG);
val &= ~S3C64XX_SPI_ENCLK_ENABLE;
@@ -564,7 +564,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
/* There is half-multiplier before the SPI */
clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
/* Enable Clock */
- clk_enable(sdd->src_clk);
+ clk_prepare_enable(sdd->src_clk);
} else {
/* Configure Clock */
val = readl(regs + S3C64XX_SPI_CLK_CFG);
@@ -1299,7 +1299,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
goto err3;
}
- if (clk_enable(sdd->clk)) {
+ if (clk_prepare_enable(sdd->clk)) {
dev_err(&pdev->dev, "Couldn't enable clock 'spi'\n");
ret = -EBUSY;
goto err4;
@@ -1314,7 +1314,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
goto err5;
}
- if (clk_enable(sdd->src_clk)) {
+ if (clk_prepare_enable(sdd->src_clk)) {
dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", clk_name);
ret = -EBUSY;
goto err6;
@@ -1358,11 +1358,11 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
err8:
free_irq(irq, sdd);
err7:
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->src_clk);
err6:
clk_put(sdd->src_clk);
err5:
- clk_disable(sdd->clk);
+ clk_disable_unprepare(sdd->clk);
err4:
clk_put(sdd->clk);
err3:
@@ -1390,10 +1390,10 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
free_irq(platform_get_irq(pdev, 0), sdd);
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->src_clk);
clk_put(sdd->src_clk);
- clk_disable(sdd->clk);
+ clk_disable_unprepare(sdd->clk);
clk_put(sdd->clk);
if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node)
@@ -1414,8 +1414,8 @@ static int s3c64xx_spi_suspend(struct device *dev)
spi_master_suspend(master);
/* Disable the clock */
- clk_disable(sdd->src_clk);
- clk_disable(sdd->clk);
+ clk_disable_unprepare(sdd->src_clk);
+ clk_disable_unprepare(sdd->clk);
if (!sdd->cntrlr_info->cfg_gpio && dev->of_node)
s3c64xx_spi_dt_gpio_free(sdd);
@@ -1437,8 +1437,8 @@ static int s3c64xx_spi_resume(struct device *dev)
sci->cfg_gpio();
/* Enable the clock */
- clk_enable(sdd->src_clk);
- clk_enable(sdd->clk);
+ clk_prepare_enable(sdd->src_clk);
+ clk_prepare_enable(sdd->clk);
s3c64xx_spi_hwinit(sdd, sdd->port_id);
@@ -1454,8 +1454,8 @@ static int s3c64xx_spi_runtime_suspend(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
- clk_disable(sdd->clk);
- clk_disable(sdd->src_clk);
+ clk_disable_unprepare(sdd->clk);
+ clk_disable_unprepare(sdd->src_clk);
return 0;
}
@@ -1465,8 +1465,8 @@ static int s3c64xx_spi_runtime_resume(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev);
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
- clk_enable(sdd->src_clk);
- clk_enable(sdd->clk);
+ clk_prepare_enable(sdd->src_clk);
+ clk_prepare_enable(sdd->clk);
return 0;
}
--
1.7.4.1
next reply other threads:[~2012-10-02 23:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-02 23:30 Thomas Abraham [this message]
2012-10-17 7:12 ` [PATCH] spi: s3c64xx: use clk_prepare_enable and clk_disable_unprepare Mark Brown
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