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spi/s3c64xx: use clk_prepare_enable and clk_disable_unprepare 

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>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Thomas Abraham 2012-10-03 08:30:12 +09:00 committed by Mark Brown
parent ddffeb8c4d
commit 9f667bff0f
1 changed files with 16 additions and 16 deletions
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32
drivers/spi/spi-s3c64xx.c
View File

@ -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);
@ -1302,7 +1302,7 @@ 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;
@ -1317,7 +1317,7 @@ 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;
@ -1361,11 +1361,11 @@ 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:
@ -1393,10 +1393,10 @@ 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)
@ -1417,8 +1417,8 @@ 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);
@ -1440,8 +1440,8 @@ 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);
@ -1457,8 +1457,8 @@ 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;
}
@ -1468,8 +1468,8 @@ 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;
}