diff options
| author | Jassi Brar <jassi.brar@samsung.com> | 2010-01-20 23:49:44 +0300 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-20 23:49:44 +0300 |
| commit | ee64a37732c23ab2bcef5fe7785fd237a7e38951 (patch) | |
| tree | ca004dc2263b7633f934e2290c551857df9645fa /drivers/spi | |
| parent | ad7de729c60380a48844f885f37451158169c50d (diff) | |
| download | linux-ee64a37732c23ab2bcef5fe7785fd237a7e38951.tar.xz | |
spi/s3c64xx: Differentiate ip and rate clock
The instance of SPI clock for controller and that used for generating
signals ought to be independently handled.
Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi_s3c64xx.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/spi/spi_s3c64xx.c b/drivers/spi/spi_s3c64xx.c index ad93d5d8539c..6d03d8f2de6d 100644 --- a/drivers/spi/spi_s3c64xx.c +++ b/drivers/spi/spi_s3c64xx.c @@ -1000,10 +1000,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) goto err4; } - if (sci->src_clk_nr == S3C64XX_SPI_SRCCLK_PCLK) - sci->src_clk = sdd->clk; - else - sci->src_clk = clk_get(&pdev->dev, sci->src_clk_name); + sci->src_clk = clk_get(&pdev->dev, sci->src_clk_name); if (IS_ERR(sci->src_clk)) { dev_err(&pdev->dev, "Unable to acquire clock '%s'\n", sci->src_clk_name); @@ -1011,7 +1008,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) goto err5; } - if (sci->src_clk != sdd->clk && clk_enable(sci->src_clk)) { + if (clk_enable(sci->src_clk)) { dev_err(&pdev->dev, "Couldn't enable clock '%s'\n", sci->src_clk_name); ret = -EBUSY; @@ -1053,11 +1050,9 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) err8: destroy_workqueue(sdd->workqueue); err7: - if (sci->src_clk != sdd->clk) - clk_disable(sci->src_clk); + clk_disable(sci->src_clk); err6: - if (sci->src_clk != sdd->clk) - clk_put(sci->src_clk); + clk_put(sci->src_clk); err5: clk_disable(sdd->clk); err4: @@ -1093,11 +1088,8 @@ static int s3c64xx_spi_remove(struct platform_device *pdev) destroy_workqueue(sdd->workqueue); - if (sci->src_clk != sdd->clk) - clk_disable(sci->src_clk); - - if (sci->src_clk != sdd->clk) - clk_put(sci->src_clk); + clk_disable(sci->src_clk); + clk_put(sci->src_clk); clk_disable(sdd->clk); clk_put(sdd->clk); @@ -1130,9 +1122,7 @@ static int s3c64xx_spi_suspend(struct platform_device *pdev, pm_message_t state) msleep(10); /* Disable the clock */ - if (sci->src_clk != sdd->clk) - clk_disable(sci->src_clk); - + clk_disable(sci->src_clk); clk_disable(sdd->clk); sdd->cur_speed = 0; /* Output Clock is stopped */ @@ -1150,9 +1140,7 @@ static int s3c64xx_spi_resume(struct platform_device *pdev) sci->cfg_gpio(pdev); /* Enable the clock */ - if (sci->src_clk != sdd->clk) - clk_enable(sci->src_clk); - + clk_enable(sci->src_clk); clk_enable(sdd->clk); s3c64xx_spi_hwinit(sdd, pdev->id); |