AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

spi/s3c64xx: Differentiate ip and rate clock

Browse Source 
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>
This commit is contained in:
Jassi Brar 2010-01-20 13:49:44 -07:00 committed by Grant Likely
parent ad7de729c6
commit ee64a37732
1 changed files with 8 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/spi/spi_s3c64xx.c
View File

@ -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);