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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-07-19 14:36:19 +0900
committerKukjin Kim <kgene.kim@samsung.com>2012-07-19 14:36:19 +0900
commitb1ec43084d9b53dadae64da00532e1c02444ef2c (patch)
tree8f08bba37ce486ff162a14e3be5fe7376c5d8f99 /drivers
parent707214d097eb505fe067668838ae800260a064ba (diff)
spi/s3c64xx: Convert to devm_request_and_ioremap()
Saves some error handling and a small amount of code. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi-s3c64xx.c18
1 files changed, 1 insertions, 17 deletions
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 9d103163681e..04f947d8d3c7 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1280,14 +1280,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev)
/* the spi->mode bits understood by this driver: */
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
- if (request_mem_region(mem_res->start,
- resource_size(mem_res), pdev->name) == NULL) {
- dev_err(&pdev->dev, "Req mem region failed\n");
- ret = -ENXIO;
- goto err0;
- }
-
- sdd->regs = ioremap(mem_res->start, resource_size(mem_res));
+ sdd->regs = devm_request_and_ioremap(&pdev->dev, mem_res);
if (sdd->regs == NULL) {
dev_err(&pdev->dev, "Unable to remap IO\n");
ret = -ENXIO;
@@ -1381,9 +1374,7 @@ err3:
if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node)
s3c64xx_spi_dt_gpio_free(sdd);
err2:
- iounmap((void *) sdd->regs);
err1:
- release_mem_region(mem_res->start, resource_size(mem_res));
err0:
platform_set_drvdata(pdev, NULL);
spi_master_put(master);
@@ -1395,7 +1386,6 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
{
struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
struct s3c64xx_spi_driver_data *sdd = spi_master_get_devdata(master);
- struct resource *mem_res;
pm_runtime_disable(&pdev->dev);
@@ -1414,12 +1404,6 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
if (!sdd->cntrlr_info->cfg_gpio && pdev->dev.of_node)
s3c64xx_spi_dt_gpio_free(sdd);
- iounmap((void *) sdd->regs);
-
- mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (mem_res != NULL)
- release_mem_region(mem_res->start, resource_size(mem_res));
-
platform_set_drvdata(pdev, NULL);
spi_master_put(master);