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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>
This commit is contained in:
Mark Brown 2012-07-19 14:36:19 +09:00 committed by Kukjin Kim
parent 707214d097
commit b1ec43084d
1 changed files with 1 additions and 17 deletions
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18
drivers/spi/spi-s3c64xx.c
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@ -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);