From b1ec43084d9b53dadae64da00532e1c02444ef2c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Thu, 19 Jul 2012 14:36:19 +0900 Subject: [PATCH] spi/s3c64xx: Convert to devm_request_and_ioremap() Saves some error handling and a small amount of code. Signed-off-by: Mark Brown Reviewed-by: Sylwester Nawrocki Acked-by: Linus Walleij Signed-off-by: Kukjin Kim --- drivers/spi/spi-s3c64xx.c | 18 +----------------- 1 file changed, 1 insertion(+), 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 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) 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);