Saves some error handling and a small amount of code.
Signed-off-by: Mark Brown <[email protected]>
Reviewed-by: Sylwester Nawrocki <[email protected]>
Acked-by: Linus Walleij <[email protected]>
---
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 6ed3ba8..1781365 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1278,14 +1278,7 @@ 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;
@@ -1379,9 +1372,7 @@ 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);
@@ -1393,7 +1384,6 @@ 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);
@@ -1412,12 +1402,6 @@ 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);
--
1.7.10.4
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