diff options
| author | Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2013-04-17 13:38:10 -0300 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2013-08-05 20:47:27 +0100 |
| commit | 0ddd846f56a7648b9e70fb94a2b93b5b8b6ae335 (patch) | |
| tree | 7d809713c6292c31707259d05496aff214e78cf4 /drivers/mtd/nand/pxa3xx_nand.c | |
| parent | 4c073cd26e0835ae9c807a6188272e09d3087d85 (diff) | |
| download | blackbird-op-linux-0ddd846f56a7648b9e70fb94a2b93b5b8b6ae335.tar.gz blackbird-op-linux-0ddd846f56a7648b9e70fb94a2b93b5b8b6ae335.zip | |
mtd: nand: pxa3xx: Use devm_ioremap_resource
Using the new devm_ioremap_resource() we can greatly
simplify resource handling.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Diffstat (limited to 'drivers/mtd/nand/pxa3xx_nand.c')
| -rw-r--r-- | drivers/mtd/nand/pxa3xx_nand.c | 31 |
1 files changed, 4 insertions, 27 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c index 873eba56ff60..98b3cea078ce 100644 --- a/drivers/mtd/nand/pxa3xx_nand.c +++ b/drivers/mtd/nand/pxa3xx_nand.c @@ -1108,30 +1108,16 @@ static int alloc_nand_resource(struct platform_device *pdev) } r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (r == NULL) { - dev_err(&pdev->dev, "no IO memory resource defined\n"); - ret = -ENODEV; + info->mmio_base = devm_ioremap_resource(&pdev->dev, r); + if (IS_ERR(info->mmio_base)) { + ret = PTR_ERR(info->mmio_base); goto fail_put_clk; } - - r = request_mem_region(r->start, resource_size(r), pdev->name); - if (r == NULL) { - dev_err(&pdev->dev, "failed to request memory resource\n"); - ret = -EBUSY; - goto fail_put_clk; - } - - info->mmio_base = ioremap(r->start, resource_size(r)); - if (info->mmio_base == NULL) { - dev_err(&pdev->dev, "ioremap() failed\n"); - ret = -ENODEV; - goto fail_free_res; - } info->mmio_phys = r->start; ret = pxa3xx_nand_init_buff(info); if (ret) - goto fail_free_io; + goto fail_put_clk; /* initialize all interrupts to be disabled */ disable_int(info, NDSR_MASK); @@ -1155,10 +1141,6 @@ fail_free_buf: info->data_buff, info->data_buff_phys); } else kfree(info->data_buff); -fail_free_io: - iounmap(info->mmio_base); -fail_free_res: - release_mem_region(r->start, resource_size(r)); fail_put_clk: clk_disable(info->clk); clk_put(info->clk); @@ -1169,7 +1151,6 @@ static int pxa3xx_nand_remove(struct platform_device *pdev) { struct pxa3xx_nand_info *info = platform_get_drvdata(pdev); struct pxa3xx_nand_platform_data *pdata; - struct resource *r; int irq, cs; if (!info) @@ -1188,10 +1169,6 @@ static int pxa3xx_nand_remove(struct platform_device *pdev) } else kfree(info->data_buff); - iounmap(info->mmio_base); - r = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(r->start, resource_size(r)); - clk_disable(info->clk); clk_put(info->clk); |
