Commit 0ddd846f authored by Ezequiel Garcia's avatar Ezequiel Garcia Committed by David Woodhouse

mtd: nand: pxa3xx: Use devm_ioremap_resource

Using the new devm_ioremap_resource() we can greatly
simplify resource handling.
Signed-off-by: default avatarEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 4c073cd2
......@@ -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;
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;
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;
}
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 @@ static int alloc_nand_resource(struct platform_device *pdev)
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);
......
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