diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0102-mtd-nand-pxa3xx-Use-devm_ioremap_resource.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0102-mtd-nand-pxa3xx-Use-devm_ioremap_resource.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0102-mtd-nand-pxa3xx-Use-devm_ioremap_resource.patch b/target/linux/mvebu/patches-3.10/0102-mtd-nand-pxa3xx-Use-devm_ioremap_resource.patch new file mode 100644 index 0000000..eec8079 --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0102-mtd-nand-pxa3xx-Use-devm_ioremap_resource.patch @@ -0,0 +1,82 @@ +From 5c461327aca8975276d2480ddf02b6c7f0a29548 Mon Sep 17 00:00:00 2001 +From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> +Date: Wed, 17 Apr 2013 13:38:10 -0300 +Subject: [PATCH 102/203] 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> +--- + drivers/mtd/nand/pxa3xx_nand.c | 31 ++++--------------------------- + 1 file changed, 4 insertions(+), 27 deletions(-) + +--- a/drivers/mtd/nand/pxa3xx_nand.c ++++ b/drivers/mtd/nand/pxa3xx_nand.c +@@ -1108,30 +1108,16 @@ static int alloc_nand_resource(struct pl + } + + 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 pla + { + 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 pla + } 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); + |