diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0103-mtd-nand-pxa3xx-Use-devm_clk_get.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0103-mtd-nand-pxa3xx-Use-devm_clk_get.patch | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.10/0103-mtd-nand-pxa3xx-Use-devm_clk_get.patch b/target/linux/mvebu/patches-3.10/0103-mtd-nand-pxa3xx-Use-devm_clk_get.patch new file mode 100644 index 0000000000..8f9692a44e --- /dev/null +++ b/target/linux/mvebu/patches-3.10/0103-mtd-nand-pxa3xx-Use-devm_clk_get.patch @@ -0,0 +1,87 @@ +From 4ff9eea8b6841bb8be7becba9713a0ce7c82da9d Mon Sep 17 00:00:00 2001 +From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> +Date: Wed, 17 Apr 2013 13:38:11 -0300 +Subject: [PATCH 103/203] mtd: nand: pxa3xx: Use devm_clk_get + +Replacing clk_get by managed devm_clk_get, the error path +can be greatly simplified. + +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 | 16 +++++++--------- + 1 file changed, 7 insertions(+), 9 deletions(-) + +--- a/drivers/mtd/nand/pxa3xx_nand.c ++++ b/drivers/mtd/nand/pxa3xx_nand.c +@@ -1067,7 +1067,7 @@ static int alloc_nand_resource(struct pl + + spin_lock_init(&chip->controller->lock); + init_waitqueue_head(&chip->controller->wq); +- info->clk = clk_get(&pdev->dev, NULL); ++ info->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(info->clk)) { + dev_err(&pdev->dev, "failed to get nand clock\n"); + return PTR_ERR(info->clk); +@@ -1087,7 +1087,7 @@ static int alloc_nand_resource(struct pl + if (r == NULL) { + dev_err(&pdev->dev, "no resource defined for data DMA\n"); + ret = -ENXIO; +- goto fail_put_clk; ++ goto fail_disable_clk; + } + info->drcmr_dat = r->start; + +@@ -1095,7 +1095,7 @@ static int alloc_nand_resource(struct pl + if (r == NULL) { + dev_err(&pdev->dev, "no resource defined for command DMA\n"); + ret = -ENXIO; +- goto fail_put_clk; ++ goto fail_disable_clk; + } + info->drcmr_cmd = r->start; + } +@@ -1104,20 +1104,20 @@ static int alloc_nand_resource(struct pl + if (irq < 0) { + dev_err(&pdev->dev, "no IRQ resource defined\n"); + ret = -ENXIO; +- goto fail_put_clk; ++ goto fail_disable_clk; + } + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + 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; ++ goto fail_disable_clk; + } + info->mmio_phys = r->start; + + ret = pxa3xx_nand_init_buff(info); + if (ret) +- goto fail_put_clk; ++ goto fail_disable_clk; + + /* initialize all interrupts to be disabled */ + disable_int(info, NDSR_MASK); +@@ -1141,9 +1141,8 @@ fail_free_buf: + info->data_buff, info->data_buff_phys); + } else + kfree(info->data_buff); +-fail_put_clk: ++fail_disable_clk: + clk_disable(info->clk); +- clk_put(info->clk); + return ret; + } + +@@ -1170,7 +1169,6 @@ static int pxa3xx_nand_remove(struct pla + kfree(info->data_buff); + + clk_disable(info->clk); +- clk_put(info->clk); + + for (cs = 0; cs < pdata->num_cs; cs++) + nand_release(info->host[cs]->mtd); |