88 lines
2.6 KiB
Diff
88 lines
2.6 KiB
Diff
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);
|