[PATCH V3 12/15] ASoC: spear: Convert to use devm_ioremap_resource

From: Tushar Behera
Date: Mon Jun 17 2013 - 06:55:49 EST


Commit 75096579c3ac ("lib: devres: Introduce devm_ioremap_resource()")
introduced devm_ioremap_resource() and deprecated the use of
devm_request_and_ioremap().

devm_request_mem_region is called in devm_ioremap_resource(). Hence that
part can also be removed.

Since devm_ioremap_resource prints error message on failure, there is
no need to print an explicit warning message.

Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
CC: alsa-devel@xxxxxxxxxxxxxxxx
CC: Liam Girdwood <lgirdwood@xxxxxxxxx>
CC: Mark Brown <broonie@xxxxxxxxxx>
---
Changes for V3:
* Rebased on for-next branch of sound/soc git tree
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git

Changes for V2:
* Removed redundant print of error message from devm_ioremap_resource
exit path
* Call to devm_request_mem_region is removed.

sound/soc/spear/spdif_out.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/sound/soc/spear/spdif_out.c b/sound/soc/spear/spdif_out.c
index a4a8748..2fdf68c 100644
--- a/sound/soc/spear/spdif_out.c
+++ b/sound/soc/spear/spdif_out.c
@@ -282,27 +282,16 @@ static int spdif_out_probe(struct platform_device *pdev)
struct resource *res;
int ret;

- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -EINVAL;
-
- if (!devm_request_mem_region(&pdev->dev, res->start,
- resource_size(res), pdev->name)) {
- dev_warn(&pdev->dev, "Failed to get memory resourse\n");
- return -ENOENT;
- }
-
host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
if (!host) {
dev_warn(&pdev->dev, "kzalloc fail\n");
return -ENOMEM;
}

- host->io_base = devm_request_and_ioremap(&pdev->dev, res);
- if (!host->io_base) {
- dev_warn(&pdev->dev, "ioremap failed\n");
- return -ENOMEM;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ host->io_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(host->io_base))
+ return PTR_ERR(host->io_base);

host->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->clk))
--
1.7.9.5

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