Start tidying the probe/release code by using devm_ioremap_resource() to
map the IO registers.
Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>
---
Fixes from v1:
- return the PTR_ERR() from devm_ioremap
- remove error print as it already shows an error
---
drivers/mmc/host/sh_mmcif.c | 24 ++++++------------------
1 file changed, 6 insertions(+), 18 deletions(-)
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 7f819f1..3ed54c8 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -1377,22 +1377,15 @@ static int sh_mmcif_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Get irq error\n");
return -ENXIO;
}
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "platform_get_resource error.\n");
- return -ENXIO;
- }
- reg = ioremap(res->start, resource_size(res));
- if (!reg) {
- dev_err(&pdev->dev, "ioremap error.\n");
- return -ENOMEM;
- }
+ reg = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev);
- if (!mmc) {
- ret = -ENOMEM;
- goto ealloch;
- }
+ if (!mmc)
+ return -ENOMEM;
ret = mmc_of_parse(mmc);
if (ret < 0)
@@ -1497,8 +1490,6 @@ eclkget:
pm_runtime_disable(&pdev->dev);
eofparse:
mmc_free_host(mmc);
-ealloch:
- iounmap(reg);
return ret;
}
@@ -1523,9 +1514,6 @@ static int sh_mmcif_remove(struct platform_device *pdev)
*/
cancel_delayed_work_sync(&host->timeout_work);
- if (host->addr)
- iounmap(host->addr);
-
irq[0] = platform_get_irq(pdev, 0);
irq[1] = platform_get_irq(pdev, 1);
--
2.0.0.rc2
--
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