[PATCH 14/80] sh-pfc: Use devm_ioremap_nocache()
Simon Horman
horms+renesas at verge.net.au
Thu Jan 24 21:23:50 EST 2013
From: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Replace probe-time ioremap_nocache() call with devm_ioremap_nocache()
and get rid of the corresponding iounmap() call.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
Acked-by: Linus Walleij <linus.walleij at linaro.org>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
drivers/sh/pfc/core.c | 25 ++++---------------------
1 file changed, 4 insertions(+), 21 deletions(-)
diff --git a/drivers/sh/pfc/core.c b/drivers/sh/pfc/core.c
index 5491902..8ec57bd 100644
--- a/drivers/sh/pfc/core.c
+++ b/drivers/sh/pfc/core.c
@@ -26,15 +26,6 @@
#include "core.h"
-static void pfc_iounmap(struct sh_pfc *pfc)
-{
- int k;
-
- for (k = 0; k < pfc->pdata->num_resources; k++)
- if (pfc->window[k].virt)
- iounmap(pfc->window[k].virt);
-}
-
static int pfc_ioremap(struct sh_pfc *pfc)
{
struct resource *res;
@@ -53,12 +44,10 @@ static int pfc_ioremap(struct sh_pfc *pfc)
WARN_ON(resource_type(res) != IORESOURCE_MEM);
pfc->window[k].phys = res->start;
pfc->window[k].size = resource_size(res);
- pfc->window[k].virt = ioremap_nocache(res->start,
- resource_size(res));
- if (!pfc->window[k].virt) {
- pfc_iounmap(pfc);
+ pfc->window[k].virt = devm_ioremap_nocache(pfc->dev, res->start,
+ resource_size(res));
+ if (!pfc->window[k].virt)
return -ENOMEM;
- }
}
return 0;
@@ -524,7 +513,7 @@ static int sh_pfc_probe(struct platform_device *pdev)
*/
ret = sh_pfc_register_pinctrl(pfc);
if (unlikely(ret != 0))
- goto err;
+ return ret;
#ifdef CONFIG_GPIO_SH_PFC
/*
@@ -546,10 +535,6 @@ static int sh_pfc_probe(struct platform_device *pdev)
pr_info("%s support registered\n", pdata->name);
return 0;
-
-err:
- pfc_iounmap(pfc);
- return ret;
}
static int sh_pfc_remove(struct platform_device *pdev)
@@ -561,8 +546,6 @@ static int sh_pfc_remove(struct platform_device *pdev)
#endif
sh_pfc_unregister_pinctrl(pfc);
- pfc_iounmap(pfc);
-
platform_set_drvdata(pdev, NULL);
return 0;
--
1.7.10.4
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