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Date: Fri, 23 May 2014 01:32:05 +0200
From: abdoulaye berthe <berthe.ab@...il.com>
To: berthe.ab@...il.com, linux-kernel@...r.kernel.org
Subject: [PATCH] bus: omap_l3_noc.c: use devm functions
This uses devm function to ease mem alloc
Signed-off-by: abdoulaye berthe <berthe.ab@...il.com>
---
drivers/bus/omap_l3_noc.c | 73 +++++++++++------------------------------------
1 file changed, 17 insertions(+), 56 deletions(-)
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c
index feeecae..e8bcc8f 100644
--- a/drivers/bus/omap_l3_noc.c
+++ b/drivers/bus/omap_l3_noc.c
@@ -133,53 +133,28 @@ static int omap4_l3_probe(struct platform_device *pdev)
static struct omap4_l3 *l3;
struct resource *res;
int ret;
+ struct device *dev = &pdev->dev;
- l3 = kzalloc(sizeof(*l3), GFP_KERNEL);
+ l3 = devm_kzalloc(dev, sizeof(struct omap4_l3), GFP_KERNEL);
if (!l3)
return -ENOMEM;
platform_set_drvdata(pdev, l3);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "couldn't find resource 0\n");
- ret = -ENODEV;
- goto err0;
- }
- l3->l3_base[0] = ioremap(res->start, resource_size(res));
- if (!l3->l3_base[0]) {
- dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err0;
- }
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ l3->l3_base[0] = devm_ioremap(dev, res->start, resource_size(res));
+ if (IS_ERR(l3->l3_base[0]))
+ return PTR_ERR(l3->l3_base[0]);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!res) {
- dev_err(&pdev->dev, "couldn't find resource 1\n");
- ret = -ENODEV;
- goto err1;
- }
-
- l3->l3_base[1] = ioremap(res->start, resource_size(res));
- if (!l3->l3_base[1]) {
- dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err1;
- }
+ l3->l3_base[1] = devm_ioremap(dev, res->start, resource_size(res));
+ if (IS_ERR(l3->l3_base[1]))
+ return PTR_ERR(l3->l3_base[1]);
res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- if (!res) {
- dev_err(&pdev->dev, "couldn't find resource 2\n");
- ret = -ENODEV;
- goto err2;
- }
-
- l3->l3_base[2] = ioremap(res->start, resource_size(res));
- if (!l3->l3_base[2]) {
- dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err2;
- }
+ l3->l3_base[2] = devm_ioremap(dev, res->start, resource_size(res));
+ if (IS_ERR(l3->l3_base[2]))
+ return PTR_ERR(l3->l3_base[2]);
/*
* Setup interrupt Handlers
@@ -191,7 +166,8 @@ static int omap4_l3_probe(struct platform_device *pdev)
if (ret) {
pr_crit("L3: request_irq failed to register for 0x%x\n",
l3->debug_irq);
- goto err3;
+ free_irq(l3->debug_irq, l3);
+ return ret;
}
l3->app_irq = platform_get_irq(pdev, 1);
@@ -201,22 +177,11 @@ static int omap4_l3_probe(struct platform_device *pdev)
if (ret) {
pr_crit("L3: request_irq failed to register for 0x%x\n",
l3->app_irq);
- goto err4;
+ free_irq(l3->app_irq, l3);
+ free_irq(l3->debug_irq, l3);
+ return ret;
}
-
return 0;
-
-err4:
- free_irq(l3->debug_irq, l3);
-err3:
- iounmap(l3->l3_base[2]);
-err2:
- iounmap(l3->l3_base[1]);
-err1:
- iounmap(l3->l3_base[0]);
-err0:
- kfree(l3);
- return ret;
}
static int omap4_l3_remove(struct platform_device *pdev)
@@ -225,10 +190,6 @@ static int omap4_l3_remove(struct platform_device *pdev)
free_irq(l3->app_irq, l3);
free_irq(l3->debug_irq, l3);
- iounmap(l3->l3_base[0]);
- iounmap(l3->l3_base[1]);
- iounmap(l3->l3_base[2]);
- kfree(l3);
return 0;
}
--
1.8.3.2
--
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