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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2014-04-01 17:23:47 +0400
committerNishanth Menon <nm@ti.com>2014-05-05 23:32:01 +0400
commit56c4a0224add82ced3af81c3a898a228a0560720 (patch)
tree925fdabcee3fbbf28f4c3bcc5db7fc8061dd7d85 /drivers/bus
parentbae74510179bc6d2c71168eeef33b7b157e244d0 (diff)
downloadlinux-56c4a0224add82ced3af81c3a898a228a0560720.tar.xz
drivers: bus: omap_l3: Convert to use devm_ioremap_resource()
We can then remove the iounmap() calls from probe and remove. Since the driver requests the resources via index we can do the mem resource request within a for loop. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Nishanth Menon <nm@ti.com> Tested-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/omap_l3_noc.c59
1 files changed, 11 insertions, 48 deletions
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c
index d25d727e7cfb..6f58be3c2f76 100644
--- a/drivers/bus/omap_l3_noc.c
+++ b/drivers/bus/omap_l3_noc.c
@@ -131,52 +131,24 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3)
static int omap4_l3_probe(struct platform_device *pdev)
{
static struct omap4_l3 *l3;
- struct resource *res;
- int ret;
+ int ret, i;
l3 = devm_kzalloc(&pdev->dev, sizeof(*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");
- return -ENODEV;
- }
-
- l3->l3_base[0] = ioremap(res->start, resource_size(res));
- if (!l3->l3_base[0]) {
- dev_err(&pdev->dev, "ioremap failed\n");
- return -ENOMEM;
- }
-
- 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;
- }
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- if (!res) {
- dev_err(&pdev->dev, "couldn't find resource 2\n");
- ret = -ENODEV;
- goto err2;
- }
+ /* Get mem resources */
+ for (i = 0; i < L3_MODULES; i++) {
+ struct resource *res = platform_get_resource(pdev,
+ IORESOURCE_MEM, i);
- 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[i] = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(l3->l3_base[i])) {
+ dev_err(&pdev->dev, "ioremap %d failed\n", i);
+ return PTR_ERR(l3->l3_base[i]);
+ }
}
/*
@@ -189,7 +161,7 @@ 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;
+ return ret;
}
l3->app_irq = platform_get_irq(pdev, 1);
@@ -206,12 +178,6 @@ static int omap4_l3_probe(struct platform_device *pdev)
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]);
return ret;
}
@@ -221,9 +187,6 @@ 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]);
return 0;
}