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author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2014-04-01 15:23:47 +0200 |
---|---|---|
committer | Nishanth Menon <nm@ti.com> | 2014-05-05 21:32:01 +0200 |
commit | 56c4a0224add82ced3af81c3a898a228a0560720 (patch) | |
tree | 925fdabcee3fbbf28f4c3bcc5db7fc8061dd7d85 /drivers/bus | |
parent | drivers: bus: omap_l3: Convert to use devm_kzalloc (diff) | |
download | linux-56c4a0224add82ced3af81c3a898a228a0560720.tar.xz linux-56c4a0224add82ced3af81c3a898a228a0560720.zip |
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.c | 59 |
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; } |