| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <1393923710-10377-3-git-send-email-peter.ujfalusi@ti.com>
Date: Tue, 4 Mar 2014 11:01:47 +0200
From: Peter Ujfalusi <peter.ujfalusi@...com>
To: Santosh Shilimkar <santosh.shilimkar@...com>,
Tony Lindgren <tony@...mide.com>
CC: Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 2/5] drivers: bus: omap_l3: Convert to use devm_request_and_ioremap()
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@...com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti>
---
drivers/bus/omap_l3_noc.c | 63 +++++++++++------------------------------------
1 file changed, 15 insertions(+), 48 deletions(-)
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c
index d25d727e7cfb..ca95d3db5055 100644
--- a/drivers/bus/omap_l3_noc.c
+++ b/drivers/bus/omap_l3_noc.c
@@ -131,52 +131,28 @@ 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 < 3; i++) {
+ struct resource *res = platform_get_resource(pdev,
+ IORESOURCE_MEM, i);
+ if (!res) {
+ dev_err(&pdev->dev, "couldn't find resource %d\n", i);
+ return -ENODEV;
+ }
- 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_request_and_ioremap(&pdev->dev, res);
+ if (!l3->l3_base[i]) {
+ dev_err(&pdev->dev, "ioremap %d failed\n", i);
+ return -ENOMEM;
+ }
}
/*
@@ -189,7 +165,7 @@ 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 +182,6 @@ 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 +191,6 @@ 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;
}
--
1.9.0
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists