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path: root/drivers/watchdog/of_xilinx_wdt.c
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Diffstat (limited to 'drivers/watchdog/of_xilinx_wdt.c')
-rw-r--r--drivers/watchdog/of_xilinx_wdt.c41
1 files changed, 18 insertions, 23 deletions
diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index f359ab85c3b..55d2f66dbea 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -19,6 +19,8 @@
* know the wdt reset interval
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
@@ -99,7 +101,7 @@ static void xwdt_stop(void)
iowrite32(0, xdev.base + XWT_TWCSR1_OFFSET);
spin_unlock(&spinlock);
- printk(KERN_INFO PFX "Stopped!\n");
+ pr_info("Stopped!\n");
}
static void xwdt_keepalive(void)
@@ -165,7 +167,7 @@ static int xwdt_open(struct inode *inode, struct file *file)
__module_get(THIS_MODULE);
xwdt_start();
- printk(KERN_INFO PFX "Started...\n");
+ pr_info("Started...\n");
return nonseekable_open(inode, file);
}
@@ -175,8 +177,7 @@ static int xwdt_release(struct inode *inode, struct file *file)
if (expect_close == 42) {
xwdt_stop();
} else {
- printk(KERN_CRIT PFX
- "Unexpected close, not stopping watchdog!\n");
+ pr_crit("Unexpected close, not stopping watchdog!\n");
xwdt_keepalive();
}
@@ -300,22 +301,20 @@ static int __devinit xwdt_probe(struct platform_device *pdev)
"clock-frequency", NULL);
if (pfreq == NULL) {
- printk(KERN_WARNING PFX
- "The watchdog clock frequency cannot be obtained!\n");
+ pr_warn("The watchdog clock frequency cannot be obtained!\n");
no_timeout = 1;
}
rc = of_address_to_resource(pdev->dev.of_node, 0, &xdev.res);
if (rc) {
- printk(KERN_WARNING PFX "invalid address!\n");
+ pr_warn("invalid address!\n");
return rc;
}
tmptr = (u32 *)of_get_property(pdev->dev.of_node,
"xlnx,wdt-interval", NULL);
if (tmptr == NULL) {
- printk(KERN_WARNING PFX "Parameter \"xlnx,wdt-interval\""
- " not found in device tree!\n");
+ pr_warn("Parameter \"xlnx,wdt-interval\" not found in device tree!\n");
no_timeout = 1;
} else {
xdev.wdt_interval = *tmptr;
@@ -324,8 +323,7 @@ static int __devinit xwdt_probe(struct platform_device *pdev)
tmptr = (u32 *)of_get_property(pdev->dev.of_node,
"xlnx,wdt-enable-once", NULL);
if (tmptr == NULL) {
- printk(KERN_WARNING PFX "Parameter \"xlnx,wdt-enable-once\""
- " not found in device tree!\n");
+ pr_warn("Parameter \"xlnx,wdt-enable-once\" not found in device tree!\n");
xdev.nowayout = WATCHDOG_NOWAYOUT;
}
@@ -339,20 +337,20 @@ static int __devinit xwdt_probe(struct platform_device *pdev)
if (!request_mem_region(xdev.res.start,
xdev.res.end - xdev.res.start + 1, WATCHDOG_NAME)) {
rc = -ENXIO;
- printk(KERN_ERR PFX "memory request failure!\n");
+ pr_err("memory request failure!\n");
goto err_out;
}
xdev.base = ioremap(xdev.res.start, xdev.res.end - xdev.res.start + 1);
if (xdev.base == NULL) {
rc = -ENOMEM;
- printk(KERN_ERR PFX "ioremap failure!\n");
+ pr_err("ioremap failure!\n");
goto release_mem;
}
rc = xwdt_selftest();
if (rc == XWT_TIMER_FAILED) {
- printk(KERN_ERR PFX "SelfTest routine error!\n");
+ pr_err("SelfTest routine error!\n");
goto unmap_io;
}
@@ -360,20 +358,17 @@ static int __devinit xwdt_probe(struct platform_device *pdev)
rc = misc_register(&xwdt_miscdev);
if (rc) {
- printk(KERN_ERR PFX
- "cannot register miscdev on minor=%d (err=%d)\n",
- xwdt_miscdev.minor, rc);
+ pr_err("cannot register miscdev on minor=%d (err=%d)\n",
+ xwdt_miscdev.minor, rc);
goto unmap_io;
}
if (no_timeout)
- printk(KERN_INFO PFX
- "driver loaded (timeout=? sec, nowayout=%d)\n",
- xdev.nowayout);
+ pr_info("driver loaded (timeout=? sec, nowayout=%d)\n",
+ xdev.nowayout);
else
- printk(KERN_INFO PFX
- "driver loaded (timeout=%d sec, nowayout=%d)\n",
- timeout, xdev.nowayout);
+ pr_info("driver loaded (timeout=%d sec, nowayout=%d)\n",
+ timeout, xdev.nowayout);
expect_close = 0;
clear_bit(0, &driver_open);