[WATCHDOG] omap_wdt.c: another ioremap() fix
convert to use ioremap() and __raw_{read/write} friends.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: George G. Davis <gdavis@mvista.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 7de16a3..9c389b1 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -71,12 +71,12 @@
{
void __iomem *base = wdev->base;
/* wait for posted write to complete */
- while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x08)
+ while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08)
cpu_relax();
wdt_trgr_pattern = ~wdt_trgr_pattern;
- omap_writel(wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR));
+ __raw_writel(wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR));
/* wait for posted write to complete */
- while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x08)
+ while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08)
cpu_relax();
/* reloaded WCRR from WLDR */
}
@@ -86,11 +86,11 @@
void __iomem *base;
base = wdev->base;
/* Sequence to enable the watchdog */
- omap_writel(0xBBBB, base + OMAP_WATCHDOG_SPR);
- while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x10)
+ __raw_writel(0xBBBB, base + OMAP_WATCHDOG_SPR);
+ while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10)
cpu_relax();
- omap_writel(0x4444, base + OMAP_WATCHDOG_SPR);
- while ((omap_readl(base + OMAP_WATCHDOG_WPS)) & 0x10)
+ __raw_writel(0x4444, base + OMAP_WATCHDOG_SPR);
+ while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10)
cpu_relax();
}
@@ -99,11 +99,11 @@
void __iomem *base;
base = wdev->base;
/* sequence required to disable watchdog */
- omap_writel(0xAAAA, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */
- while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x10)
+ __raw_writel(0xAAAA, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */
+ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10)
cpu_relax();
- omap_writel(0x5555, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */
- while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x10)
+ __raw_writel(0x5555, base + OMAP_WATCHDOG_SPR); /* TIMER_MODE */
+ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10)
cpu_relax();
}
@@ -123,10 +123,10 @@
base = wdev->base;
/* just count up at 32 KHz */
- while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
+ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
cpu_relax();
- omap_writel(pre_margin, base + OMAP_WATCHDOG_LDR);
- while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
+ __raw_writel(pre_margin, base + OMAP_WATCHDOG_LDR);
+ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
cpu_relax();
}
@@ -152,10 +152,10 @@
}
/* initialize prescaler */
- while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
+ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
cpu_relax();
- omap_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL);
- while (omap_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
+ __raw_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL);
+ while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
cpu_relax();
file->private_data = (void *) wdev;
@@ -224,7 +224,7 @@
return put_user(0, (int __user *)arg);
case WDIOC_GETBOOTSTATUS:
if (cpu_is_omap16xx())
- return put_user(omap_readw(ARM_SYSST),
+ return put_user(__raw_readw(ARM_SYSST),
(int __user *)arg);
if (cpu_is_omap24xx())
return put_user(omap_prcm_get_reset_sources(),
@@ -328,7 +328,12 @@
goto fail;
}
}
- wdev->base = (void __iomem *) (mem->start);
+ wdev->base = ioremap(res->start, res->end - res->start + 1);
+ if (!wdev->base) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
platform_set_drvdata(pdev, wdev);
omap_wdt_disable(wdev);
@@ -344,11 +349,11 @@
goto fail;
pr_info("OMAP Watchdog Timer Rev 0x%02x: initial timeout %d sec\n",
- omap_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF,
+ __raw_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF,
timer_margin);
/* autogate OCP interface clock */
- omap_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG);
+ __raw_writel(0x01, wdev->base + OMAP_WATCHDOG_SYS_CONFIG);
omap_wdt_dev = pdev;
@@ -363,6 +368,7 @@
clk_put(wdev->mpu_wdt_ick);
if (wdev->mpu_wdt_fck)
clk_put(wdev->mpu_wdt_fck);
+ iounmap(wdev->base);
kfree(wdev);
}
if (mem) {
@@ -404,6 +410,8 @@
clk_put(wdev->mpu_wdt_fck);
wdev->mpu_wdt_fck = NULL;
}
+ iounmap(wdev->base);
+
kfree(wdev);
omap_wdt_dev = NULL;
return 0;