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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-11 12:24:31 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-11 12:24:31 -0500 |
commit | e892873c5d7431324d98dfd3ed1572a2948046be (patch) | |
tree | 05d3785c0a4720c63fa7a7d9372ba24904b5049a /drivers/watchdog/booke_wdt.c | |
parent | eda1be631a1efa3985b408a231ba20e1ecf0a92b (diff) | |
parent | cb8fdc69a2a80e81e1280ec58afd2c3217ac8a7f (diff) |
Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
powerpc: Update desktop/server defconfigs
powerpc: Fix msr check in compat_sys_swapcontext
powerpc: Repair device bindings documentation
powerpc: Updated Freescale PPC related defconfigs
powerpc: Update QE/CPM2 usb_ctlr structures for USB support
powerpc/86xx: Correct SOC bus-frequency in GE Fanuc SBC610 DTS
powerpc: Fix Book-E watchdog timer interval setting
powerpc/fsl-booke: Fix synchronization bug w/local tlb invalidates
Diffstat (limited to 'drivers/watchdog/booke_wdt.c')
-rw-r--r-- | drivers/watchdog/booke_wdt.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c index c3b78a76f173..225398fd5049 100644 --- a/drivers/watchdog/booke_wdt.c +++ b/drivers/watchdog/booke_wdt.c | |||
@@ -42,8 +42,10 @@ u32 booke_wdt_period = WDT_PERIOD_DEFAULT; | |||
42 | 42 | ||
43 | #ifdef CONFIG_FSL_BOOKE | 43 | #ifdef CONFIG_FSL_BOOKE |
44 | #define WDTP(x) ((((63-x)&0x3)<<30)|(((63-x)&0x3c)<<15)) | 44 | #define WDTP(x) ((((63-x)&0x3)<<30)|(((63-x)&0x3c)<<15)) |
45 | #define WDTP_MASK (WDTP(0)) | ||
45 | #else | 46 | #else |
46 | #define WDTP(x) (TCR_WP(x)) | 47 | #define WDTP(x) (TCR_WP(x)) |
48 | #define WDTP_MASK (TCR_WP_MASK) | ||
47 | #endif | 49 | #endif |
48 | 50 | ||
49 | static DEFINE_SPINLOCK(booke_wdt_lock); | 51 | static DEFINE_SPINLOCK(booke_wdt_lock); |
@@ -65,6 +67,7 @@ static void __booke_wdt_enable(void *data) | |||
65 | /* clear status before enabling watchdog */ | 67 | /* clear status before enabling watchdog */ |
66 | __booke_wdt_ping(NULL); | 68 | __booke_wdt_ping(NULL); |
67 | val = mfspr(SPRN_TCR); | 69 | val = mfspr(SPRN_TCR); |
70 | val &= ~WDTP_MASK; | ||
68 | val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); | 71 | val |= (TCR_WIE|TCR_WRC(WRC_CHIP)|WDTP(booke_wdt_period)); |
69 | 72 | ||
70 | mtspr(SPRN_TCR, val); | 73 | mtspr(SPRN_TCR, val); |
@@ -114,7 +117,7 @@ static long booke_wdt_ioctl(struct file *file, | |||
114 | case WDIOC_SETTIMEOUT: | 117 | case WDIOC_SETTIMEOUT: |
115 | if (get_user(booke_wdt_period, p)) | 118 | if (get_user(booke_wdt_period, p)) |
116 | return -EFAULT; | 119 | return -EFAULT; |
117 | mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP(0)) | | 120 | mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WDTP_MASK) | |
118 | WDTP(booke_wdt_period)); | 121 | WDTP(booke_wdt_period)); |
119 | return 0; | 122 | return 0; |
120 | case WDIOC_GETTIMEOUT: | 123 | case WDIOC_GETTIMEOUT: |