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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-15 23:01:36 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-15 23:01:36 -0400 |
commit | d10902812c9cd5583130a4ebb9ad19c60b68149d (patch) | |
tree | b1b28587970e8cebf74ba4d61edf49537f619ab7 /drivers/rtc/rtc-mrst.c | |
parent | 181f977d134a9f8e3f8839f42af655b045fc059e (diff) | |
parent | 25874a299ef8037df03ce4ada570bc4e42f9748f (diff) |
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (27 commits)
x86: Clean up apic.c and apic.h
x86: Remove superflous goal definition of tsc_sync
x86: dt: Correct local apic documentation in device tree bindings
x86: dt: Cleanup local apic setup
x86: dt: Fix OLPC=y/INTEL_CE=n build
rtc: cmos: Add OF bindings
x86: ce4100: Use OF to setup devices
x86: ioapic: Add OF bindings for IO_APIC
x86: dtb: Add generic bus probe
x86: dtb: Add support for PCI devices backed by dtb nodes
x86: dtb: Add device tree support for HPET
x86: dtb: Add early parsing of IO_APIC
x86: dtb: Add irq domain abstraction
x86: dtb: Add a device tree for CE4100
x86: Add device tree support
x86: e820: Remove conditional early mapping in parse_e820_ext
x86: OLPC: Make OLPC=n build again
x86: OLPC: Remove extra OLPC_OPENFIRMWARE_DT indirection
x86: OLPC: Cleanup config maze completely
x86: OLPC: Hide OLPC_OPENFIRMWARE config switch
...
Fix up conflicts in arch/x86/platform/ce4100/ce4100.c
Diffstat (limited to 'drivers/rtc/rtc-mrst.c')
-rw-r--r-- | drivers/rtc/rtc-mrst.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c index 4db96fa306fc..b86bc328463b 100644 --- a/drivers/rtc/rtc-mrst.c +++ b/drivers/rtc/rtc-mrst.c | |||
@@ -62,6 +62,17 @@ static inline int is_intr(u8 rtc_intr) | |||
62 | return rtc_intr & RTC_IRQMASK; | 62 | return rtc_intr & RTC_IRQMASK; |
63 | } | 63 | } |
64 | 64 | ||
65 | static inline unsigned char vrtc_is_updating(void) | ||
66 | { | ||
67 | unsigned char uip; | ||
68 | unsigned long flags; | ||
69 | |||
70 | spin_lock_irqsave(&rtc_lock, flags); | ||
71 | uip = (vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP); | ||
72 | spin_unlock_irqrestore(&rtc_lock, flags); | ||
73 | return uip; | ||
74 | } | ||
75 | |||
65 | /* | 76 | /* |
66 | * rtc_time's year contains the increment over 1900, but vRTC's YEAR | 77 | * rtc_time's year contains the increment over 1900, but vRTC's YEAR |
67 | * register can't be programmed to value larger than 0x64, so vRTC | 78 | * register can't be programmed to value larger than 0x64, so vRTC |
@@ -76,7 +87,7 @@ static int mrst_read_time(struct device *dev, struct rtc_time *time) | |||
76 | { | 87 | { |
77 | unsigned long flags; | 88 | unsigned long flags; |
78 | 89 | ||
79 | if (rtc_is_updating()) | 90 | if (vrtc_is_updating()) |
80 | mdelay(20); | 91 | mdelay(20); |
81 | 92 | ||
82 | spin_lock_irqsave(&rtc_lock, flags); | 93 | spin_lock_irqsave(&rtc_lock, flags); |