diff options
Diffstat (limited to 'arch/x86/platform/mrst/vrtc.c')
| -rw-r--r-- | arch/x86/platform/mrst/vrtc.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/arch/x86/platform/mrst/vrtc.c b/arch/x86/platform/mrst/vrtc.c index 32cd7edd71a..73d70d65e76 100644 --- a/arch/x86/platform/mrst/vrtc.c +++ b/arch/x86/platform/mrst/vrtc.c @@ -100,22 +100,16 @@ int vrtc_set_mmss(unsigned long nowtime) void __init mrst_rtc_init(void) { - unsigned long rtc_paddr; - void __iomem *virt_base; + unsigned long vrtc_paddr; sfi_table_parse(SFI_SIG_MRTC, NULL, NULL, sfi_parse_mrtc); - if (!sfi_mrtc_num) - return; - - rtc_paddr = sfi_mrtc_array[0].phys_addr; - /* vRTC's register address may not be page aligned */ - set_fixmap_nocache(FIX_LNW_VRTC, rtc_paddr); - - virt_base = (void __iomem *)__fix_to_virt(FIX_LNW_VRTC); - virt_base += rtc_paddr & ~PAGE_MASK; - vrtc_virt_base = virt_base; + vrtc_paddr = sfi_mrtc_array[0].phys_addr; + if (!sfi_mrtc_num || !vrtc_paddr) + return; + vrtc_virt_base = (void __iomem *)set_fixmap_offset_nocache(FIX_LNW_VRTC, + vrtc_paddr); x86_platform.get_wallclock = vrtc_get_time; x86_platform.set_wallclock = vrtc_set_mmss; } |