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x86/mrst/vrtc: Fix boot crash in mrst_rtc_init()

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The sfi_mrtc_array[] only gets initialized when the sfi mrtc
table is parsed, so the vrtc_paddr should be initalized after it
too.

Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/1302140389-27603-1-git-send-email-feng.tang@intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Feng Tang 2011-04-07 09:39:49 +08:00 committed by Ingo Molnar
parent de97a21a23
commit 09552b2696
1 changed files with 3 additions and 1 deletions
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4
arch/x86/platform/mrst/vrtc.c
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@ -100,9 +100,11 @@ int vrtc_set_mmss(unsigned long nowtime)
void __init mrst_rtc_init(void)
{
unsigned long vrtc_paddr = sfi_mrtc_array[0].phys_addr;
unsigned long vrtc_paddr;
sfi_table_parse(SFI_SIG_MRTC, NULL, NULL, sfi_parse_mrtc);
vrtc_paddr = sfi_mrtc_array[0].phys_addr;
if (!sfi_mrtc_num || !vrtc_paddr)
return;