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x86, olpc: fix model detection without OFW

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Impact: fix "garbled display, laptop is unusable" bug

Commit e51a1ac2df ("x86, olpc: fix endian
bug in openfirmware workaround") breaks model comparison on OLPC; the value
0xc2 needs to be scaled up by olpc_board().

The pre-patch version was wrong, but accidentally worked anyway
(big-endian 0xc2 is big enough to satisfy all other board revisions,
but little endian 0xc2 is not).

Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Andres Salomon <dilinger@queued.net>
Cc: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Chris Ball 2009-02-13 20:56:18 -05:00 committed by Ingo Molnar
parent b13e24644c
commit e49590b6dd
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/olpc.c
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@ -203,7 +203,7 @@ static void __init platform_detect(void)
static void __init platform_detect(void)
{
/* stopgap until OFW support is added to the kernel */
olpc_platform_info.boardrev = 0xc2;
olpc_platform_info.boardrev = olpc_board(0xc2);
}
#endif