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[PATCH] powerpc: enable NAP only on cpus who support it to avoid memory corruption

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This patch fixes incorrect setting of powersave_nap to 1 on all
PowerMacs, potentially causing memory corruption on some models. This
bug was introuced by me during the 32/64 bits merge.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt
2006-03-12 10:55:01 +11:00
committed by Paul Mackerras
parent cd9c99d7e5
commit c6cb3b5f36
2 changed files with 4 additions and 9 deletions
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4
arch/powerpc/platforms/powermac/setup.c
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@@ -621,10 +621,6 @@ static void __init pmac_init_early(void)
/* Probe motherboard chipset */
pmac_feature_init();
/* We can NAP */
powersave_nap = 1;
printk(KERN_INFO "Using native/NAP idle loop\n");
/* Initialize debug stuff */
udbg_scc_init(!!strstr(cmd_line, "sccdbg"));
udbg_adb_init(!!strstr(cmd_line, "btextdbg"));