From: Paul Mackerras Date: Tue, 8 Nov 2005 11:48:08 +0000 (+1100) Subject: powerpc: Fix crash in early boot on some powermacs X-Git-Tag: v2.6.15-rc1~51^2~49 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3825ac0ee66b50cb0208ee74796fe65f3040e67c;p=linux-2.6 powerpc: Fix crash in early boot on some powermacs Some powermac machines were crashing in the quiesce firmware call in prom_init.c because we have just closed the OF stdin device; notably my 1999 G3 powerbook does this. To avoid this, don't close the OF stdin device on powermacs. Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index 6dc33d19fc..58f0917bd6 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -2081,8 +2081,13 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, prom_printf("copying OF device tree ...\n"); flatten_device_tree(); - /* in case stdin is USB and still active on IBM machines... */ - prom_close_stdin(); + /* + * in case stdin is USB and still active on IBM machines... + * Unfortunately quiesce crashes on some powermacs if we have + * closed stdin already (in particular the powerbook 101). + */ + if (RELOC(of_platform) != PLATFORM_POWERMAC) + prom_close_stdin(); /* * Call OF "quiesce" method to shut down pending DMA's from