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Commit 3825ac0e authored by Paul Mackerras's avatar Paul Mackerras
Browse files

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: default avatarPaul Mackerras <paulus@samba.org>
parent 7e9191da

arch/powerpc/kernel/prom_init.c

+7 −2
Original line number Diff line number Diff line
@@ -2081,7 +2081,12 @@ 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... */

	/*

	 * 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();



	/*