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v0.8.1
https://github.com/torvalds/linux
Revision 22c841c9a465a6b29a6140fcc5dae9fdb3c8674d authored by Paul Mackerras on 11 November 2005, 11:34:43 UTC, committed by Paul Mackerras on 11 November 2005, 11:34:43 UTC
32-bit SMP powermacs weren't booting with ARCH=powerpc because the
boot cpu wasn't saving away the state of various control registers,
but the secondary CPUs were loading them from the uninitialized
state.  This adds the necessary save-state call.

Signed-off-by: Paul Mackerras <paulus@samba.org>
1 parent a7f290d
Raw File
Tip revision: 22c841c9a465a6b29a6140fcc5dae9fdb3c8674d authored by Paul Mackerras on 11 November 2005, 11:34:43 UTC
powerpc: Initialize secondary CPU setup for 32-bit SMP
Tip revision: 22c841c
mca-driver.c
/* -*- mode: c; c-basic-offset: 8 -*- */

/*
 * MCA driver support functions for sysfs.
 *
 * (C) 2002 James Bottomley <James.Bottomley@HansenPartnership.com>
 *
**-----------------------------------------------------------------------------
**  
**  This program is free software; you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation; either version 2 of the License, or
**  (at your option) any later version.
**
**  This program is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program; if not, write to the Free Software
**  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**
**-----------------------------------------------------------------------------
 */

#include <linux/device.h>
#include <linux/mca.h>
#include <linux/module.h>

int mca_register_driver(struct mca_driver *mca_drv)
{
	int r;

	if (MCA_bus) {
		mca_drv->driver.bus = &mca_bus_type;
		if ((r = driver_register(&mca_drv->driver)) < 0)
			return r;
	}

	return 0;
}
EXPORT_SYMBOL(mca_register_driver);

void mca_unregister_driver(struct mca_driver *mca_drv)
{
	if (MCA_bus)
		driver_unregister(&mca_drv->driver);
}
EXPORT_SYMBOL(mca_unregister_driver);
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