Commit ef596c69 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Arnd Bergmann
Browse files

[POWERPC] ps3: always make sure were running on a PS3 



Add missing checks to PS3 specific drivers ps3av and sys-manager to verify that
we are actually running on a PS3 (pointed out by Arnd).

Correct existing checks in other subsystems/drivers to return -ENODEV instead
of zero.

Signed-off-by: default avatarGeert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: default avatarArnd Bergmann <arnd.bergmann@de.ibm.com>
parent 94b2a439

arch/powerpc/platforms/ps3/mm.c

+1 −1
Original line number Diff line number Diff line
@@ -294,7 +294,7 @@ static int __init ps3_mm_add_memory(void) 
	unsigned long nr_pages;



	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))

		return 0;

		return -ENODEV;



	BUG_ON(!mem_init_done);

arch/powerpc/platforms/ps3/system-bus.c

+1 −1
Original line number Diff line number Diff line
@@ -172,7 +172,7 @@ int __init ps3_system_bus_init(void) 
	int result;



	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))

		return 0;

		return -ENODEV;



	result = bus_register(&ps3_system_bus_type);

	BUG_ON(result);

drivers/ps3/ps3av.c

+8 −1
Original line number Diff line number Diff line
@@ -24,6 +24,8 @@ 
#include <linux/reboot.h>

#include <linux/kernel.h>

#include <linux/ioctl.h>



#include <asm/firmware.h>

#include <asm/lv1call.h>

#include <asm/ps3av.h>

#include <asm/ps3.h>
@@ -947,7 +949,12 @@ static struct ps3_vuart_port_driver ps3av_driver = { 


static int ps3av_module_init(void)

{

	int error = ps3_vuart_port_driver_register(&ps3av_driver);

	int error;



	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))

		return -ENODEV;



	error = ps3_vuart_port_driver_register(&ps3av_driver);

	if (error) {

		printk(KERN_ERR

		       "%s: ps3_vuart_port_driver_register failed %d\n",

drivers/ps3/sys-manager.c

+6 −0
Original line number Diff line number Diff line
@@ -22,7 +22,10 @@ 
#include <linux/module.h>

#include <linux/workqueue.h>

#include <linux/reboot.h>



#include <asm/firmware.h>

#include <asm/ps3.h>



#include "vuart.h"



MODULE_AUTHOR("Sony Corporation");
@@ -598,6 +601,9 @@ static struct ps3_vuart_port_driver ps3_sys_manager = { 


static int __init ps3_sys_manager_init(void)

{

	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))

		return -ENODEV;



	return ps3_vuart_port_driver_register(&ps3_sys_manager);

}

drivers/ps3/vuart.c

+1 −1
Original line number Diff line number Diff line
@@ -1031,7 +1031,7 @@ int __init ps3_vuart_bus_init(void) 
	pr_debug("%s:%d:\n", __func__, __LINE__);



	if (!firmware_has_feature(FW_FEATURE_PS3_LV1))

		return 0;

		return -ENODEV;



	init_MUTEX(&vuart_bus_priv.probe_mutex);

	result = bus_register(&ps3_vuart_bus);

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