diff options
| author | Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2007-03-10 00:05:38 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@klappe.arndb.de> | 2007-03-10 00:07:51 +0100 |
| commit | ef596c697a4d80048eccf50530153d7e3330c127 (patch) | |
| tree | afd1d1cf9c4fc2c53d557a669d0fdba085dc3e35 /drivers/ps3 | |
| parent | 94b2a4393c500a620de90c3266d595926302e26b (diff) | |
| download | lwn-ef596c697a4d80048eccf50530153d7e3330c127.tar.gz lwn-ef596c697a4d80048eccf50530153d7e3330c127.zip | |
[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: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'drivers/ps3')
| -rw-r--r-- | drivers/ps3/ps3av.c | 9 | ||||
| -rw-r--r-- | drivers/ps3/sys-manager.c | 6 | ||||
| -rw-r--r-- | drivers/ps3/vuart.c | 2 |
3 files changed, 15 insertions, 2 deletions
diff --git a/drivers/ps3/ps3av.c b/drivers/ps3/ps3av.c index 1926b4d3e1f4..d21e04ccb021 100644 --- a/drivers/ps3/ps3av.c +++ b/drivers/ps3/ps3av.c @@ -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", diff --git a/drivers/ps3/sys-manager.c b/drivers/ps3/sys-manager.c index 0fc30be8b81e..3aa2b0dcc369 100644 --- a/drivers/ps3/sys-manager.c +++ b/drivers/ps3/sys-manager.c @@ -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); } diff --git a/drivers/ps3/vuart.c b/drivers/ps3/vuart.c index 746298107d6f..1adf186bfaf5 100644 --- a/drivers/ps3/vuart.c +++ b/drivers/ps3/vuart.c @@ -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); |