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powerpc/ps3: Add a sub-match id to ps3_system_bus

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Add sub match id for ps3 system bus so that two different system bus
devices can be connected to a shared device.

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Masakazu Mokuno 2008-07-17 07:22:19 +10:00 committed by Benjamin Herrenschmidt
parent 6e5f153783
commit 059e4938f8
4 changed files with 23 additions and 7 deletions
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1
arch/powerpc/platforms/ps3/device-init.c
View file

@ -486,6 +486,7 @@ static int __init ps3_register_graphics_devices(void)
return -ENOMEM;
p->dev.match_id = PS3_MATCH_ID_GRAPHICS;
p->dev.match_sub_id = PS3_MATCH_SUB_ID_FB;
p->dev.dev_type = PS3_DEVICE_TYPE_IOC0;
result = ps3_system_bus_device_register(&p->dev);

21
arch/powerpc/platforms/ps3/system-bus.c
View file

@ -347,16 +347,23 @@ static int ps3_system_bus_match(struct device *_dev,
struct ps3_system_bus_driver *drv = ps3_drv_to_system_bus_drv(_drv);
struct ps3_system_bus_device *dev = ps3_dev_to_system_bus_dev(_dev);
result = dev->match_id == drv->match_id;
if (!dev->match_sub_id)
result = dev->match_id == drv->match_id;
else
result = dev->match_sub_id == drv->match_sub_id &&
dev->match_id == drv->match_id;
if (result)
pr_info("%s:%d: dev=%u(%s), drv=%u(%s): match\n", __func__,
__LINE__, dev->match_id, dev->core.bus_id,
drv->match_id, drv->core.name);
pr_info("%s:%d: dev=%u.%u(%s), drv=%u.%u(%s): match\n",
__func__, __LINE__,
dev->match_id, dev->match_sub_id, dev->core.bus_id,
drv->match_id, drv->match_sub_id, drv->core.name);
else
pr_debug("%s:%d: dev=%u(%s), drv=%u(%s): miss\n", __func__,
__LINE__, dev->match_id, dev->core.bus_id,
drv->match_id, drv->core.name);
pr_debug("%s:%d: dev=%u.%u(%s), drv=%u.%u(%s): miss\n",
__func__, __LINE__,
dev->match_id, dev->match_sub_id, dev->core.bus_id,
drv->match_id, drv->match_sub_id, drv->core.name);
return result;
}

1
drivers/video/ps3fb.c
View file

@ -1297,6 +1297,7 @@ static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
static struct ps3_system_bus_driver ps3fb_driver = {
.match_id = PS3_MATCH_ID_GRAPHICS,
.match_sub_id = PS3_MATCH_SUB_ID_FB,
.core.name = DEVICE_NAME,
.core.owner = THIS_MODULE,
.probe = ps3fb_probe,

7
include/asm-powerpc/ps3.h
View file

@ -337,12 +337,18 @@ enum ps3_system_bus_device_type {
PS3_DEVICE_TYPE_LPM,
};
enum ps3_match_sub_id {
/* for PS3_MATCH_ID_GRAPHICS */
PS3_MATCH_SUB_ID_FB = 1,
};
/**
* struct ps3_system_bus_device - a device on the system bus
*/
struct ps3_system_bus_device {
enum ps3_match_id match_id;
enum ps3_match_sub_id match_sub_id;
enum ps3_system_bus_device_type dev_type;
u64 bus_id; /* SB */
@ -371,6 +377,7 @@ int ps3_close_hv_device(struct ps3_system_bus_device *dev);
struct ps3_system_bus_driver {
enum ps3_match_id match_id;
enum ps3_match_sub_id match_sub_id;
struct device_driver core;
int (*probe)(struct ps3_system_bus_device *);
int (*remove)(struct ps3_system_bus_device *);