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authorMasakazu Mokuno <mokuno@sm.sony.co.jp>2008-07-17 07:22:19 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2008-07-22 10:39:33 +1000
commit059e4938f8b060b10c4352e6c45739473bc73267 (patch)
tree27bd214190ba1a42b45fade9bbae310c2369d6cb /arch
parent6e5f1537833a9fc8251157dff403231f5c89a894 (diff)
downloadblackbird-op-linux-059e4938f8b060b10c4352e6c45739473bc73267.tar.gz
blackbird-op-linux-059e4938f8b060b10c4352e6c45739473bc73267.zip
powerpc/ps3: Add a sub-match id to ps3_system_bus
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/platforms/ps3/device-init.c1
-rw-r--r--arch/powerpc/platforms/ps3/system-bus.c21
2 files changed, 15 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/ps3/device-init.c b/arch/powerpc/platforms/ps3/device-init.c
index 3866debfa3c4..ffdd8e963fbd 100644
--- a/arch/powerpc/platforms/ps3/device-init.c
+++ b/arch/powerpc/platforms/ps3/device-init.c
@@ -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);
diff --git a/arch/powerpc/platforms/ps3/system-bus.c b/arch/powerpc/platforms/ps3/system-bus.c
index d66c3628a112..280ee88cb0b0 100644
--- a/arch/powerpc/platforms/ps3/system-bus.c
+++ b/arch/powerpc/platforms/ps3/system-bus.c
@@ -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;
}
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