From: Tim Sell <Timothy.Sell@xxxxxxxxxx>
Previously, the lines describing devices controlled by the visorinput,
visornic, and visorhba drivers (keyboard, mouse, ultravnic, sparvhba) would
be missing from the vbus channel header. This is important info that is
collected as part of s-Par livedumps, and can be examined via
/sys/bus/visorbus/devices/visorbus<n>/client_bus_info, e.g.:
$ pwd
/sys/bus/visorbus/devices
$ cat visorbus1/client_bus_info
Client device / client driver info for s-Par Console eartition
(vbus #4294967295):
chipset visorchipset kernel ver. 4.8.0-rc6-ARCH+
clientbus visorbus kernel ver. 4.8.0-rc6-ARCH+
-> [2]keyboard visorinput kernel ver. 4.8.0-rc6-ARCH+
-> [3]mouse visorinput kernel ver. 4.8.0-rc6-ARCH+
$ cat visorbus2/client_bus_info
Client device / client driver info for s-Par IOVM eartition
(vbus #4294967295):
chipset visorchipset kernel ver. 4.8.0-rc6-ARCH+
clientbus visorbus kernel ver. 4.8.0-rc6-ARCH+
-> [0]ultravnic visornic kernel ver. 4.8.0-rc6-ARCH+
-> [1]ultravnic visornic kernel ver. 4.8.0-rc6-ARCH+
-> [2]sparvhba visorhba kernel ver. 4.8.0-rc6-ARCH+
Signed-off-by: Tim Sell <Timothy.Sell@xxxxxxxxxx>
Signed-off-by: David Kershner <david.kershner@xxxxxxxxxx>
---
drivers/staging/unisys/visorbus/visorbus_main.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/staging/unisys/visorbus/visorbus_main.c
index ccdb5a1..2b4abda 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/staging/unisys/visorbus/visorbus_main.c
@@ -796,14 +796,12 @@ fix_vbus_dev_info(struct visor_device *visordev)
if (!visordev->device.driver)
return;
- hdr_info = (struct spar_vbus_headerinfo *)visordev->vbus_hdr_info;
- if (!hdr_info)
- return;
-
bdev = visorbus_get_device_by_id(bus_no, BUS_ROOT_DEVICE, NULL);
if (!bdev)
return;
-
+ hdr_info = (struct spar_vbus_headerinfo *)bdev->vbus_hdr_info;
+ if (!hdr_info)
+ return;
visordrv = to_visor_driver(visordev->device.driver);
/*
--
1.9.1
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