I was wondering if that fix USB host controller reset I am seeing but it
didn't :-(
Anyhow, that should be still fixed.
Oct 5 23:21:05 localhost kernel: [ 216.670807] hub 2-0:1.0: >port 2
disabled by hub (EMI?), re-enabling...
Oct 5 23:21:05 localhost kernel: [ 216.670812] usb 2-2: >USB
disconnect, device number 6
Oct 5 23:21:05 localhost kernel: [ 216.671022] dvb-usb: recv bulk
message failed: -108
Linux localhost.localdomain 3.5.4-2.fc17.x86_64 #1 SMP Wed Sep 26
21:58:50 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
Same happens for latest 3.6/3.7 too:
Oct 5 23:28:37 localhost kernel: [ 319.837639] usb 2-2: dvb_usb_v2:
'Hauppauge WinTV-Aero-M' successfully initialized and connected
Oct 5 23:28:41 localhost kernel: [ 324.551834] hub 2-0:1.0: port 2
disabled by hub (EMI?), re-enabling...
Oct 5 23:28:41 localhost kernel: [ 324.551849] usb 2-2: USB
disconnect, device number 9
Oct 5 23:28:41 localhost kernel: [ 324.561541] usb 2-2: dvb_usb_v2:
usb_bulk_msg() failed=-71
Linux localhost.localdomain 3.6.0+ #4 SMP Fri Oct 5 23:09:53 EEST 2012
x86_64 x86_64 x86_64 GNU/Linux
I am quite sure it is some problem (race condition) when powering off
and starting frontends. It could be reproduced quite easily making
tuning attempts quickly for frontend 0 and 1. Usually zap -f 1; zap -f
0; zap -f 1; and kaboom, it reboots USB HCI. AMD SB700 USB HCI used.
When you do that fe switching slowly it does not happen.
regards
Antti
On 10/05/2012 11:44 PM, Antti Palosaari wrote:
This reverts commits:
3fd7e4341e04f80e2605f56bbd8cb1e8b027901a
[media] mxl111sf: remove an unused variable
3be5bb71fbf18f83cb88b54a62a78e03e5a4f30a
[media] mxl111sf: fix error on stream stop in mxl111sf_ep6_streaming_ctrl()
...as bug behind these is fixed by the DVB USB v2.
Cc: Michael Krufky <mkrufky@xxxxxxxxxxx>
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/usb/dvb-usb-v2/mxl111sf.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/mxl111sf.c b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
index efdcb15..fcfe124 100644
--- a/drivers/media/usb/dvb-usb-v2/mxl111sf.c
+++ b/drivers/media/usb/dvb-usb-v2/mxl111sf.c
@@ -343,6 +343,7 @@ static int mxl111sf_ep6_streaming_ctrl(struct dvb_frontend *fe, int onoff)
struct mxl111sf_state *state = fe_to_priv(fe);
struct mxl111sf_adap_state *adap_state = &state->adap_state[fe->id];
int ret = 0;
+ u8 tmp;
deb_info("%s(%d)\n", __func__, onoff);
@@ -353,13 +354,15 @@ static int mxl111sf_ep6_streaming_ctrl(struct dvb_frontend *fe, int onoff)
adap_state->ep6_clockphase,
0, 0);
mxl_fail(ret);
-#if 0
} else {
ret = mxl111sf_disable_656_port(state);
mxl_fail(ret);
-#endif
}
+ mxl111sf_read_reg(state, 0x12, &tmp);
+ tmp &= ~0x04;
+ mxl111sf_write_reg(state, 0x12, tmp);
+
return ret;
}
--
http://palosaari.fi/
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