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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=1254856c07e0e5707d3291f625db8ed69a866be2'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools?id=1254856c07e0e5707d3291f625db8ed69a866be2'>tools</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing?id=1254856c07e0e5707d3291f625db8ed69a866be2'>testing</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests?id=1254856c07e0e5707d3291f625db8ed69a866be2'>selftests</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc?id=1254856c07e0e5707d3291f625db8ed69a866be2'>powerpc</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/math?id=1254856c07e0e5707d3291f625db8ed69a866be2'>math</a>/<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/math/.gitignore?id=1254856c07e0e5707d3291f625db8ed69a866be2'>.gitignore</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/tools/testing/selftests/powerpc/math/.gitignore?id=1254856c07e0e5707d3291f625db8ed69a866be2&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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<tr><th>author</th><td>Tony Lindgren <tony@atomide.com></td><td class='right'>2017-01-24 09:18:57 -0600</td></tr>
<tr><th>committer</th><td>Greg Kroah-Hartman <gregkh@linuxfoundation.org></td><td class='right'>2017-01-25 11:02:29 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/xprtrdma/svc_rdma_backchannel.c?id=407788b51db6f6aab499d02420082f436abf3238'>407788b51db6f6aab499d02420082f436abf3238</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/sunrpc/xprtrdma/svc_rdma_backchannel.c?id=407788b51db6f6aab499d02420082f436abf3238'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=407788b51db6f6aab499d02420082f436abf3238'>b2fb3c885baf47cd2bd8ee0429f423b352e11905</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/sunrpc/xprtrdma/svc_rdma_backchannel.c?id=407788b51db6f6aab499d02420082f436abf3238'>net/sunrpc/xprtrdma/svc_rdma_backchannel.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/xprtrdma/svc_rdma_backchannel.c?id=7a308bb3016f57e5be11a677d15b821536419d36'>7a308bb3016f57e5be11a677d15b821536419d36</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sunrpc/xprtrdma/svc_rdma_backchannel.c?id=407788b51db6f6aab499d02420082f436abf3238&id2=7a308bb3016f57e5be11a677d15b821536419d36'>diff</a>)</td></tr></table>
<div class='commit-subject'>usb: musb: Fix host mode error -71 regression</div><div class='commit-msg'>Commit 467d5c980709 ("usb: musb: Implement session bit based runtime PM for
musb-core") started implementing musb generic runtime PM support by
introducing devctl register session bit based state control.
This caused a regression where if a USB mass storage device is connected
to a USB hub, we can get:
usb 1-1: reset high-speed USB device number 2 using musb-hdrc
usb 1-1: device descriptor read/64, error -71
usb 1-1.1: new high-speed USB device number 4 using musb-hdrc
This is because before the USB storage device is connected, musb is
in OTG_STATE_A_SUSPEND. And we currently only set need_finish_resume
in musb_stage0_irq() and the related code calling finish_resume_work
in musb_resume() and musb_runtime_resume() never gets called.
To fix the issue, we can call schedule_delayed_work() directly in
musb_stage0_irq() to have finish_resume_work run.
And we should no longer never get interrupts when when suspended.
We have changed musb to no longer need pm_runtime_irqsafe().
The need_finish_resume flag was added in commit 9298b4aad37e ("usb:
musb: fix device hotplug behind hub") and no longer applies as far
as I can tell. So let's just remove the earlier code that no longer
is needed.
Fixes: 467d5c980709 ("usb: musb: Implement session bit based runtime PM for musb-core")
Reported-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=407788b51db6f6aab499d02420082f436abf3238'>Diffstat</a> (limited to 'net/sunrpc/xprtrdma/svc_rdma_backchannel.c')</div><table summary='diffstat' class='diffstat'>