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authorJohan Hovold <johan@kernel.org>2014-11-06 18:08:33 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-11-06 12:25:40 -0800
commit2a8cdfde9237c4e1bd7c2e68c415b006491d23cc (patch)
treebad488692ec7149d3b326010b374f2419c80a139 /fs/ocfs2/cluster
parente5452dd4cb93b04b704eb6d4e7623178715f17ce (diff)
USB: cdc-acm: add quirk for control-line state requests
Add new quirk for devices that cannot handle control-line state requests. Note that we currently send these requests to all devices, regardless of whether they claim to support it, but that errors are only logged if support is claimed. Since commit 0943d8ead30e ("USB: cdc-acm: use tty-port dtr_rts"), which only changed the timings for these requests slightly, this has been reported to cause occasional firmware crashes on Simtec Electronics Entropy Key devices after re-enumeration. Enable the quirk for this device. Reported-by: Nix <nix@esperi.org.uk> Tested-by: Nix <nix@esperi.org.uk> Cc: stable <stable@vger.kernel.org> # v3.16 Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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