| commit | 2fbe2bf1fd37f9d99950bd8d8093623cf22cf08b | |
| author | Alan Stern <stern@rowland.harvard.edu> | |
| Wed, 18 Apr 2012 15:33:00 +0000 (18 11:33 -0400) | ||
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | |
| Wed, 18 Apr 2012 20:06:59 +0000 (18 13:06 -0700) | ||
| tree | 838bf037f182521ec1c3ab4871689c6711c1f8a6 | treesnapshot (tar.gz zip) |
| parent | dc75ce9d929aabeb0843a6b1a4ab320e58ba1597 | commitdiff |
EHCI: always clear the STS_FLR status bit
This patch (as1544) fixes a problem affecting some EHCI controllers.
They can generate interrupts whenever the STS_FLR status bit is turned
on, even though that bit is masked out in the Interrupt Enable
register.
Since the driver doesn't use STS_FLR anyway, the patch changes the
interrupt routine to clear that bit whenever it is set, rather than
leaving it alone.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch (as1544) fixes a problem affecting some EHCI controllers.
They can generate interrupts whenever the STS_FLR status bit is turned
on, even though that bit is masked out in the Interrupt Enable
register.
Since the driver doesn't use STS_FLR anyway, the patch changes the
interrupt routine to clear that bit whenever it is set, rather than
leaving it alone.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| drivers/usb/host/ehci-hcd.c | diffblobblamehistory |