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author | Heikki Krogerus <heikki.krogerus@nokia.com> | 2010-10-29 09:23:27 (GMT) |
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committer | Felipe Balbi <balbi@ti.com> | 2010-11-05 12:17:35 (GMT) |
commit | 19aab56c7f68a577d638a98c019b89420943ee70 (patch) | |
tree | e2b3d88abd4bcf37501260cb38323cf8a5dcd2a2 /drivers/usb/musb/musb_core.c | |
parent | b212091474a5f967979e62c5c24687ee4d0342d9 (diff) | |
download | linux-fsl-qoriq-19aab56c7f68a577d638a98c019b89420943ee70.tar.xz |
usb: musb: Fix handling of spurious SESSREQ
Rely on VBUS being valid on top off B device.
Signed-off-by: Heikki Krogerus <heikki.krogerus@nokia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/musb_core.c')
-rw-r--r-- | drivers/usb/musb/musb_core.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 7827717..e6669fc 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -552,7 +552,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb, if (int_usb & MUSB_INTR_SESSREQ) { void __iomem *mbase = musb->mregs; - if (devctl & MUSB_DEVCTL_BDEVICE) { + if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS + && (devctl & MUSB_DEVCTL_BDEVICE)) { DBG(3, "SessReq while on B state\n"); return IRQ_HANDLED; } |