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usb: musb: core: Handle Babble condition only in HOST mode

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BABBLE and RESET share the same interrupt. The interrupt
is considered to be RESET if MUSB is in peripheral mode and
as a BABBLE if MUSB is in HOST mode.

Handle babble condition iff MUSB is in HOST mode.

Fixes: ca88fc2ef0 (usb: musb: add a work_struct to recover from babble errors)
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
George Cherian 2014-05-26 14:50:08 +05:30 committed by Felipe Balbi
parent f0cae93f3f
commit 5d881802c4
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/musb/musb_core.c
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@ -849,7 +849,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
}
/* handle babble condition */
if (int_usb & MUSB_INTR_BABBLE)
if (int_usb & MUSB_INTR_BABBLE && is_host_active(musb))
schedule_work(&musb->recover_work);
#if 0