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musb: sunxi: Remove custom babble handling

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The musb core already handles babble interrupts, so the sunxi glue
having its own custom handling is redundant.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2016-11-21 08:59:22 -06:00 committed by Greg Kroah-Hartman
parent 6532279780
commit d24b63abf4
1 changed files with 0 additions and 10 deletions
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10
drivers/usb/musb/sunxi.c
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@ -186,16 +186,6 @@ static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci)
if (musb->int_usb) if (musb->int_usb)
writeb(musb->int_usb, musb->mregs + SUNXI_MUSB_INTRUSB); writeb(musb->int_usb, musb->mregs + SUNXI_MUSB_INTRUSB);
/*
* sunxi musb often signals babble on low / full speed device
* disconnect, without ever raising MUSB_INTR_DISCONNECT, since
* normally babble never happens treat it as disconnect.
*/
if ((musb->int_usb & MUSB_INTR_BABBLE) && is_host_active(musb)) {
musb->int_usb &= ~MUSB_INTR_BABBLE;
musb->int_usb |= MUSB_INTR_DISCONNECT;
}
if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) { if ((musb->int_usb & MUSB_INTR_RESET) && !is_host_active(musb)) {
/* ep0 FADDR must be 0 when (re)entering peripheral mode */ /* ep0 FADDR must be 0 when (re)entering peripheral mode */
musb_ep_select(musb->mregs, 0); musb_ep_select(musb->mregs, 0);