musb: sunxi: Remove custom babble handling

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>

diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index 1408245be18e0402c9170ecedcb6f9e2c0b524f1..82eba92284c0cf370b0f9193ca5ef0d2624f8347 100644 (file)
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -186,16 +186,6 @@ static irqreturn_t sunxi_musb_interrupt(int irq, void *__hci)
        if (musb->int_usb)
                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)) {
                /* ep0 FADDR must be 0 when (re)entering peripheral mode */
                musb_ep_select(musb->mregs, 0);