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Commit d24b63ab authored by Hans de Goede's avatar Hans de Goede Committed by Greg Kroah-Hartman
Browse files

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: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarBin Liu <b-liu@ti.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 65322797

drivers/usb/musb/sunxi.c

+0 −10
Original line number Diff line number Diff line
@@ -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);