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- From fce20ac5d8c98f1a8ea5298051d9fa669e455f04 Mon Sep 17 00:00:00 2001
- From: Hans de Goede <hdegoede@redhat.com>
- Date: Tue, 4 Aug 2015 23:22:45 +0200
- Subject: [PATCH] musb: sunxi: Ignore VBus errors in host-only mode
- For some unclear reason sometimes we get VBus errors in host-only mode,
- even though we do not have any vbus-detection then. Ignore these.
- Signed-off-by: Hans de Goede <hdegoede@redhat.com>
- ---
- drivers/usb/musb/sunxi.c | 4 ++++
- 1 file changed, 4 insertions(+)
- --- a/drivers/usb/musb/sunxi.c
- +++ b/drivers/usb/musb/sunxi.c
- @@ -192,6 +192,10 @@ static irqreturn_t sunxi_musb_interrupt(
- musb_writeb(musb->mregs, MUSB_FADDR, 0);
- }
-
- + /* Ignore Vbus errors when in host only mode */
- + if (musb->port_mode == MUSB_PORT_MODE_HOST)
- + musb->int_usb &= ~MUSB_INTR_VBUSERROR;
- +
- musb->int_tx = readw(musb->mregs + SUNXI_MUSB_INTRTX);
- if (musb->int_tx)
- writew(musb->int_tx, musb->mregs + SUNXI_MUSB_INTRTX);
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