OpenWrt – Blame information for rev 4

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4 office 1 From fce20ac5d8c98f1a8ea5298051d9fa669e455f04 Mon Sep 17 00:00:00 2001
2 From: Hans de Goede <hdegoede@redhat.com>
3 Date: Tue, 4 Aug 2015 23:22:45 +0200
4 Subject: [PATCH] musb: sunxi: Ignore VBus errors in host-only mode
5  
6 For some unclear reason sometimes we get VBus errors in host-only mode,
7 even though we do not have any vbus-detection then. Ignore these.
8  
9 Signed-off-by: Hans de Goede <hdegoede@redhat.com>
10 ---
11 drivers/usb/musb/sunxi.c | 4 ++++
12 1 file changed, 4 insertions(+)
13  
14 --- a/drivers/usb/musb/sunxi.c
15 +++ b/drivers/usb/musb/sunxi.c
16 @@ -192,6 +192,10 @@ static irqreturn_t sunxi_musb_interrupt(
17 musb_writeb(musb->mregs, MUSB_FADDR, 0);
18 }
19  
20 + /* Ignore Vbus errors when in host only mode */
21 + if (musb->port_mode == MUSB_PORT_MODE_HOST)
22 + musb->int_usb &= ~MUSB_INTR_VBUSERROR;
23 +
24 musb->int_tx = readw(musb->mregs + SUNXI_MUSB_INTRTX);
25 if (musb->int_tx)
26 writew(musb->int_tx, musb->mregs + SUNXI_MUSB_INTRTX);