ea9fab904b
Most of the patches were backpoprts from the mainline kernel and are integrated upstream now. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
26 lines
931 B
Diff
26 lines
931 B
Diff
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
|
|
@@ -202,6 +202,10 @@ 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);
|