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-rw-r--r--target/linux/sunxi/patches-4.14/115-musb-ignore-vbus-errors.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-4.14/115-musb-ignore-vbus-errors.patch b/target/linux/sunxi/patches-4.14/115-musb-ignore-vbus-errors.patch
new file mode 100644
index 0000000000..ea9187e375
--- /dev/null
+++ b/target/linux/sunxi/patches-4.14/115-musb-ignore-vbus-errors.patch
@@ -0,0 +1,26 @@
+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);