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path: root/drivers/usb/musb/sunxi.c
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Diffstat (limited to 'drivers/usb/musb/sunxi.c')
-rw-r--r--drivers/usb/musb/sunxi.c25
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index 1408245be18e..d0be0eadd0d9 100644
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -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);
@@ -390,6 +380,20 @@ static int sunxi_musb_set_mode(struct musb *musb, u8 mode)
return 0;
}
+static int sunxi_musb_recover(struct musb *musb)
+{
+ struct sunxi_glue *glue = dev_get_drvdata(musb->controller->parent);
+
+ /*
+ * Schedule a phy_set_mode with the current glue->phy_mode value,
+ * this will force end the current session.
+ */
+ set_bit(SUNXI_MUSB_FL_PHY_MODE_PEND, &glue->flags);
+ schedule_work(&glue->work);
+
+ return 0;
+}
+
/*
* sunxi musb register layout
* 0x00 - 0x17 fifo regs, 1 long per fifo
@@ -618,6 +622,7 @@ static const struct musb_platform_ops sunxi_musb_ops = {
.dma_init = sunxi_musb_dma_controller_create,
.dma_exit = sunxi_musb_dma_controller_destroy,
.set_mode = sunxi_musb_set_mode,
+ .recover = sunxi_musb_recover,
.set_vbus = sunxi_musb_set_vbus,
.pre_root_reset_end = sunxi_musb_pre_root_reset_end,
.post_root_reset_end = sunxi_musb_post_root_reset_end,