diff options
Diffstat (limited to 'drivers/usb/musb/da8xx.c')
-rw-r--r-- | drivers/usb/musb/da8xx.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 0397606a211b..b8295ce7c4fe 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -284,7 +284,15 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci) musb->xceiv->otg->state = OTG_STATE_A_WAIT_VRISE; portstate(musb->port1_status |= USB_PORT_STAT_POWER); del_timer(&musb->dev_timer); - } else { + } else if (!(musb->int_usb & MUSB_INTR_BABBLE)) { + /* + * When babble condition happens, drvvbus interrupt + * is also generated. Ignore this drvvbus interrupt + * and let babble interrupt handler recovers the + * controller; otherwise, the host-mode flag is lost + * due to the MUSB_DEV_MODE() call below and babble + * recovery logic will not be called. + */ musb->is_active = 0; MUSB_DEV_MODE(musb); otg->default_a = 0; @@ -512,7 +520,7 @@ static int da8xx_probe(struct platform_device *pdev) if (!glue) return -ENOMEM; - clk = devm_clk_get(&pdev->dev, "usb20"); + clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(clk)) { dev_err(&pdev->dev, "failed to get clock\n"); return PTR_ERR(clk); |