diff options
| -rw-r--r-- | drivers/usb/chipidea/core.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index ab01e18bc2f8..e9cfd3193d65 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -199,6 +199,12 @@ static int hw_device_init(struct ci_hdrc *ci, void __iomem *base) if (ci->hw_ep_max > ENDPT_MAX) return -ENODEV; + /* Disable all interrupts bits */ + hw_write(ci, OP_USBINTR, 0xffffffff, 0); + + /* Clear all interrupts status bits*/ + hw_write(ci, OP_USBSTS, 0xffffffff, 0xffffffff); + dev_dbg(ci->dev, "ChipIdea HDRC found, lpm: %d; cap: %p op: %p\n", ci->hw_bank.lpm, ci->hw_bank.cap, ci->hw_bank.op); @@ -434,8 +440,11 @@ static void ci_get_otg_capable(struct ci_hdrc *ci) ci->is_otg = (hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC | DCCPARAMS_HC) == (DCCPARAMS_DC | DCCPARAMS_HC)); - if (ci->is_otg) + if (ci->is_otg) { dev_dbg(ci->dev, "It is OTG capable controller\n"); + ci_disable_otg_interrupt(ci, OTGSC_INT_EN_BITS); + ci_clear_otg_interrupt(ci, OTGSC_INT_STATUS_BITS); + } } static int ci_hdrc_probe(struct platform_device *pdev) |