diff options
| author | Yoshihiro Shimoda <[email protected]> | 2018-04-10 14:38:54 +0900 |
|---|---|---|
| committer | Felipe Balbi <[email protected]> | 2018-05-21 10:36:14 +0300 |
| commit | bd6bce004d78b867ba0c6d3712f1c5b50398af9a (patch) | |
| tree | 6211369abba91f986dc55c2755fbaf2f2468aa3b | |
| parent | 0259068f63f23a665ded28647f2f9cdb6b20dc72 (diff) | |
usb: gadget: udc: renesas_usb3: disable the controller's irqs for reconnecting
This patch fixes an issue that reconnection is possible to fail
because unexpected state handling happens by the irqs. To fix the issue,
the driver disables the controller's irqs when disconnected.
Fixes: 746bfe63bba3 ("usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller")
Cc: <[email protected]> # v4.5+
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
| -rw-r--r-- | drivers/usb/gadget/udc/renesas_usb3.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 5d5a5d9e3669..2bb2cca5ca82 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -623,6 +623,13 @@ static void usb3_disconnect(struct renesas_usb3 *usb3) usb3_usb2_pullup(usb3, 0); usb3_clear_bit(usb3, USB30_CON_B3_CONNECT, USB3_USB30_CON); usb3_reset_epc(usb3); + usb3_disable_irq_1(usb3, USB_INT_1_B2_RSUM | USB_INT_1_B3_PLLWKUP | + USB_INT_1_B3_LUPSUCS | USB_INT_1_B3_DISABLE | + USB_INT_1_SPEED | USB_INT_1_B3_WRMRST | + USB_INT_1_B3_HOTRST | USB_INT_1_B2_SPND | + USB_INT_1_B2_L1SPND | USB_INT_1_B2_USBRST); + usb3_clear_bit(usb3, USB_COM_CON_SPD_MODE, USB3_USB_COM_CON); + usb3_init_epc_registers(usb3); if (usb3->driver) usb3->driver->disconnect(&usb3->gadget); |