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This bit is set along with the USBINT bit, if the TD on which the error interrupt occurred also had its interrupt on complete (IOC) bit set. UI is set only when IOC set. Add checking UEI to fix miss call isr_tr_complete_handler() when IOC have not set and transfer error happen. Fixes: 26c696c678c4 ("USB: Chipidea: rename struct ci13xxx variables from udc to ci") Cc: stable@vger.kernel.org Acked-by: Peter Chen Signed-off-by: Xu Yang --- Changes in v2: - modify part commit message - add Ack-by tag - add fix tag and cc stable --- drivers/usb/chipidea/udc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 95b697f08a76..e0092c735a75 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -2215,7 +2215,7 @@ static irqreturn_t udc_irq(struct ci_hdrc *ci) } } - if (USBi_UI & intr) + if ((USBi_UI | USBi_UEI) & intr) isr_tr_complete_handler(ci); if ((USBi_SLI & intr) && !(ci->suspended)) {