From: Xu Yang Date: Thu, 26 Sep 2024 02:29:04 +0000 (+0800) Subject: usb: chipidea: udc: handle USB Error Interrupt if IOC not set X-Git-Tag: v6.13-rc1~31^2~125 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=548f48b66c0c5d4b9795a55f304b7298cde2a025;p=linux-block.git usb: chipidea: udc: handle USB Error Interrupt if IOC not set As per USBSTS register description about UEI: When completion of a USB transaction results in an error condition, this bit is set by the Host/Device Controller. 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. Acked-by: Peter Chen Signed-off-by: Xu Yang Link: https://lore.kernel.org/r/20240926022906.473319-1-xu.yang_2@nxp.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index f0fcaf2b1f33..fd6032874bf3 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -2217,7 +2217,7 @@ 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)) {