When using DMA keep fifo empty interrupt disabled. Otherwise core is flooded by interrupts. Signed-off-by: Gregory Herrero <gregory.herrero@xxxxxxxxx> Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@xxxxxxxxx> --- drivers/usb/dwc2/gadget.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 0b3c571..5d3af1d 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2177,8 +2177,8 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg) * interrupts. */ - writel(((hsotg->dedicated_fifos) ? DIEPMSK_TXFIFOEMPTY | - DIEPMSK_INTKNTXFEMPMSK : 0) | + writel(((hsotg->dedicated_fifos && !using_dma(hsotg)) ? + DIEPMSK_TXFIFOEMPTY | DIEPMSK_INTKNTXFEMPMSK : 0) | DIEPMSK_EPDISBLDMSK | DIEPMSK_XFERCOMPLMSK | DIEPMSK_TIMEOUTMSK | DIEPMSK_AHBERRMSK | DIEPMSK_INTKNEPMISMSK, -- 1.9.1 ---------------------------------------------------------------------- Intel Sweden AB Registered Office: Knarrarnasgatan 15, 164 40 Kista, Stockholm, Sweden Registration Number: 556189-6027 This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html