When using DMA keep fifo empty interrupt disabled. Otherwise
core is flooded by interrupts.

Signed-off-by: Gregory Herrero <gregory.herr...@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kau...@intel.com>
---
 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 majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to