On 06/16/2014 11:56 PM, Sören Brinkmann wrote: > On Mon, 2014-06-16 at 02:00PM +0900, Jongsung Kim wrote: >> On 06/13/2014 12:44 AM, Sören Brinkmann wrote: >>> This is now clearing all IRQ flags which is probably not what we want >>> here. This is handling RX only. We still want the non-RX interrupts to go to >>> the actual interrupt service routing. >> >> The ISR(Interrupt Status Register) is read only in the interrupt service >> routine, macb_interrupt. But is partially cleared here and there. Further >> handler-functions decide jobs to be done by reading/checking other status >> registers. (e.g., TSR, RSR) So, clearing the ISR after reading looks not >> a bad idea. > > But you are clearing _all_ interrupt flags in the RX NAPI handler. > Doesn't that mean we might miss certain events?
Please inspect my patch again. What I did in the macb_poll is removing statements clearing the Rx-complete interrupt, not clearing all the interrupts. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/