* Re: [PATCH 4.3] ath10k: fix DMA related firmware crashes on multiple devices [not found] <1442176540-34973-1-git-send-email-nbd@openwrt.org> @ 2015-09-14 7:00 ` Kalle Valo 2015-09-14 7:11 ` Felix Fietkau 0 siblings, 1 reply; 3+ messages in thread From: Kalle Valo @ 2015-09-14 7:00 UTC (permalink / raw) To: Felix Fietkau; +Cc: linux-wireless, ath10k Felix Fietkau <nbd@openwrt.org> writes: > Some platforms really don't like DMA bursts of 256 bytes, and this > causes the firmware to crash when sending beacons. > Also, changing this based on the firmware version does not seem to make > much sense, so use 128 bytes for all versions. > > Cc: stable@vger.kernel.org > Signed-off-by: Felix Fietkau <nbd@openwrt.org> Nice, good catch! Just to make sure, this fixes the issues some people have reported that 10.1 firmware works but 10.2 firmware crashes when starting beaconing? -- Kalle Valo _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 4.3] ath10k: fix DMA related firmware crashes on multiple devices 2015-09-14 7:00 ` [PATCH 4.3] ath10k: fix DMA related firmware crashes on multiple devices Kalle Valo @ 2015-09-14 7:11 ` Felix Fietkau 2015-09-14 7:46 ` Kalle Valo 0 siblings, 1 reply; 3+ messages in thread From: Felix Fietkau @ 2015-09-14 7:11 UTC (permalink / raw) To: Kalle Valo; +Cc: linux-wireless, ath10k On 2015-09-14 09:00, Kalle Valo wrote: > Felix Fietkau <nbd@openwrt.org> writes: > >> Some platforms really don't like DMA bursts of 256 bytes, and this >> causes the firmware to crash when sending beacons. >> Also, changing this based on the firmware version does not seem to make >> much sense, so use 128 bytes for all versions. >> >> Cc: stable@vger.kernel.org >> Signed-off-by: Felix Fietkau <nbd@openwrt.org> > > Nice, good catch! Just to make sure, this fixes the issues some people > have reported that 10.1 firmware works but 10.2 firmware crashes when > starting beaconing? Yes. I was able to reproduce that issue myself on a Gateworks Laguna device, which is among the affected devices reported in that email thread. This patch fixes it for me. - Felix _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH 4.3] ath10k: fix DMA related firmware crashes on multiple devices 2015-09-14 7:11 ` Felix Fietkau @ 2015-09-14 7:46 ` Kalle Valo 0 siblings, 0 replies; 3+ messages in thread From: Kalle Valo @ 2015-09-14 7:46 UTC (permalink / raw) To: Felix Fietkau; +Cc: linux-wireless, ath10k Felix Fietkau <nbd@openwrt.org> writes: > On 2015-09-14 09:00, Kalle Valo wrote: >> Felix Fietkau <nbd@openwrt.org> writes: >> >>> Some platforms really don't like DMA bursts of 256 bytes, and this >>> causes the firmware to crash when sending beacons. >>> Also, changing this based on the firmware version does not seem to make >>> much sense, so use 128 bytes for all versions. >>> >>> Cc: stable@vger.kernel.org >>> Signed-off-by: Felix Fietkau <nbd@openwrt.org> >> >> Nice, good catch! Just to make sure, this fixes the issues some people >> have reported that 10.1 firmware works but 10.2 firmware crashes when >> starting beaconing? > > Yes. I was able to reproduce that issue myself on a Gateworks Laguna > device, which is among the affected devices reported in that email > thread. This patch fixes it for me. Awesome. Can you please resend this and CC ath10k@lists.infradead.org (as well as linux-wireless) so that I get this to the correct patchwork project? I'll then send it forward to 4.3. -- Kalle Valo _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k ^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-09-14 7:00 ` [PATCH 4.3] ath10k: fix DMA related firmware crashes on multiple devices Kalle Valo
2015-09-14 7:11 ` Felix Fietkau
2015-09-14 7:46 ` Kalle Valo
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