From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail2.candelatech.com ([208.74.158.173]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZzopM-0004oe-3D for ath10k@lists.infradead.org; Fri, 20 Nov 2015 16:47:11 +0000 Subject: Re: QCA998X not working at all References: <87mvuj585b.fsf@kamboji.qca.qualcomm.com> <1447826363-16818-1-git-send-email-michal.kazior@tieto.com> <1447826363-16818-10-git-send-email-michal.kazior@tieto.com> <564DE65C.9030407@dd-wrt.com> <564DEBBE.1040308@candelatech.com> <564DEC25.1030401@dd-wrt.com> <564DF53C.50009@candelatech.com> <564E02F1.3090306@dd-wrt.com> <564E130D.4080201@dd-wrt.com> <87wptcsx8b.fsf@kamboji.qca.qualcomm.com> <564F428B.7050703@dd-wrt.com> From: Ben Greear Message-ID: <564F4E4A.106@candelatech.com> Date: Fri, 20 Nov 2015 08:46:02 -0800 MIME-Version: 1.0 In-Reply-To: <564F428B.7050703@dd-wrt.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Sebastian Gottschall , Kalle Valo Cc: ath10k@lists.infradead.org On 11/20/2015 07:55 AM, Sebastian Gottschall wrote: > > the patch subjected with: ath10k: use pre-allocated DMA buffer in Tx > must be reverted. > it will lead to out of memory when using multiple cards on ipq806x. it seems that there isnt enough dma buffer available on this platform > reverting this patch will fix it Maybe it can be re-implemented so that it uses the old behaviour if the allocation fails. That way, we can still get performance improvement on systems that have the DMA buffer space available? Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k