From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:48579 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754246Ab0G3UIR convert rfc822-to-8bit (ORCPT ); Fri, 30 Jul 2010 16:08:17 -0400 From: "Gabay, Benzy" To: Andreas Feuersinger CC: "libertas-dev@lists.infradead.org" , "linux-mmc@vger.kernel.org" , "linux-wireless@vger.kernel.org" Date: Fri, 30 Jul 2010 15:08:06 -0500 Subject: RE: MX27 libertas_sdio SDIO Interrupts vs available bitrate Message-ID: <676FD6AA0F002F49B89E70F0C5EFD22C1311499C43@dlee04.ent.ti.com> References: <20100729124604.79f88553@speedy> In-Reply-To: <20100729124604.79f88553@speedy> Content-Type: text/plain; charset="Windows-1252" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Andreas > -----Original Message----- > From: linux-mmc-owner@vger.kernel.org [mailto:linux-mmc- > owner@vger.kernel.org] On Behalf Of Andreas Feuersinger > Sent: Thursday, July 29, 2010 5:46 AM > To: libertas-dev@lists.infradead.org; linux-mmc@vger.kernel.org; linux- > wireless@vger.kernel.org > Subject: MX27 libertas_sdio SDIO Interrupts vs available bitrate > > > Hi, > > I'm trying to improve throughput of the Marvell 8686 sdio wlan module. > Unfortunately I have to stick with kernel 2.6.22. > > Everything works except for very bad datarate. So far the mxc_mmc > driver does not handle any SDIO interrupts. Could that be the reason > for the bad performance? > > > I figured, it does not make any difference wheter I use DMA for data > transfer or not (odd?) If interrupts are not handled in MMC level and you are disabling DMA operation how then will the transfer completion is handled in that case? > > I get only up to 90K/s. > > > thanks! > > Andreas > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Cheers Benzy Gabay