From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Tue, 1 Feb 2011 15:05:42 +0000 Subject: [PATCH] mmci: restrict DMA usage to large, even multiblock transfers In-Reply-To: References: <1296556873-2730-1-git-send-email-linus.walleij@linaro.org> <20110201105408.GA31216@n2100.arm.linux.org.uk> <4D47EFB6.5090509@stericsson.com> <20110201114522.GD31216@n2100.arm.linux.org.uk> <20110201115832.GF31216@n2100.arm.linux.org.uk> Message-ID: <20110201150542.GM31216@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Feb 01, 2011 at 03:07:12PM +0100, Linus Walleij wrote: > 2011/2/1 Russell King - ARM Linux : > > > So... I think this patch will work fine on ST variants, returning the > > DMA request signals back to their classic meaning. ?That being LSREQ > > is only activated on the _final_ transfer rather than the last 8 > > transfers, which as Linus describes makes your DMA controller complete > > on the 8th-to-last transfer. > > I've tested this patch on MMC and SD on U8500 and it works > fine, so > Tested-by: Linus Walleij Thanks. Can I apply that to the DMA patch too (and combine this with the main MMCI DMA patch) ?