>-----Original Message----- >From: Arjan van de Ven [mailto:[email protected]] >Sent: Saturday, April 02, 2011 11:22 PM >To: Gao, Yunpeng >Cc: [email protected]; [email protected] >Subject: Re: [Meego-kernel] [RFC/PATCH] sdhci-pci: add 8-bit bus width >support for mrst hc0 > >On 4/1/2011 8:49 PM, Gao, Yunpeng wrote: >>> If only set MMC_CAP_8_BIT_DATA, not hook platform_8bit_width, I will >get >>> the fllowing message. >>> The reason is ios->bus_width != MMC_BUS_WIDTH_8 and host->version< >>> SDHCI_SPEC_300 in drivers/mmc/host/sdhci.c, sdhci_set_ios(). >> I see. What I checked yesterday is not MeeGo kernel code and caused some >mis-understanding on this. >> >> Now, I think this patch is OK but just want to confirm that did you have >tested it on MRST Langwell B0 and Langwell C0 platform? >> I recalled that seems Langwell B0 does not support 8bit bus width. So, >maybe it needs to check Silicon version first before set the >MMC_CAP_8_BIT_DATA cap bit, right? > >langwell B0 is not a stepping that goes into products so really don't >bother.
Thanks for the update. Then, I'm fine with this patch. Regards, Yunpeng _______________________________________________ MeeGo-kernel mailing list [email protected] http://lists.meego.com/listinfo/meego-kernel
