Santosh, On Mon, Jan 4, 2010 at 12:40 PM, Shilimkar, Santosh <[email protected]> wrote: >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On Behalf Of S, >> Venkatraman >> Sent: Monday, January 04, 2010 12:33 PM >> To: Tony Lindgren >> Cc: Russell King - ARM Linux; Shilimkar, Santosh; Kevin Hilman; >> [email protected]; linux- >> [email protected] >> Subject: Re: [Patch v4] OMAP: sDMA driver: descriptor autoloading feature >> >> On Tue, Dec 29, 2009 at 3:18 AM, Tony Lindgren <[email protected]> wrote: >> > * Venkatraman S <[email protected]> [091211 07:01]: >> >> Here is the most updated version of the patch (thanks to Russell's >> >> review). This patch is applicable to OMAP4xxx as well as OMAP3630 >> >> Reference to previous posts >> >> v1 http://marc.info/?l=linux-omap&m=125012097403050&w=2 >> >> v2 http://marc.info/?l=linux-omap&m=125137152606644&w=2 >> >> v3 http://patchwork.kernel.org/patch/45408/ >> > >> > Do you have a patch for drivers/mmc/host/omap_hsmmc.c to >> > use this feature? Or some other driver? >> > >> > Regards, >> > >> > Tony >> >> I am about to start working on omap_hsmmc to use the descriptor load >> feature. If the DMA changes are acceptable, I can post the driver >> patch as well. > > I don't think doing this for hsmmc makes any sense considering, the IC in > which DMA descriptor > is available( OMAP3630 and OMAP4), the HSMMC controller is already equipped > with its dedicated > DMA controller (ADMA) > > Regards, > Santosh > --
AFAIK, 3630 does not have ADMA feature. In OMAP4, ADMA support is available for MMC controllers 1 and 2 only; the other 3 controllers still use sDMA. Best regards, Venkat. -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
