From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey.Brodkin@synopsys.com (Alexey Brodkin) Date: Wed, 5 Jul 2017 09:23:20 +0000 Subject: [PATCH] arc: remove num-slots from arc platforms In-Reply-To: <60e74059-85ab-3cb9-1008-57bb1ba496a6@samsung.com> References: <1499238645-29178-1-git-send-email-shawn.lin@rock-chips.com> <1499245508.4224.13.camel@synopsys.com> <60e74059-85ab-3cb9-1008-57bb1ba496a6@samsung.com> List-ID: Message-ID: <1499246600.4224.19.camel@synopsys.com> To: linux-snps-arc@lists.infradead.org Hi?Jaehoon, On Wed, 2017-07-05@18:13 +0900, Jaehoon Chung wrote: > Hi Alexey, > > On 07/05/2017 06:05 PM, Alexey Brodkin wrote: > > > > Hi Shawn, > > > > On Wed, 2017-07-05@15:10 +0800, Shawn Lin wrote: > > > > > > dwmmc driver deprecated num-slots and plan to get rid > > > of it finally. Just move a step to cleanup it from DT. > > > > Hm, that's interesting. > > In our upcoming devboard (HSDK, see > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.infradead.org_pipermail_linux-2Dsnps-2Darc_2017-2DJuly_002667.html&d=DwICaQ&c=DPL6_X_6Jk > > XFx7AXWqB0tg&r=lqdeeSSEes0GFDDl656eViXO7breS55ytWkhpk5R81I&m=b7bMsqUn3obLZnR09LeBC0q6AouAgBH_cIlb0VcM43U&s=yMZ4dGcco3uL5H1m51kiI8d2sF6MCA_IdFwT326 > > IOGk&e= ) > > we do use 2 slots of DW MobileStorage controller (even though it's not yet > > mentioned in its .dts). > > I didn't see about multiple slot for dwmmc controller. I was about to add a second SD-card slot to hsdk.dts once we have a peripheral attached to it working. > > So the question is if multi-slot support gets removed from dwmmc driver or > > it's just a .dts option gets obsoleted. In latter case I'm wondering how to > > enable a second slot in dwmmc driver (will it just auto-probe it etc)? > > In dwmmc controller, already removed the multiple slot concept. Too bad for us as the second slot is attached to SDIO peripheral we really need. What was a reason to get rid of multi-slot support on DW MMC? -Alexey