> On Sep 17, 2012, at 7:36 AM, Chris Ball wrote: > > > Hi, > > > > On Thu, Sep 13 2012, Kumar Gala wrote: > >>>> Can you list out which SoCs support it and which don't. Having > >>>> this list will be useful in understanding which controller versions > supported it. > >>>> > >>> P1020, p1021, p1022, p1024, p1015 and p4080 can't support it. > >>> Mpc8536, p2020, and the other current DPAA silicon (e.g. p5020, p3041) > support it. > >> > >> Based on this, why don't we use the HOSTVER register to detect instead > of device tree: > > > > I've got a mild preference for handling quirk assignment in the DT > > rather than in driver code, so I'd prefer to just push the original > > patch to mmc-next as-is. Does that sound okay? > > Why? I only ask because I agree with Scott that this means you have to > update your device tree to get proper functionality. > When the new silicon does not support CMD23, if we don't update the device tree, then we must update the SDHC driver. I prefer to add the property in device tree, because we just add this property in new device tree, we don't need more effort to modify driver. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
