On Wed, Sep 12, 2012 at 03:19:18AM +0000, Huang Changming-R66093 wrote: [...] > I don't think it is the best way to do it. For the VVN2.2 or older, > some silicon support this feature (mpc8536 and p2020), but other > silicones don't support it (e.g. p4080, p102x). Though, the current > p5/p4/p3 has supported this feature, can we sure the future silicon > support it? So I think the best way is to specify it in device tree > as 'sdhci,auto-cmd12' In addition to your current patches, you could just add another patch that blacklists affected SOC revisions based on the info from PVR/SVR. For example, see gfar_detect_errata() in drivers/net/ethernet/freescale/gianfar.c. That way you could help users that don't have the newest device trees. Thanks, Anton. -- 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