On Jan 9, 2008 4:49 AM, Pierre Ossman <[EMAIL PROTECTED]> wrote: > On Tue, 8 Jan 2008 14:40:49 -0500 > Mike Frysinger <[EMAIL PROTECTED]> wrote: > > > > > i dont understand what's confusing. the Blackfin on chip host controller > > only > > supports 1-bit MMC, but it supports 4-bit SD/SDIO. this is a fact. while > > it > > may be a stupid decision, it is what it is, and i need the framework made > > more flexible in order to get the Blackfin driver merged cleanly. we do > > software for hardware, we dont do hardware. > > Well, since I've seen no _hardware_ differences between 4-bit MMC and 4-bit > SD, "support" in this case must me "vendor will guarantee it works". And that > is not the kind of "support" that needs a distinction in the code. > > So, again, if you feel that there is a hardware difference between 4-bit MMC > and 4-bit SD then please elaborate as it is my understanding that they are > identical. >
As Mike said, the reason split this flag is because Blackfin on-chip SDIO controller's limitation. Cliff is working on it for a long time, so I dropped him in. Hope he can clarify the confusing things. Thanks -Bryan Wu -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/