Messages in this thread | | | Date | Wed, 1 Feb 2006 09:29:34 +0000 | From | Russell King <> | Subject | Re: Purpose of MMC_DATA_MULTI? |
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On Wed, Feb 01, 2006 at 07:40:26AM +0100, Pierre Ossman wrote: > I noticed that a new transfer flag was recently added to the MMC layer > without any immediate users, the MMC_DATA_MULTI flag. I'm guessing the > purpose of the flag is to indicate the difference between > MMC_READ_SINGLE_BLOCK and MMC_READ_MULTIPLE_BLOCKS with just one block. > If so, then that should probably be mentioned in a comment somewhere.
There are hosts out there (Atmel AT91-based) which need to know if the transfer is going to be multiple block. Rather than have them test the op-code (which is what they're already doing), we provide a flag instead.
-- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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