Re: [PATCH] 3/5: Updates to SPI and mmc_spi: tx_default, kernel 2.6.19

2007-01-25 Thread David Brownell
On Wednesday 24 January 2007 8:52 pm, Hans-Peter Nilsson wrote: > (Please CC me on replies, I'm not subscribed to LKML or the SPI list. > Thanks.) > > The SD/MMC SPI-based protocol isn't really duplex. In the > normal case there's either information transmitted or received, > not both simultane

[PATCH] 3/5: Updates to SPI and mmc_spi: tx_default, kernel 2.6.19

2007-01-24 Thread Hans-Peter Nilsson
(Please CC me on replies, I'm not subscribed to LKML or the SPI list. Thanks.) The SD/MMC SPI-based protocol isn't really duplex. In the normal case there's either information transmitted or received, not both simultaneously. The unused data is always 0xff; ones. Unfortunately, the SPI framewor