On Friday 29 January 2010 10:59:28 Wolfgang Wegner wrote: > I am trying to get the spi_mmc driver by Robert Selberg and Hans Eklund > to run on my new Coldfire board. (The driver was posted as a patch some > time ago, clearly marked as not ready for mainline. I just did not figure > out the correct search term to give the message ID.) > > Now I am running into problems because the driver uses spi_cs_[de]activate, > which is rather useless on coldfire which does automatic cs. > > Looking through other drivers' code it seems to me that spi_cs_[de]activate > was never meant to be called from anybody else but some special SPI > drivers that can not aotumatically control cs lines or for systems > where SPI is done in software and so setting the appropriate GPIOs > is handed over to special board-dependent code.
there are plenty of SPI controllers which allow the CS to be manually controlled. this isnt a "special" driver. the MMC/SPI driver was written on a Blackfin system. it working on any other system is coincidental as a result of leveraging the common frameworks. feel free to submit fixes. -mike
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