On Thu, Jul 16, 2009 at 08:15:29AM +0100, Russell King - ARM Linux wrote: > On Wed, Jul 15, 2009 at 09:33:26PM +0200, Alessandro Rubini wrote: > > >> The issue was discussed with Russell King on linux-arm-kernel. > > > > > > Gee, but not with the author of that driver or the maintainer of > > > the SPI framework. Who could have pointed out instantly where > > > the true bug resides. > > > > So, where is it? I don't get it I'm sorry. > > Clearly David has no knowledge of DMA cache line handing and has not > read the DMA API document. I really suggest that you ignore him until > he gets a fucking clue. ... and until that happens, I suggest you remove the ADS7846 chip from your hardware; as that DMA stuff in the driver currently stands, it can NEVER work on ARM or any other DMA cache incoherent CPU which uses DMA for SPI transfers. -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
