> Nicolas Pitre wrote: > > Furthermore the same highmem issues were reported to occur on an OMAP > system with the filesystem on a MMC card i.e. different CPU manufacturer > with a different block device driver. > > So the issue really seems to be about ARMv5 (works) vs ARMv6 (doesn't > work), which makes some sense given the huge difference between both > cache models. >
Adding a cache flush before starting MMC DMA solves the problem for me, so dumping cache contents can give some clues to the problem. Does anyone have access to a debugger which can dump cache contents. Thanks Hemanth -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
