On Fri, Nov 14, 2014 at 03:52:22PM +0000, Mark Brown wrote: > On Fri, Nov 14, 2014 at 03:40:44PM +0000, Charles Keepax wrote: > > We can only use page_address on memory that has been mapped using kmap, > > when the buffer passed to the SPI has been allocated by vmalloc the page > > has not necessarily been mapped through kmap. This means sometimes > > page_address will return NULL causing the pointer we pass to sg_set_buf > > to be invalid. > > Hrm, this is a bug in the mxs driver (which is where we copied the core > code from) - care to fix that too?
Yeah no problem, won't be able to test it, but should be a fairly trivial change and hopefully someone else can test. > > > As we only call page_address such that we can pass a virtual address to > > s/such/so/ Will ping a respin and include the mxs fixup too. Thanks, Charles -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
