Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> writes: > > BTW unless I'm misreading the i386 code it'll not fail here, but > > allocate memory. Surely that will cause failures later if you > > rely on it failing? If you don't rely on it then changing x86-64 > > will also not help you. > > Eww that'll do strange things. > In theory I could change i386 too to return NULL in this case (dma_mask == NULL). But I wonder how how many existing PCMCIA drivers I would break this way? Probably needs more testing at least. My current patch is in ftp://ftp.firstfloor.org/pub/ak/x86_64/late-merge/patches/dma-alloc-mask > Ok so we do in fact need some kind of proper way to ask if a device is > DMA capable ? Right now it seems to be (dev->dma_mask != NULL) -Andi - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
