On 11/15/2017 05:18 PM, Goldschmidt Simon wrote: > Marek Vasut wrote: >> Why don't you just fix the cache operations in the driver ? > > This driver is copying CPU only. There are no cache operations involved! > Vignesh added the bounce buffer obviously to fix alignment issues on > his platform. > >> This bounce-buffer for only CPU operations is just wasting CPU cycles >> and degrades performance and I just cannot find a good reason for it. > > I only thought using the bounce buffer here would be better than to > add memcpy/memmove for alignment reasons in the driver (in terms > of possible code duplication). > > I can of course implement this in a different way.
So what alignment problems do you observe ? If you copy using the CPU only, why do you need the bounce buffer at all ? I don't quite get it. -- Best regards, Marek Vasut _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
