On Wed, Oct 26, 2011 at 23:05, Ilya Yanok wrote: > What do you think, how should we deal with it? Make all buffers > alligned or implement bounce-buffering inside host driver?
since this is a common issue to most USB controllers, aligning the buffers is probably best. and should be relatively painless. what's the code size before/after your change ? > --- a/common/usb.c > +++ b/common/usb.c > > -static struct devrequest setup_packet; > +static uchar __setup_packet[ALIGN(sizeof(struct devrequest), > + ARCH_DMA_MINALIGN)] > + __aligned(ARCH_DMA_MINALIGN); > +static struct devrequest * const setup_packet = > + (struct devrequest *)&__setup_packet; i'm not sure about this. why won't this work ? static struct devrequest setup_packet __aligned(ARCH_DMA_MINALIGN); -mike _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot