Re: [U-Boot] [PATCH 2/2] ehci-hcd.c, musb_core, usb.h: Add USB_DMA_MINALIGN define for cache alignment

Dear Marek,

On Tue, Jul 10, 2012 at 5:55 AM, Marek Vasut marex@denx.de wrote:

...

...

•   invalidate_dcache_range((uint32_t)buffer,
  

•           ALIGN_END_ADDR(u8, buffer, length));
  

We shouldn't use ALIGN_END_ADDR here. This can lead to strange results on systems with ARCH_DMA_MINALIGN < 32.

Good point, ALIGN_END_ADDR should align it to max(32, length) ?

Hm.. no, actually we should align buffer length to ARCH_DMA_MINALIGN.

Regards, Ilya.