Re: [PATCH] usb: musb: use the new %pa format specifier fordma_addr_t
From: Joe Perches
Date: Sat Jun 01 2013 - 18:16:19 EST
On Sat, 2013-06-01 at 14:56 -0700, Randy Dunlap wrote:
> It's a bit of a shame that this
> comment was deleted from include/asm-generic/types.h in commit
> 3e50594e8e72932ad4cfcb0b3cbdf58fc3bce416:
>
> -/*
> - * DMA addresses may be very different from physical addresses
> - * and pointers. i386 and powerpc may have 64 bit DMA on 32 bit
> - * systems, while sparc64 uses 32 bit DMA addresses for 64 bit
> - * physical addresses.
> - * This default defines dma_addr_t to have the same size as
> - * phys_addr_t, which is the most common way.
> - * Do not define the dma64_addr_t type, which never really
> - * worked.
> - */
Hey Randy.
You could always put it back.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/