On Sat, Apr 20, 2013 at 03:31:39PM +0200, Linus Walleij wrote:
> static struct amba_id pl011_ids[] = {
> {
> .id = 0x00341011,
> .mask = 0x00ffffff,
> .data = &vendor_arm_deepfifo,
> },
> (...)
> };
>
> As you can see in amba_lookup() in
> drivers/amba/bus.c the table is traversed from the top,
> so for the new "3" variant this entry will match, while the
> next entry will match all older versions.
This isn't equivalent - this will only match variant 3, not any later
ones. The original patch uses the deep fifo for variant 3 or larger.
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