[U-Boot] [PATCH 2/4] usb: gadget: dwc2: Fix warning over 32bit vs 64bit targets

[Dr. Philipp Tomsich]

> On 27 Jan 2018, at 20:56, Tom Rini <trini at konsulko.com> wrote:
> 
> On Sat, Jan 27, 2018 at 08:52:43PM +0100, Marek Vasut wrote:
>> On 01/27/2018 08:48 PM, Tom Rini wrote:
>>> When we have a driver that is used on both 32bit and 64bit targets and
>>> we are talking about address space we cannot use u64 nor u32 and instead
>>> need to use phys_addr_t.
>> 
>> Can someoneone pass in a pointer above 32bit address range ? That might
>> cause some mess ...
> 
> On rockchip, where this gets used as well, it comes down to writel and a
> warning about "cast from pointer to integer of different size”.

I had submitted a patch to resolve this middle of last year
	https://patchwork.ozlabs.org/patch/783541/
and used the rationale that this change would make the truncation explicit.

I don’t recall why did this didn’t move anywhere, but darkly remember the
discussion veering towards bounce buffers…

Regards,
Philipp.