[PATCH] arm: rpi: perform XHCI firmware upload only once

[nicolas saenz julienne]

On Fri, 2021-09-17 at 10:19 +0200, Marek Szyprowski wrote:
> XHCI firmware upload must be performed only once after initializing the
> PCI bridge. This fixes USB stack initialization after calling "usb stop;
> usb start" on Raspberry Pi 4B.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---

Reviewed-by: Nicolas Saenz Julienne <nsaenz at kernel.org>

Regards,
Nicolas