Subject: Re: [PATCH 03/22] ARM: omap1: move omap15xx local bus handling to usb.c

From: Felipe Balbi <[email-masked]>
Date: Fri, 09 Aug 2019 08:32:28 +0300

Arnd Bergmann <[email-masked]> writes:

> The mach/memory.h file only exists to implement a dma offset for "Local
> Bus" devices, and that consists of the OHCI USB controller for practical
> purposes.
>
> The generic dma-mapping interface has gained this exact feature some
> years ago and can do it much more efficiently, so replace the complex
> __arch_virt_to_dma/__arch_dma_to_pfn/... logic with a much simpler boot
> time initialization.
>
> This should also make any code that performs dma mapping calls at
> runtime much more efficient, by eliminating the strcmp() along with
> the computation.
>
> Similar, a portion of the ohci-omap driver is just there for configuring
> the memory translation, this too can get moved into usb.c
>
> Signed-off-by: Arnd Bergmann <[email-masked]>

For all of these patches related to usb:

Acked-by: Felipe Balbi <[email-masked]>

Thanks for cleaning this up, Arnd.

-- 
balbi

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