linux-kernel - Re: [PATCH v8 1/3] usb: make xhci platform driver use 64 bit or 32 bit DMA

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Message-ID: <CADaLND=XynHAMxiCpvZhH7MyY+NrY3QW7JUiTarp_FgVpAHjJw@mail.gmail.com>
Date:	Thu, 17 Sep 2015 13:29:39 -0700
From:	Duc Dang <dhdang@....com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm <linux-arm-kernel@...ts.infradead.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Loc Ho <lho@....com>, mathias.nyman@...el.com,
	Feng Kan <fkan@....com>, Mark Langsdorf <mlangsdo@...hat.com>,
	USB list <linux-usb@...r.kernel.org>,
	patches <patches@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v8 1/3] usb: make xhci platform driver use 64 bit or 32
 bit DMA

On Thu, Sep 17, 2015 at 12:51 PM, Arnd Bergmann <arnd@...db.de> wrote:
> On Thursday 17 September 2015 11:19:46 Duc Dang wrote:
>> The xhci platform driver needs to work on systems that
>> either only support 64-bit DMA or only support 32-bit DMA.
>> Attempt to set a coherent dma mask for 64-bit DMA, and
>> attempt again with 32-bit DMA if that fails.
>>
>> [dhdang: regenerate the patch over v4.3-rc1 and address new comments]
>> Signed-off-by: Mark Langsdorf <mlangsdo@...hat.com>
>> Tested-by: Mark Salter <msalter@...hat.com>
>> Signed-off-by: Duc Dang <dhdang@....com>
>>
>
> Acked-by: Arnd Bergmann <arnd@...db.de>

Thanks, Arnd.

-- 
Regards,
Duc Dang.
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