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Date:   Thu, 30 Aug 2018 03:40:13 -0700
From:   Guenter Roeck <>
To:     Christoph Hellwig <>
        Robin Murphy <>,
        Meelis Roos <>,
        Linus Walleij <>,,
Subject: Re: various dma_mask fixups

On Wed, Aug 29, 2018 at 03:38:21PM -0700, Guenter Roeck wrote:
> On Wed, Aug 29, 2018 at 08:23:58AM +0200, Christoph Hellwig wrote:
> > Fix warnings and regressions from requiring a dma mask.
> With this series applied, I see the following in my sh4 boot tests.
> sb 1-1: new full-speed USB device number 2 using sm501-usb
> sm501-usb sm501-usb: OHCI Unrecoverable Error, disabled
> sm501-usb sm501-usb: HC died; cleaning up
> This is a persistent problem. Reverting upstream commit 2f606da7823
> ("mfd: sm501: Set coherent_dma_mask when creating subdevices") does not
> make a difference.
This failure is now seen in -next.


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