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Date: Thu, 30 Aug 2018 03:40:13 -0700 From: Guenter Roeck <linux@...ck-us.net> To: Christoph Hellwig <hch@....de> Cc: iommu@...ts.linux-foundation.org, Robin Murphy <robin.murphy@....com>, Meelis Roos <mroos@...ux.ee>, Linus Walleij <linus.walleij@...aro.org>, sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org 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. Guenter
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