From: Christoph Hellwig <hch@lst•de>
To: Masahiro Yamada <yamada.masahiro@socionext•com>
Cc: Ulf Hansson <ulf.hansson@linaro•org>,
Tony Lindgren <tony@atomide•com>,
Catalin Marinas <catalin.marinas@arm•com>,
Will Deacon <will.deacon@arm•com>,
Linux Kernel Mailing List <linux-kernel@vger•kernel.org>,
Max Filippov <jcmvbkbc@gmail•com>, Christoph Hellwig <hch@lst•de>,
Marek Szyprowski <m.szyprowski@samsung•com>,
Stephen Rothwell <sfr@canb•auug.org.au>,
Joerg Roedel <joro@8bytes•org>,
Russell King <linux@armlinux•org.uk>,
Thierry Reding <treding@nvidia•com>,
linux-xtensa@linux-xtensa•org, Kees Cook <keescook@chromium•org>,
Nicolin Chen <nicoleotsuka@gmail•com>,
Andrew Morton <akpm@linux-foundation•org>,
linux-arm-kernel <linux-arm-kernel@lists•infradead.org>,
Chris Zankel <chris@zankel•net>,
Wolfram Sang <wsa+renesas@sang-engineering•com>,
Robin Murphy <robin.murphy@arm•com>,
linux-mmc <linux-mmc@vger•kernel.org>,
Adrian Hunter <adrian.hunter@intel•com>,
iommu@lists•linux-foundation.org, iamjoonsoo.kim@lge•com,
David Woodhouse <dwmw2@infradead•org>
Subject: Re: [PATCH v2 2/2] dma-contiguous: Use fallback alloc_pages for single pages
Date: Tue, 27 Aug 2019 13:55:41 +0200 [thread overview]
Message-ID: <20190827115541.GB5921@lst.de> (raw)
In-Reply-To: <CAK7LNAQZ+bueZZzSoMADmgLjWNvijHRV=wLQzN_kvLG3b5Uu+w@mail.gmail.com>
On Tue, Aug 27, 2019 at 06:03:14PM +0900, Masahiro Yamada wrote:
> Yes, this makes my driver working again
> when CONFIG_DMA_CMA=y.
>
>
> If I apply the following, my driver gets back working
> irrespective of CONFIG_DMA_CMA.
That sounds a lot like the device simply isn't 64-bit DMA capable, and
previously always got CMA allocations under the limit it actually
supported. I suggest that you submit this quirk to the mmc maintainers.
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists•infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-08-27 11:55 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-06 22:33 [PATCH v2 0/2] Optimize dma_*_from_contiguous calls Nicolin Chen
2019-05-06 22:33 ` [PATCH v2 1/2] dma-contiguous: Abstract dma_{alloc, free}_contiguous() Nicolin Chen
2019-05-24 1:52 ` dann frazier
2019-05-24 2:59 ` dann frazier
2019-05-24 3:49 ` Nicolin Chen
2019-05-06 22:33 ` [PATCH v2 2/2] dma-contiguous: Use fallback alloc_pages for single pages Nicolin Chen
2019-08-23 12:49 ` Masahiro Yamada
2019-08-23 12:56 ` Masahiro Yamada
2019-08-25 1:10 ` Christoph Hellwig
2019-08-26 2:05 ` Masahiro Yamada
2019-08-26 7:33 ` Christoph Hellwig
2019-08-27 7:45 ` Masahiro Yamada
2019-08-27 7:50 ` Christoph Hellwig
2019-08-27 9:03 ` Masahiro Yamada
2019-08-27 11:55 ` Christoph Hellwig [this message]
2019-08-28 10:53 ` Masahiro Yamada
2019-08-28 12:23 ` Masahiro Yamada
2019-08-29 11:45 ` Masahiro Yamada
2019-08-23 22:11 ` Nicolin Chen
2019-08-26 1:56 ` Masahiro Yamada
2019-05-08 12:52 ` [PATCH v2 0/2] Optimize dma_*_from_contiguous calls Christoph Hellwig
2019-05-08 18:08 ` Nicolin Chen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190827115541.GB5921@lst.de \
--to=hch@lst$(echo .)de \
--cc=adrian.hunter@intel$(echo .)com \
--cc=akpm@linux-foundation$(echo .)org \
--cc=catalin.marinas@arm$(echo .)com \
--cc=chris@zankel$(echo .)net \
--cc=dwmw2@infradead$(echo .)org \
--cc=iamjoonsoo.kim@lge$(echo .)com \
--cc=iommu@lists$(echo .)linux-foundation.org \
--cc=jcmvbkbc@gmail$(echo .)com \
--cc=joro@8bytes$(echo .)org \
--cc=keescook@chromium$(echo .)org \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=linux-mmc@vger$(echo .)kernel.org \
--cc=linux-xtensa@linux-xtensa$(echo .)org \
--cc=linux@armlinux$(echo .)org.uk \
--cc=m.szyprowski@samsung$(echo .)com \
--cc=nicoleotsuka@gmail$(echo .)com \
--cc=robin.murphy@arm$(echo .)com \
--cc=sfr@canb$(echo .)auug.org.au \
--cc=tony@atomide$(echo .)com \
--cc=treding@nvidia$(echo .)com \
--cc=ulf.hansson@linaro$(echo .)org \
--cc=will.deacon@arm$(echo .)com \
--cc=wsa+renesas@sang-engineering$(echo .)com \
--cc=yamada.masahiro@socionext$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox