linux-kernel - Re: [PATCH 06/22] arc: use generic dma_noncoherent

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Date:   Thu, 26 Apr 2018 10:25:12 +0200
From:   "hch@....de" <hch@....de>
To:     Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Cc:     "hch@....de" <hch@....de>,
        "deanbo422@...il.com" <deanbo422@...il.com>,
        "linux-sh@...r.kernel.org" <linux-sh@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "nios2-dev@...ts.rocketboards.org" <nios2-dev@...ts.rocketboards.org>,
        "linux-xtensa@...ux-xtensa.org" <linux-xtensa@...ux-xtensa.org>,
        "linux-m68k@...ts.linux-m68k.org" <linux-m68k@...ts.linux-m68k.org>,
        "linux-alpha@...r.kernel.org" <linux-alpha@...r.kernel.org>,
        "linux-hexagon@...r.kernel.org" <linux-hexagon@...r.kernel.org>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>,
        "green.hu@...il.com" <green.hu@...il.com>,
        "openrisc@...ts.librecores.org" <openrisc@...ts.librecores.org>,
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        <linux-arm-kernel@...ts.infradead.org>,
        "monstr@...str.eu" <monstr@...str.eu>,
        "linux-parisc@...r.kernel.org" <linux-parisc@...r.kernel.org>,
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        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "sparclinux@...r.kernel.org" <sparclinux@...r.kernel.org>
Subject: Re: [PATCH 06/22] arc: use generic dma_noncoherent_ops

On Thu, Apr 26, 2018 at 08:45:00AM +0200, hch@....de wrote:
> On Wed, Apr 25, 2018 at 11:17:01AM +0000, Alexey Brodkin wrote:
> > Which is actually strange as I would expect ARC code to be built by bots.
> 
> I don't think I got any notification.  Thank for the fixes!
> 
> I think I found the bug, based on the fact that so far all tests for
> architectures that also need a cache op for device to cpu transitions
> failed.  I did a stupid typo when changing kconfig symbols, so please
> try the patch below.

Confirmed to work for nds32, so here is a git tree with the core, arc
and nds32 fixes folded in, feel free to test that one:

git://git.infradead.org/users/hch/misc.git generic-dma-noncoherent