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Date: Wed, 25 Apr 2018 09:21:05 +0200
From: Christoph Hellwig <hch@lst.de>
To: Helge Deller <deller@gmx.de>
Cc: Christoph Hellwig <hch@lst.de>, linux-arch@vger.kernel.org,
        Michal Simek <monstr@monstr.eu>, Greentime Hu <green.hu@gmail.com>,
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Subject: Re: [PATCH 22/22] parisc: use generic dma_noncoherent_ops
Message-ID: <20180425072105.GA12308@lst.de>
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On Sat, Apr 21, 2018 at 07:43:46PM +0200, Helge Deller wrote:
> This patch breaks a 32bit kernel on a B160L machine (PA7300LC CPU, "pcxl2").
> After applying this patch series the lasi82956 network driver works unreliable. 
> NIC gets IP, but ping doesn't work.
> See drivers/net/ethernet/i825xx/lasi_82596.c, it uses dma*sync() functions.

Just to confirm:  Without the series it is known to actually work?