linux-kernel - Re: [PATCH 06/14] mmc: omap: handle highmem pages

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Message-ID: <20190212183943.GM5720@atomide.com>
Date:   Tue, 12 Feb 2019 10:39:43 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Russell King <linux@...linux.org.uk>,
        Nicolas Pitre <nico@...xnic.net>,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Ben Dooks <ben-linux@...ff.org>, linux-mmc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-omap@...r.kernel.org,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 06/14] mmc: omap: handle highmem pages

* Christoph Hellwig <hch@....de> [190212 07:27]:
> Instead of setting up a kernel pointer to track the current PIO address,
> track the offset in the current page, and do an atomic kmap for the page
> while doing the actual PIO operations.

I'm currently having issues booting my test devices (770 and n8x0)
with this MMC controller so I can't test these patches currently.
Aaro, can you please test when you have a chance?

Regards,

Tony