linux-kernel - Re: [PATCH V13 06/10] mmc: sdhci-pci: Add CQHCI support for Intel GLK

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Message-ID: <03cc4d87-940c-797e-69e0-fffa630adc16@intel.com>
Date:   Thu, 9 Nov 2017 09:12:35 +0200
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        linux-mmc <linux-mmc@...r.kernel.org>,
        linux-block <linux-block@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Bough Chen <haibo.chen@....com>,
        Alex Lemberg <alex.lemberg@...disk.com>,
        Mateusz Nowak <mateusz.nowak@...el.com>,
        Yuliy Izrailov <Yuliy.Izrailov@...disk.com>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Dong Aisheng <dongas86@...il.com>,
        Das Asutosh <asutoshd@...eaurora.org>,
        Zhangfei Gao <zhangfei.gao@...il.com>,
        Sahitya Tummala <stummala@...eaurora.org>,
        Harjani Ritesh <riteshh@...eaurora.org>,
        Venu Byravarasu <vbyravarasu@...dia.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH V13 06/10] mmc: sdhci-pci: Add CQHCI support for Intel GLK

On 08/11/17 11:24, Linus Walleij wrote:
> On Fri, Nov 3, 2017 at 2:20 PM, Adrian Hunter <adrian.hunter@...el.com> wrote:
> 
>> Add CQHCI initialization and implement CQHCI operations for Intel GLK.
>>
>> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
> 
> This patch seems OK in context, but it merely illustrates the
> weirdness of .[runtime]_suspend/resume calling into CQE-specific
> APIs rather than using generic host callbacks.

Your comment makes no sense at all.  The host driver has
[runtime]_suspend/resume callbacks and it is up to the host driver to decide
what to do.  CQHCI provides helpers since that is the whole point of having
a CQHCI library.