linux-kernel - Re: [PATCH v1 1/2] scsi: ufs: Introduce a vops for resetting host controller

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Date:   Tue, 05 Nov 2019 07:44:13 +0800
From:   cang@...eaurora.org
To:     Avri Altman <Avri.Altman@....com>
Cc:     asutoshd@...eaurora.org, nguyenb@...eaurora.org,
        rnayak@...eaurora.org, linux-scsi@...r.kernel.org,
        kernel-team@...roid.com, saravanak@...gle.com, salyzyn@...gle.com,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Pedro Sousa <pedrom.sousa@...opsys.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Stanley Chu <stanley.chu@...iatek.com>,
        Bean Huo <beanhuo@...ron.com>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Subhash Jadavani <subhashj@...eaurora.org>,
        Arnd Bergmann <arnd@...db.de>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/2] scsi: ufs: Introduce a vops for resetting host
 controller

On 2019-11-04 22:28, Avri Altman wrote:
> Hi,
>> 
>> Some UFS host controllers need their specific implementations of 
>> resetting to
>> get them into a good state. Provide a new vops to allow the platform 
>> driver to
>> implement this own reset operation.
>> 
>> Signed-off-by: Can Guo <cang@...eaurora.org>
> Did you withdraw from this patches and insert them to one of your fix 
> bundle?
> I couldn't tell.
> As this is a vop, in what way its functionality can't be included in
> the device reset that was recently added?
> 
> Thanks,
> Avri

Hi Avri,

Sorry for making you confused.
Yes, I dropped this series because it cannot fulfil its purpose anymore. 
I come up with a way which puts the reset in the right place in UFS QCOM 
platfrom driver without an extra vops, so I inserted the two changes in 
fix bundle 3.

Thanks,
Can Guo.