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Date:   Fri, 6 Dec 2019 00:35:36 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Can Guo <cang@codeaurora.org>
Cc:     asutoshd@codeaurora.org, nguyenb@codeaurora.org,
        rnayak@codeaurora.org, linux-scsi@vger.kernel.org,
        kernel-team@android.com, saravanak@google.com, salyzyn@google.com,
        Alim Akhtar <alim.akhtar@samsung.com>,
        Avri Altman <avri.altman@wdc.com>,
        Pedro Sousa <pedrom.sousa@synopsys.com>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Stanley Chu <stanley.chu@mediatek.com>,
        Bean Huo <beanhuo@micron.com>,
        Tomas Winkler <tomas.winkler@intel.com>,
        Bjorn Andersson <bjorn.andersson@linaro.org>,
        Arnd Bergmann <arnd@arndb.de>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] scsi: ufs: Export query request interfaces
Message-ID: <20191206083536.GA15390@infradead.org>
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On Fri, Dec 06, 2019 at 02:32:04AM +0000, Can Guo wrote:
> Vendor drivers may need to send query requests in proprietary
> implementations. Hence, export the query request interfaces
> so that vendor drivers can use them.

Vendor driver ain't matter.  If you submit your driver to mainline
and can prove a need you can add a patch to export interface to the
series adding the driver.