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Message-ID: <c4acb34f-7bba-336f-ddfc-a9c098f2c95f@acm.org>
Date:   Mon, 1 Aug 2022 19:38:31 -0700
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Subject: Re: [PATCH v5] ufs: core: print UFSHCD capabilities in controller's
 sysfs node
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To:     Daniil Lunev <dlunev@chromium.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     Alim Akhtar <alim.akhtar@samsung.com>,
        Avri Altman <avri.altman@wdc.com>,
        Bean Huo <beanhuo@micron.com>,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        Keoseong Park <keosung.park@samsung.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Sohaib Mohamed <sohaib.amhmd@gmail.com>,
        linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org
References: <20220802103643.v5.1.Ibf9efc9be50783eeee55befa2270b7d38552354c@changeid>
From:   Bart Van Assche <bvanassche@acm.org>
In-Reply-To: <20220802103643.v5.1.Ibf9efc9be50783eeee55befa2270b7d38552354c@changeid>
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On 8/1/22 17:37, Daniil Lunev wrote:
> +What:		/sys/bus/platform/drivers/ufshcd/*/capabilities/write_booster
> +What:		/sys/bus/platform/devices/*.ufs/capabilities/write_booster
> +Date:		July 2022
> +Contact:	Daniil Lunev <dlunev@chromium.org>
> +Description:	Indicates status of Write Booster.
> +
> +		== ============================
> +		0  Write Booster can not be enabled.
> +		1  Write Booster can be enabled.
> +		== ============================
> +
> +		The file is read only.
Is the "capabilities" directory a directory with capabilities of the 
host, with capabilities of the UFS device or perhaps with capabilities 
of both?

Thanks,

Bart.