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([2620:0:1000:2514:ec20:15e1:edc2:6f55]) by smtp.gmail.com with ESMTPSA id t1-20020a170902e84100b0016d1b708729sm1981305plg.132.2022.07.28.16.23.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 28 Jul 2022 16:23:17 -0700 (PDT) Message-ID: <3f96d798-e9bb-15d8-65b9-2383e112c654@acm.org> Date: Thu, 28 Jul 2022 16:23:16 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2] ufs: core: print capabilities in controller's sysfs node Content-Language: en-US To: Daniil Lunev , Adrian Hunter , Greg Kroah-Hartman Cc: Alim Akhtar , Avri Altman , Bean Huo , Daejun Park , "James E.J. Bottomley" , "Martin K. Petersen" , Mauro Carvalho Chehab , Sohaib Mohamed , Stanley Chu , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org References: <20220729090521.v2.1.Id612b86fd30936dfd4c456b3341547c15cecf321@changeid> From: Bart Van Assche In-Reply-To: <20220729090521.v2.1.Id612b86fd30936dfd4c456b3341547c15cecf321@changeid> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, NICE_REPLY_A,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/28/22 16:05, Daniil Lunev wrote: > +What: /sys/bus/platform/drivers/ufshcd/*/caps > +What: /sys/bus/platform/devices/*.ufs/caps > +Date: July 2022 > +Contact: Daniil Lunev > +Description: Read-only attribute. Enabled capabilities of the UFS driver. The > + enabled capabilities are determined by what is supported by the > + host controller and the UFS device. > + Format: 0x%08llx This documentation is useless since the meaning of the individual bits has not been documented. Thanks, Bart.