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([2620:15c:211:201:4e4a:abd5:5969:d00e]) by smtp.gmail.com with ESMTPSA id i9-20020a170902c94900b0016ecc7d5297sm10246100pla.292.2022.09.06.10.53.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Sep 2022 10:53:49 -0700 (PDT) Message-ID: Date: Tue, 6 Sep 2022 10:53:46 -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 v8] ufs: core: print UFSHCD 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 , "James E.J. Bottomley" , Keoseong Park , "Martin K. Petersen" , Mauro Carvalho Chehab , Sohaib Mohamed , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org References: <20220829081845.v8.1.Ibf9efc9be50783eeee55befa2270b7d38552354c@changeid> From: Bart Van Assche In-Reply-To: <20220829081845.v8.1.Ibf9efc9be50783eeee55befa2270b7d38552354c@changeid> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.2 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,T_SCC_BODY_TEXT_LINE autolearn=ham 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 8/28/22 15:18, Daniil Lunev wrote: > Userspace may want to manually control when the data should go into > WriteBooster buffer. The control happens via "wb_on" node, but > presently, there is no simple way to check if WriteBooster is supported > and enabled. This change exposes the Write Booster and Clock Scaling > capabilities to be able to determin if the Write Booster is available > and if its manual control is blocked by Clock Scaling mechanism. determin -> determine? Anyway: Reviewed-by: Bart Van Assche