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Thu, 15 Apr 2021 13:02:12 +0800 From: Pkshih To: Kalle Valo CC: "tony0620emma@gmail.com" , "linux-wireless@vger.kernel.org" , DeanKu , Bernie Huang , Shaofu , Steven Ting , Kevin Yang Subject: RE: [PATCH 6/7] rtw88: 8822c: add CFO tracking Thread-Topic: [PATCH 6/7] rtw88: 8822c: add CFO tracking Thread-Index: AQHXHILi0rb6HTLCKkSAH1awbttUrqquqISAgAF/I4CAAMLRsIAERSFg Date: Thu, 15 Apr 2021 05:02:12 +0000 Message-ID: <49d0f6a9ac4441b7bad71467ce502d01@realtek.com> References: <20210319054218.3319-7-pkshih@realtek.com> <20210411091951.2B01AC433CA@smtp.codeaurora.org> <6ea1eb17f2a64fd0954b9d4060da12f0@realtek.com> <87mtu3lo62.fsf@codeaurora.org> In-Reply-To: <87mtu3lo62.fsf@codeaurora.org> Accept-Language: en-US, zh-TW Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.69.146] x-kse-serverinfo: RTEXMBS05.realtek.com.tw, 9 x-kse-antivirus-interceptor-info: scan successful x-kse-antivirus-info: =?us-ascii?Q?Clean,_bases:_2021/4/14_=3F=3F_10:00:00?= x-kse-attachment-filter-triggered-rules: Clean x-kse-attachment-filter-triggered-filters: Clean x-kse-bulkmessagesfiltering-scan-result: protection disabled Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 04/15/2021 00:46:16 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 163123 [Apr 14 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 442 442 b985cb57763b61d2a20abb585d5d4cc10c315b09 X-KSE-AntiSpam-Info: {Tracking_uf_ne_domains} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 04/15/2021 00:48:00 X-KSE-ServerInfo: RTEXH36502.realtek.com.tw, 9 X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 04/15/2021 00:46:16 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 163123 [Apr 14 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: pkshih@realtek.com X-KSE-AntiSpam-Info: LuaCore: 442 442 b985cb57763b61d2a20abb585d5d4cc10c315b09 X-KSE-AntiSpam-Info: {Tracking_uf_ne_domains} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 04/15/2021 00:48:00 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org > -----Original Message----- > From: kvalo=codeaurora.org@mg.codeaurora.org [mailto:kvalo=codeaurora.org@mg.codeaurora.org] On > Behalf Of Kalle Valo > Sent: Monday, April 12, 2021 7:48 PM > To: Pkshih > Cc: tony0620emma@gmail.com; linux-wireless@vger.kernel.org; DeanKu; Bernie Huang; Shaofu; Steven Ting; > Kevin Yang > Subject: Re: [PATCH 6/7] rtw88: 8822c: add CFO tracking > > Pkshih writes: > > >> -----Original Message----- > >> From: kvalo=codeaurora.org@mg.codeaurora.org > >> [mailto:kvalo=codeaurora.org@mg.codeaurora.org] On > >> Behalf Of Kalle Valo > >> Sent: Sunday, April 11, 2021 5:20 PM > >> To: Pkshih > >> Cc: tony0620emma@gmail.com; linux-wireless@vger.kernel.org; DeanKu; > >> Bernie Huang; Shaofu; Steven Ting; > >> Kevin Yang > >> Subject: Re: [PATCH 6/7] rtw88: 8822c: add CFO tracking > >> > >> Ping-Ke Shih wrote: > >> > >> > From: Po-Hao Huang > >> > > >> > Add CFO tracking mechanism to mitigate the effect of oscillator > >> > frequency discrepancy. > >> > > >> > Signed-off-by: Po-Hao Huang > >> > Signed-off-by: Ping-Ke Shih > >> > >> What's CFO? I need to understand the commit log, so please write it so that any > >> engineer working with wireless understands it. > >> > > > > CFO tracking, which stands for central frequency offset tracking, is used to > > adjust oscillator to align central frequency of connected AP. Then, we can > > have better performance. > > > > Should I resend this patch to explain CFO? > > Yes, please send a new version with an updated commit log. > A single patch is sent: https://lore.kernel.org/linux-wireless/20210415045913.16097-1-pkshih@realtek.com/T/#u -- Ping-Ke