Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp394016ybm; Fri, 29 May 2020 02:52:24 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxTi5tul3zunxvbf7Nauq/Jn613jPMeZMFeTL5bJzoyDh4UHVFsG6VN0Oz7EjkEgDtbnomF X-Received: by 2002:aa7:d985:: with SMTP id u5mr3487664eds.160.1590745944363; Fri, 29 May 2020 02:52:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590745944; cv=none; d=google.com; s=arc-20160816; b=pe1s7pGhBfVA09dV1KInMYr55VK2RHwQdQcvG+ZBjmUar4qTlA/SR9TeJVRZdpFtiY oYNgnsF5VV7A/fskzgWy9eShDt/IrdF+h94dJwwrANGI7Sbwv9o7Q6AEn5fLOQa1CaNB 1DPhCGjnO+cBCkDLtZ7BFJkNqiiwfYLkZpy0N0vILscTNzggsfOMv5afJ/8tR9HLtbf2 88pKYIxFCS+AVdns/G0MVrVi5GwagXZRbG7mZvCy9/+43/6gTFdVSVde0P68HD0kT+ZR RL9fkGu0xKxrdUd8UQ03xjsCpt4MIsKVIG9ov/rn0MBtwuJLbIZHzJFVfRsnCwfzD3Yy CxDw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=/rNZpJ1K7mK8f5dSWlz1mM1EDVXRKYV6wHonETajBQ0=; b=qy5vzXDbIgMrZE946Z7ALN4rO01AFJ9am7eD3ZLPo+u+8MOII3YEdab6HJ6+odhghl jHE1BfYh78/DeS/au5mhPGf2ZHywJOtZ2wENtodWEV8Ku5gZa9D0yMFuFlq7mzN19YKC NcSukG8gmRJ8lGHq+OlwNuFzIGsXe89U9Ksa3PgVliYo6GoYdpSFazhk4bc9G0BPlZba oItkkTFfQ5MY/JowrotXzEnBbffnJUnx8wHPcE9gsXYc7j8QALdaiBPgJwj0Yooc1YC0 z+MpTnokH6VZ5IFNK6Kzcw/gjucvRE35GJ0z/LI6kkNwgombxC2HaLUA/IrVkF9EXszy a6PA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e18si5312018ejh.211.2020.05.29.02.52.00; Fri, 29 May 2020 02:52:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726886AbgE2Jtc (ORCPT + 99 others); Fri, 29 May 2020 05:49:32 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:46914 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726161AbgE2Jta (ORCPT ); Fri, 29 May 2020 05:49:30 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id 55F648030839; Fri, 29 May 2020 09:49:21 +0000 (UTC) X-Virus-Scanned: amavisd-new at baikalelectronics.ru Received: from mail.baikalelectronics.ru ([127.0.0.1]) by localhost (mail.baikalelectronics.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ZtAkASHM4lIf; Fri, 29 May 2020 12:49:20 +0300 (MSK) Date: Fri, 29 May 2020 12:49:19 +0300 From: Serge Semin To: Sergei Shtylyov CC: Serge Semin , Mark Brown , Georgy Vlasov , Ramil Zaripov , Alexey Malahov , Thomas Bogendoerfer , Arnd Bergmann , Feng Tang , Andy Shevchenko , Rob Herring , , , , Subject: Re: [PATCH v5 01/16] spi: dw: Set xfer effective_speed_hz Message-ID: <20200529094919.uw3fodztc3vvnj6a@mobilestation> References: <20200529035915.20790-1-Sergey.Semin@baikalelectronics.ru> <20200529035915.20790-2-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 29, 2020 at 11:49:12AM +0300, Sergei Shtylyov wrote: > Hello! > > On 29.05.2020 6:58, Serge Semin wrote: > > > Seeing DW APB SSI controller doesn't support setting the exactly > > requested SPI bus frequency, but only a rounded frequency determined > > by means of the odd-numbered half-worded reference clock divider, > > it would be good tune the SPI core up and initialize the current > ^ to? Thanks! I'll fix it in the next patchset version. -Sergey > > > transfer effective_speed_hz. By doing so the core will be able to > > execute the xfer-related delays with better accuracy. > > > > Signed-off-by: Serge Semin > > Cc: Georgy Vlasov > > Cc: Ramil Zaripov > > Cc: Alexey Malahov > > Cc: Thomas Bogendoerfer > > Cc: Arnd Bergmann > > Cc: Feng Tang > > Cc: Andy Shevchenko > > Cc: Rob Herring > > Cc: linux-mips@vger.kernel.org > > Cc: devicetree@vger.kernel.org > [...] > > MBR, Sergei