From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B6E1CC25B10 for ; Mon, 13 May 2024 16:37:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Vyg0uoaYhW1LESx6wJO5dWV09yFeVuXSeCHETjDW0EQ=; b=VTFPTD6DCrbG6f IlY+xsUui0RfO95VhenIan7TOrYVZ4WTd5m1WDYSr5u5g52JXITshHHr8/e1NGnYha7qim+VjvV4y z+YiGKtkyTghkoDg0X3MElIEg5t9zdsrhmCBkcUbTp0oOHiWzzF20mh6Qrp7dsuiGId0ZV5mMJYYH mTpVj/WQZnbYuUzorgKX+9qWowTjVcpRuwAPG/bFwnDFZbQlEEQVvY4UW91sAC7rIQIUKtv5Iwode 9gyIhPnAItd1hp11LpfEFW3zxU0dr5wodsEE5nBiJetOeJv/gP4BrhE/g1LRPMcMuIUvJoZHeKrq5 dQYxzCsAsJdpem+cu6CQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s6Yfi-0000000DZNQ-1CE6; Mon, 13 May 2024 16:37:06 +0000 Received: from mail-qk1-x72b.google.com ([2607:f8b0:4864:20::72b]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s6Yff-0000000DZMX-2ehn for linux-arm-kernel@lists.infradead.org; Mon, 13 May 2024 16:37:05 +0000 Received: by mail-qk1-x72b.google.com with SMTP id af79cd13be357-792b8bf806fso398705485a.0 for ; Mon, 13 May 2024 09:37:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hefring-com.20230601.gappssmtp.com; s=20230601; t=1715618220; x=1716223020; darn=lists.infradead.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=UhNPxyDIoyt90UWgtYorTleVUvtJf0Skch2qUWjrKUo=; b=3CWn4TiJA81VN7VYY8ekNQ1YiS4GA0xkPKErmIFueTLeSj3tg55YFy4JHI+LDyB4JK Pg94xC8rxSMp80OHJUT9dQcCGoSk7zrim0zZAObHLWFsW5yzPj2xZEW1K1wl5ArtyScm iqseeWpM5B7Px4lTtg75kWnuLL8hoKWYZ96Ps/T13V5j/6JDnpf8QHSnpCrlbK7AulVK 8Ks/JWVp25+WPHAo6dPVmk8X2BBhpZFYjZ3fcW65avGjYt2KMc/pFURj3Y+xG8AH9Aiz PW2sn8scqZ2YeyzPU311IRMzm927D9LyfnCb+kM+BWfa5V+kh/S7KSO1E849IPSWFv4m jYaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715618220; x=1716223020; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=UhNPxyDIoyt90UWgtYorTleVUvtJf0Skch2qUWjrKUo=; b=mVbimlyxuEGqElX5hRsEhi1Bub9clG1DBTLrS7/kn7Npo4E1wVW0saDNziqoUmbr0R T8Abpv8mKm0ox6LyiczfoaL24sXUQKGP/GMbEQH8f2mr9gGHwLXL5m9z1iPfNtq/k9qv WcIsMEwPiwjBUIXGrTcMw0/IXj1/yuJApNnKxrGJyrYnOP1lrV6lTLpwbIaGhxQDTjI/ z7IWrnfQOe1pOBsjI2VXmnAjdO1s11VGIKZUJ3iWt3Zac+0Vu2xaJoLySHa7DcrfQjmp gMQUN5c7s5mg0pqpfrJtW4rkO7tfCoa4M6k0qWlln1VuSfvxXLcMHHAnHKG+pmaOaDmM MP5w== X-Forwarded-Encrypted: i=1; AJvYcCWSi+zbb/+NW46LoJD83IBGfnqUqwDzACP+t8HTtQWu/6Uk/z6YO6n990V8bJycPkrJQrnhdIzhqmV9ugptIzoAE7bbHHJAwfxM/WGdosoz13cU8Og= X-Gm-Message-State: AOJu0YyFiVA7sWVvbTBCbgO0xn9o8nOsSYG9mYwodv0CN+uqsle4QSgX qplUwktlHjAmFPToxQALgTbgScroNcWYZBum0d7g31z2Mm6E/YnohrvJ/h+U1tY= X-Google-Smtp-Source: AGHT+IHR+PMA8mzP/ODUs2ari2ZHO3kfobx2t3yRaJYmectZkzl57AVHabUnpaYuaTgcCtztbZ6HWg== X-Received: by 2002:a05:6214:319c:b0:6a0:81b4:9871 with SMTP id 6a1803df08f44-6a16815f5a4mr84632286d6.15.1715618220631; Mon, 13 May 2024 09:37:00 -0700 (PDT) Received: from dell-precision-5540 ([50.212.55.90]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6a15f1d6f30sm44727336d6.110.2024.05.13.09.36.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 May 2024 09:37:00 -0700 (PDT) Date: Mon, 13 May 2024 12:36:57 -0400 From: Ben Wolsieffer To: Leonard =?iso-8859-1?Q?G=F6hrs?= Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-spi@vger.kernel.org, Pengutronix Kernel Team , Alexandre Torgue , Maxime Coquelin , Mark Brown , Alain Volmat Subject: Re: [PATCH v2] spi: stm32: enable controller before asserting CS Message-ID: References: <20240424135237.1329001-2-ben.wolsieffer@hefring.com> <39033ed7-3e57-4339-80b4-fc8919e26aa7@pengutronix.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <39033ed7-3e57-4339-80b4-fc8919e26aa7@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240513_093703_823613_E4398B02 X-CRM114-Status: GOOD ( 25.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCBNYXkgMTMsIDIwMjQgYXQgMTA6Mjk6NDlBTSArMDIwMCwgTGVvbmFyZCBHw7ZocnMg d3JvdGU6Cj4gSGksCj4gCj4gSSBhbSBpbiB0aGUgcHJvY2VzcyBvZiB1cGRhdGluZyBhbiBTVE0z Mk1QMTU3IGJhc2VkIGRldmljZSBmcm9tIDYuOCB0byA2LjkKPiBhbmQgaGF2ZSBub3RpY2VkIFNQ SSByZWxhdGVkIGlzc3VlcyB0aGF0IG1heSBiZSBjYXVzZWQgYnkgdGhpcyBjaGFuZ2UuCj4gCj4g SSBhbSB0ZXN0aW5nIG9uIGFuIExYQSBUQUMgR2VuZXJhdGlvbiAyIChhcmNoL2FybS9ib290L2R0 cy9zdC9zdG0zMm1wMTU3Yy1seGEtdGFjLWdlbjIuZHRzKQo+IGFuZCB0aGUgaXNzdWVzIEkgc2Vl IGFyZSBTUEkgdHJhbnNmZXIgdGltZW91dHM6Cj4gCj4gICBbICAgMTMuNTY1MDgxXSBwYW5lbC1t aXBpLWRiaS1zcGkgc3BpMi4wOiBTUEkgdHJhbnNmZXIgdGltZWQgb3V0Cj4gICBbICAgMTMuNTY1 MTMxXSBzcGlfbWFzdGVyIHNwaTI6IGZhaWxlZCB0byB0cmFuc2ZlciBvbmUgbWVzc2FnZSBmcm9t IHF1ZXVlCj4gICBbICAgMTMuNTY1MTM0XSBzcGlfc3RtMzIgNDQwMDUwMDAuc3BpOiBzcHVyaW91 cyBJVCAoc3I9MHgwMDAxMDAwMiwgaWVyPTB4MDAwMDAwMDApCj4gICBbICAgMTMuNTY1MTQ1XSBz cGlfbWFzdGVyIHNwaTI6IG5vcXVldWUgdHJhbnNmZXIgZmFpbGVkCj4gICBbICAgMTMuNTY1MTgz XSBwYW5lbC1taXBpLWRiaS1zcGkgc3BpMi4wOiBlcnJvciAtMTEwIHdoZW4gc2VuZGluZyBjb21t YW5kIDB4MmEKPiAgIFsgICAxMy43NjkxMTNdIHBhbmVsLW1pcGktZGJpLXNwaSBzcGkyLjA6IFNQ SSB0cmFuc2ZlciB0aW1lZCBvdXQKPiAgIFsgICAxMy43NjkxNjNdIHNwaV9tYXN0ZXIgc3BpMjog ZmFpbGVkIHRvIHRyYW5zZmVyIG9uZSBtZXNzYWdlIGZyb20gcXVldWUKPiAgIFsgICAxMy43Njkx NjRdIHNwaV9zdG0zMiA0NDAwNTAwMC5zcGk6IHNwdXJpb3VzIElUIChzcj0weDAwMDEwMDAyLCBp ZXI9MHgwMDAwMDAwMCkKPiAgIFsgICAxMy43NjkxNzddIHNwaV9tYXN0ZXIgc3BpMjogbm9xdWV1 ZSB0cmFuc2ZlciBmYWlsZWQKPiAgIFsgICAxMy43NjkyMTBdIHBhbmVsLW1pcGktZGJpLXNwaSBz cGkyLjA6IGVycm9yIC0xMTAgd2hlbiBzZW5kaW5nIGNvbW1hbmQgMHgyYgo+ICAgWyAgIDEzLjk3 NzAyOF0gcGFuZWwtbWlwaS1kYmktc3BpIHNwaTIuMDogU1BJIHRyYW5zZmVyIHRpbWVkIG91dAo+ ICAgWyAgIDEzLjk3NzA4Ml0gc3BpX21hc3RlciBzcGkyOiBmYWlsZWQgdG8gdHJhbnNmZXIgb25l IG1lc3NhZ2UgZnJvbSBxdWV1ZQo+ICAgWyAgIDEzLjk3NzA5NV0gc3BpX21hc3RlciBzcGkyOiBu b3F1ZXVlIHRyYW5zZmVyIGZhaWxlZAo+ICAgWyAgIDE0LjQ2MDkyNF0gcGFuZWwtbWlwaS1kYmkt c3BpIHNwaTIuMDogU1BJIHRyYW5zZmVyIHRpbWVkIG91dAo+IAo+IEZvbGxvd2VkIGJ5IHdvcmtx dWV1ZSBsb2NrdXBzIGFuZCB0aGUgZGV2aWNlIGJlY29taW5nIHVucmVzcG9uc2l2ZSBsYXRlcgo+ IGluIHRoZSBib290LCBwcmV2ZW50aW5nIG1lIGZyb20gbG9nZ2luZyBpbiBhbmQgaW52ZXN0aWdh dGluZyBmdXJ0aGVyIHRoYXQgd2F5Ogo+IAo+ICAgWyAgIDE3LjAyNjI2M10gc3BpX21hc3RlciBz cGkyOiBub3F1ZXVlIHRyYW5zZmVyIGZhaWxlZAo+IAo+ICAgVEFDIE9TIC0gVGhlIExYQSBUQUMg b3BlcmF0aW5nIHN5c3RlbSAyNC4wNCtkZXYgbHhhdGFjLTAwMDExIHR0eVNUTTAKPiAKPiAgIGx4 YXRhYy0wMDAxMSBsb2dpbjogcm9vdAo+ICAgWyAgIDYyLjQzNDMyNl0gQlVHOiB3b3JrcXVldWUg bG9ja3VwIC0gcG9vbCBjcHVzPTAgbm9kZT0wIGZsYWdzPTB4MCBuaWNlPTAgc3R1Y2sgZm9yIDQ0 cyEKPiAgIFsgICA2Mi40NDEzMjFdIEJVRzogd29ya3F1ZXVlIGxvY2t1cCAtIHBvb2wgY3B1cz0w IG5vZGU9MCBmbGFncz0weDAgbmljZT0tMjAgc3R1Y2sgZm9yIDQ0cyEKPiAgIOKApgo+IAo+IFJl dmVydGluZyB0aGlzIGNvbW1pdCBmaXhlcyB0aGUgaXNzdWUgZm9yIG1lLiBJdCBtYXkgYmUgc29t ZSB0aW1lIGJlZm9yZQo+IEkgZ2V0IGFyb3VuZCB0byBpbnZlc3RpZ2F0aW5nIHRoZSBpc3N1ZSBp biBkZXRhaWwsIHNvIEkgdGhvdWdodCBJIHNob3VsZAo+IGFzayBpZiBhbnlvbmUgZWxzZSBoYXMg YWxyZWFkeSBub3RpY2VkIHRoaXMgYXMgd2VsbC4KPiAKPiBXZSBhcmUgY3VycmVudGx5IGluIHRo ZSBwcm9jZXNzIG9mIGFkZGluZyB0aGUgZGV2aWNlIGluIHF1ZXN0aW9uIHRvCj4gS2VybmVsQ0kg WzFdLCB3aGljaCBtYXkgaGVscCBpbiBjYXRjaGluZyBzdWNoIHByb2JsZW1zIGVhcmxpZXIuCj4g Cj4gWzFdOiBodHRwczovL2dpdGh1Yi5jb20va2VybmVsY2kva2VybmVsY2ktY29yZS9wdWxsLzI1 NDIKPiAKClNvcnJ5IGFib3V0IHRoYXQ7IGl0IGxvb2tzIGxpa2UgdGhlIFNUTTMySDcvTVAgcGxh dGZvcm1zIHJlcXVpcmUgdGhlCmNvbnRyb2xsZXIgdG8gYmUgZW5hYmxlZCBsYXRlci4gSSBhZ3Jl ZSB0aGF0IGl0IHNob3VsZCBiZSByZXZlcnRlZCBhbmQKSSdsbCB0cnkgdG8gdGhpbmsgb2YgYW5v dGhlciBhcHByb2FjaC4KClRoZSBTVE0zMkg3L01QIGRldmljZXMgYXJlIHNpZ25pZmljYW50bHkg ZGlmZmVyZW50IGZyb20gdGhlIEY0LzcKZGV2aWNlcywgd2hpY2ggbWFrZXMgaXQgZGlmZmljdWx0 IHRvIGNoYW5nZSBzaGFyZWQgY29kZSB3aXRob3V0IGNhdXNpbmcKcHJvYmxlbXMgbGlrZSB0aGlz LiBJIHdvbmRlciBpZiBpdCBtaWdodCBiZSBiZXR0ZXIgdG8gc3BsaXQgdGhlIEY0LzcKc3VwcG9y dCBpbnRvIGEgc2VwYXJhdGUgZHJpdmVyLiBUaGlzIHdvdWxkIGR1cGxpY2F0ZSBhIGJpdCBvZiBj b2RlLApuYW1lbHkgdGhlIGluaXRpYWxpemF0aW9uIGluIHByb2JlLCB0aGUgYmF1ZCByYXRlIGRp dmlkZXIgY2FsY3VsYXRpb24KYW5kIHRoZSBTUEkgbW9kZSBjb25maWcsIGJ1dCB3b3VsZCBtYWtl IHRlc3RpbmcgZWFzaWVyIGFuZCBnZXQgcmlkIG9mCnRoZSBpbmRpcmVjdGlvbiB0aGF0IGhhbmRs ZXMgdGhlIGRpZmZlcmVudCByZWdpc3RlciBvZmZzZXRzIGFuZCBmaWVsZAptYXNrcyBvbiBlYWNo IHBsYXRmb3JtLiBUaGUgY29kZSBmb3IgYWN0dWFsbHkgdHJhbnNjaWV2aW5nIGRhdGEgYW5kCmhh bmRsaW5nIElSUXMgaXMgYWxyZWFkeSBwbGF0Zm9ybSBzcGVjaWZpYy4KCgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=