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 X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9440C433DF for ; Wed, 5 Aug 2020 20:08:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 82B3C22B42 for ; Wed, 5 Aug 2020 20:08:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596658110; bh=EiATByOyKVVEDEiKPvEDXfJXjBlvSpmgzgFeI6rtaeE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=t+wB8hwpLxnx+JvHLL6EldI4HtvW03Iz5xeb76p+eJPMongja+CLXApn3Vp0kn4sW TN+CNgXe66Yo0sLldzYOwj9V51JR/Oq0OYwc5AqosusIFRAiOzNwBnWSjvcwZMhNQ/ 6o+d79dg7P544j5piH+MzlBXy5O/SVfLAO2Riik8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726197AbgHEUI3 (ORCPT ); Wed, 5 Aug 2020 16:08:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:49476 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726872AbgHEQce (ORCPT ); Wed, 5 Aug 2020 12:32:34 -0400 Received: from localhost (fw-tnat.cambridge.arm.com [217.140.96.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id BAA1622CF7; Wed, 5 Aug 2020 11:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596625426; bh=EiATByOyKVVEDEiKPvEDXfJXjBlvSpmgzgFeI6rtaeE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=1U99Db/ClRkQ6KDU37nlwCde0OcY8IsBhaUDb/7P4LktqYY+Z0aXwlIHJjaLLEg0i HP6UmQ81xNImqJlw9hvBneS5eOrYgM8OpOB2BwT4o1Bk6ZArKj0cqnNrzzsAZPZsn9 CMXDKJsrOkcPyiFsNo1isIOAWdLVMRyDgwbTlfLg= Date: Wed, 5 Aug 2020 12:03:23 +0100 From: Mark Brown To: Alain Volmat Cc: amelie.delaunay@st.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, linux-spi@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, fabrice.gasnier@st.com Subject: Re: [PATCH 16/18] spi: stm32: always perform registers configuration prior to transfer Message-ID: <20200805110323.GJ5556@sirena.org.uk> References: <1596610933-32599-1-git-send-email-alain.volmat@st.com> <1596610933-32599-17-git-send-email-alain.volmat@st.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="x+WOirvrtTKur1pg" Content-Disposition: inline In-Reply-To: <1596610933-32599-17-git-send-email-alain.volmat@st.com> X-Cookie: Fast, cheap, good: pick two. User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --x+WOirvrtTKur1pg Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Aug 05, 2020 at 09:02:11AM +0200, Alain Volmat wrote: > SPI registers content may have been lost upon suspend/resume sequence. > So, always compute and apply the necessary configuration in > stm32_spi_transfer_one_setup routine. This also. --x+WOirvrtTKur1pg Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl8qkfoACgkQJNaLcl1U h9BirAf9F8v+4ZpcM5/rsegzbIEMnqmQNj2m1sFs+bLGVfyscsekXzaSTqzqJkC7 nev7KJtz7moksvzFim3TlHdPOTGmX9YOGii/DSqoYftYYbqHLfZhYkEXE5xZQfkm NymiZpnrHMSWOUaV8EGcpL2971rJHz+7LoOwwiJAPLofZu6fJLHXDw7ZMCZ27RIk 6GKEVtsn+Vhh0oh5RzSVeKwmEBtaj0Qng8SA0xRC2+1dGhmPFYAbznHVWrFyJYs1 WtIKtCh/v8wZ732BrS4qiyd/l5UdyesjRBugNMwx7ZNlqLwYHiFQhh8VxX1ot+hI 72nCUjTwhxvzVa40nFYNpPYf/9ZbAw== =1GlO -----END PGP SIGNATURE----- --x+WOirvrtTKur1pg--