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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 A03EEC43461 for ; Tue, 6 Apr 2021 04:54:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 57B64613C0 for ; Tue, 6 Apr 2021 04:54:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243696AbhDFEyn (ORCPT ); Tue, 6 Apr 2021 00:54:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:56174 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242529AbhDFEym (ORCPT ); Tue, 6 Apr 2021 00:54:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1DC88613B7; Tue, 6 Apr 2021 04:54:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1617684875; bh=3oXESt8oQgiKW/qAWnzICznc5KQKnQJ+Fw+d+XpBiUE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ISUXBIjEtAuFGdfzBV8TvLh/0Kd1Xv1bB2XY2PGlKDxOsfdHlAnpU13cJv1hBDpf2 6DXbaixwTlj+LaGvXqwFrmJt9fXOO/9GeZ5T8fBhYMF6jl/xeCiPvAmfsL5aLunqYW PKJVZIQQWXv4t9r50kUqv1KXByTR8fdk77i1TKlP51MWi5TlYwii6DK0J/LBKT0ofO G3rcF/be7Rqz8GmBkdUDKfoQ7fBGJjGXOFPxxbhSDBnYVg5eNO2muYbdIqUS9Zh0DN 2APB0OrjOxkHOqZjCWHemaiBgiZv/KnIXwJTXBlWWCDIjQWiYXgTu5ls3CtpZI/Z62 QwRWYfMPjtecg== Date: Tue, 6 Apr 2021 10:24:31 +0530 From: Vinod Koul To: Srinivas Kandagatla Cc: yung-chuan.liao@linux.intel.com, pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, robh@kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v2] soundwire: qcom: wait for fifo space to be available before read/write Message-ID: References: <20210401090058.24041-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210401090058.24041-1-srinivas.kandagatla@linaro.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 01-04-21, 10:00, Srinivas Kandagatla wrote: > If we write registers very fast we can endup in a situation where some > of the writes will be dropped without any notice. > > So wait for the fifo space to be available before reading/writing the > soundwire registers. Applied, thanks -- ~Vinod