From patchwork Wed Nov 16 10:47:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 20930 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:6687:0:0:0:0:0 with SMTP id l7csp78168wru; Wed, 16 Nov 2022 03:05:33 -0800 (PST) X-Google-Smtp-Source: AA0mqf7WRoAzHwPJ/tgz3aza2ofRnl1CnlGgrnFopIBKfopfqrBzj6CD/B+ghLJiszJIG69ntHcm X-Received: by 2002:a50:9503:0:b0:457:1edb:996c with SMTP id u3-20020a509503000000b004571edb996cmr18550534eda.363.1668596733365; Wed, 16 Nov 2022 03:05:33 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1668596733; cv=none; d=google.com; s=arc-20160816; b=g3D+AcXbOGkphJVelGvVHIRa8GLfrZDZPcQ0KOzplimfg/AseDXKaRNSA0yKmF2HNm hl5Gf02vBTj11IoCmWSxO4DX8IyREArcTJkeOOs4eMH0S6dd9s8rGmUKn7QIIrqLWXj8 oty6mzsgtbK61+UOLXX3EAr7wNyhKDAgaRtpF8dhYPFgYJdcH0jfVSxWhtzud6n6Svoi kNtKxYM64UhiIJzAZLTqEvl/pQxNhAvO8jedsmHcRJIh5PbNQppZLkMa1H6xUn/YtnYz rXYfmTOWIRQMoyMP6J4EA4Iytb1TfoxufGnDy0Md20GTAcJGsqO1kRh8oPR3fIbrLXqj UytA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=2IVe9z2DRaTpvuGUSecduIjpav4fz8lnSRnMClXaA5o=; b=ht2ouhHvdzH4uybz7gbsKqRG9ehQOUop9844wXbXeaN0GWZy0zeiO1alMRLMCfa2yl 8fzb8qTCUSK8antajoCJv8jrLvEHVUKHTNQq1H1tLg/Krfgm+0nSX2f+OWMFXTphAIUu gkRD63t5cdpXfmUboIExmpTiLlwpeChAMGJV+QY1Gs5QLm+IiroeZAo/DOE1CNjPbQpb 7/dj5zd7hbWjY0tjQeI3YlDUf7XeXjPKm4+oiMxu90Ybq4nfOVwTJYdVYDKKbI1wATU5 fTDLnEWyKUJyRHW2yZBj2pszlpGxXoZk4u7PVJCgCszI7N5Po86DgsiIqqxs+7N+B6t3 qKQA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=AKblV7DJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id dn5-20020a17090794c500b00787803711f9si15066454ejc.353.2022.11.16.03.05.08; Wed, 16 Nov 2022 03:05:33 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=AKblV7DJ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233375AbiKPK7l (ORCPT + 99 others); Wed, 16 Nov 2022 05:59:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232965AbiKPK7R (ORCPT ); Wed, 16 Nov 2022 05:59:17 -0500 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 109373E094 for ; Wed, 16 Nov 2022 02:47:44 -0800 (PST) Received: by mail-wr1-x429.google.com with SMTP id y16so29224319wrt.12 for ; Wed, 16 Nov 2022 02:47:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2IVe9z2DRaTpvuGUSecduIjpav4fz8lnSRnMClXaA5o=; b=AKblV7DJ/Aqye0KufMndVW5OUGZ7dLwBrbHneuatF7kJrEWjMZ0N9nbCJe5qKXYsrm Zsfcm/I8eLye1rP0M09DIi0eX6T3uTmpLJ/qJZsfhN4q1KIWf9F6cuK66t+W+kMYJRuQ v+QgumIAdRbexl+x1L5Bhqt6t4qqbNRm2/rq4yG9kp9eTtRIXkINgfTep8Wedl2oI0NP ZtCDL01mmdMPum9PzjoHAevaiiZHeMHIS9RClhb1NAcUiSNPC8R6T3/sYSKhEIv3n0S5 Cel7U/nNCkeZcOyE8autu1+CSnf1XmlEFytA17Dfjl8aIeOioYsOhLBoevEL4G6bbuRq /rsg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=2IVe9z2DRaTpvuGUSecduIjpav4fz8lnSRnMClXaA5o=; b=KxaP42ehPP6CxwQ5B3Y/NhRMRZ0EHfSxjhOjvlCu2QKtXUZ22ntyGspGrp85Uh2BLf XH2PaTMwdB0lmE4zNqAHol/MPvFuhkMEsIVHn3ruRtMv45ZKxoCcNUSiOszSkVq+62vi l1iVR7knpDJbKPQpr1WFzNjk/NpESweWkFhd4d2uLTRQRVR8KLt0f1Q+MqWZx5vIJGcs n/bChGBOW8QAb/B5Xxq6jS0/PPfRxoNknZ8oHgITsNzwRFPi9aABB66xhzWTACfdcEs2 560LGEhSWTa2I1HjRNv8l+S9WPcqvZ8N5xFPlHx/xjutTPrWHwhCFlQMW6FX2oW0V2vI jKBQ== X-Gm-Message-State: ANoB5pl+wXusjPx6OrEuGy2A8NcYZa5iAtqa1eA+fxA04MAraJ51S2P4 tCxbPvZmR7DRq/u6LU3XuFHyNw== X-Received: by 2002:adf:f287:0:b0:238:589f:e610 with SMTP id k7-20020adff287000000b00238589fe610mr13560073wro.42.1668595662558; Wed, 16 Nov 2022 02:47:42 -0800 (PST) Received: from localhost.localdomain ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id b3-20020adff903000000b002366fb99cdasm14674206wrr.50.2022.11.16.02.47.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Nov 2022 02:47:42 -0800 (PST) From: Abel Vesa To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Mike Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski Cc: Linux Kernel Mailing List , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 2/9] clk: qcom: gdsc: Add configurable poll timeout Date: Wed, 16 Nov 2022 12:47:09 +0200 Message-Id: <20221116104716.2583320-3-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221116104716.2583320-1-abel.vesa@linaro.org> References: <20221116104716.2583320-1-abel.vesa@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749650488258700471?= X-GMAIL-MSGID: =?utf-8?q?1749650488258700471?= Depending on the platform, the poll timeout delay might be different, so allow the platform specific drivers to specify their own values. Signed-off-by: Abel Vesa Reviewed-by: Konrad Dybcio --- drivers/clk/qcom/gdsc.c | 5 ++++- drivers/clk/qcom/gdsc.h | 1 + 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c index 0f21a8a767ac..3753f3ef7241 100644 --- a/drivers/clk/qcom/gdsc.c +++ b/drivers/clk/qcom/gdsc.c @@ -107,7 +107,7 @@ static int gdsc_poll_status(struct gdsc *sc, enum gdsc_status status) do { if (gdsc_check_status(sc, status)) return 0; - } while (ktime_us_delta(ktime_get(), start) < TIMEOUT_US); + } while (ktime_us_delta(ktime_get(), start) < sc->poll_timeout); if (gdsc_check_status(sc, status)) return 0; @@ -454,6 +454,9 @@ static int gdsc_init(struct gdsc *sc) if (ret) goto err_disable_supply; + if (!sc->poll_timeout) + sc->poll_timeout = 500; + return 0; err_disable_supply: diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h index 803512688336..9a1e1fb3d12f 100644 --- a/drivers/clk/qcom/gdsc.h +++ b/drivers/clk/qcom/gdsc.h @@ -36,6 +36,7 @@ struct gdsc { struct generic_pm_domain *parent; struct regmap *regmap; unsigned int gdscr; + unsigned int poll_timeout; unsigned int collapse_ctrl; unsigned int collapse_mask; unsigned int gds_hw_ctrl;