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: 625201 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 431D5C43219 for ; Wed, 16 Nov 2022 10:59:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238784AbiKPK73 (ORCPT ); Wed, 16 Nov 2022 05:59:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232499AbiKPK7Q (ORCPT ); Wed, 16 Nov 2022 05:59:16 -0500 Received: from mail-wr1-x431.google.com (mail-wr1-x431.google.com [IPv6:2a00:1450:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0503A31FA4 for ; Wed, 16 Nov 2022 02:47:44 -0800 (PST) Received: by mail-wr1-x431.google.com with SMTP id j15so29265375wrq.3 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=ZB4xOVrq138luehbqkA0b2KIx2by0NSHB6bSjWQoz3N/D+dWdPyyFM8Cw3qOvkE9pI Jm+0mYAsjO27XxSkmByTfU4V/CELYS0MsME9g8+pSSJ5P5oIa3KqcMa3nbFNQnE1JsQz ZhA0SR5fCFMJQaqlsBFr5rmsi3FcRZjkwlppmSR5udmZnD2qfs+dPHS0UqwadF1qPIef 1KJsJkrEi1ACgRuw6J5PZod3jEf09mhXYGygcgTt7C+HLrQpQ7bv6o5zPImZv2Rv+u4S kKWLCw6pE1wkcnwM+JaNFIIuT9l8TqlhUJi+rFsfbyynCWmTSwe0ilduw+xlGuBD/R5W 0KEw== X-Gm-Message-State: ANoB5pmREdicVoY6qQiCexWRmPNLcyAwABYX5sWzKHF/EHS0KsgLpLny 3Ibbwv12mz7PTCSly9eEaXlGCA== X-Google-Smtp-Source: AA0mqf4WBPtOReWU9gT519T6S9PhzndqDxzFn+gvUgP31BVC2LgckwRAqGHMmMBj60mayflpSDwWSg== 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 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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;