From patchwork Wed Nov 23 14:20:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Abel Vesa X-Patchwork-Id: 627962 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 B39D3C4332F for ; Wed, 23 Nov 2022 14:20:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236579AbiKWOUe (ORCPT ); Wed, 23 Nov 2022 09:20:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43928 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237611AbiKWOUc (ORCPT ); Wed, 23 Nov 2022 09:20:32 -0500 Received: from mail-wr1-x430.google.com (mail-wr1-x430.google.com [IPv6:2a00:1450:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DED5C65848 for ; Wed, 23 Nov 2022 06:20:25 -0800 (PST) Received: by mail-wr1-x430.google.com with SMTP id i12so25745626wrb.0 for ; Wed, 23 Nov 2022 06:20:25 -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=J1lUAZwE9nSwZrZSdCxi2YHNb0JUQOB8Boyf/UVQig4=; b=jOc1XuaGWH38fitbCYxMFv5hFLYeq7pX12rcKz/fMsYXYSmsmsGUT4SJjSM47/LH0m gu2YmRZwCK1CftnhROPVGI40VmKIB3nRytGvnFboD133QMCEsGsa7z0Bbmvw97Ac1fI+ W5nzSGHHTdnpVlb1qF7piLTdFui1P44GtWU9jmeQs6G3KFmOD3lQpdKIovx6HIc9q8Ds RX4Xs8hbN+A1VVu8i2b+OkuB9E4/7cvhPwn9c3IadKS/fggEjZpuR03KSHsGyd/7eIUq 3QoNXULFuNx8F+gXc3PW2xqu5pBAekAn6Pctcnk+c52nwR5S3m3YD74Uqgsa1uhl+mOj hSEw== 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=J1lUAZwE9nSwZrZSdCxi2YHNb0JUQOB8Boyf/UVQig4=; b=tWpBP7Uer9jwkD3pjBTWlUJwt+/nHo+tGneAIioNRe/g6IfkOvv0I/JrX0x3veESHm yUdGmzdORjRKFkhlu8KljuRF8rbkoNCBdmKFWTA3sY7bsWWKftWKGhdjU2hs+gdxx1K7 BI/bcaXjFo/OIjBXI9OaszZkTNwz8uFZVWaNdbLnM6kbe1PM3LutriB2JCDyGwu0OQqw T0iQgbuaUt+Qy6LsPnOHYQmgEjgCW1GNgHCpeGX7mjnZKznLcQQFV1viTn+ttzH8KOym dYtTuACNF13oaACtsBqNOn8cwvUx69uVP4oHWaFoeWlzdC0g3SUaVFDVgOetqDwXS8vi U0mw== X-Gm-Message-State: ANoB5plQaYlwkJ/0gIkJDIASLScvDubZSiJoOCBB+o9ubICsrrweXhJp jWOx7DHZjsH47cWu0f8kTCMrRQ== X-Google-Smtp-Source: AA0mqf7KOwZUy2Dphz8/cE73GcxiXRlJsU/84TLZ6cfnJTS9LNACDALoOR0dgA4Or1a0N9RDxXFwiQ== X-Received: by 2002:adf:dc11:0:b0:241:f5f7:ca0a with SMTP id t17-20020adfdc11000000b00241f5f7ca0amr1218849wri.233.1669213224433; Wed, 23 Nov 2022 06:20:24 -0800 (PST) Received: from localhost.localdomain ([94.52.112.99]) by smtp.gmail.com with ESMTPSA id g9-20020a05600c4ec900b003cfd58409desm2837438wmq.13.2022.11.23.06.20.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Nov 2022 06:20:24 -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 v2 3/9] clk: qcom: gdsc: Add configurable poll timeout Date: Wed, 23 Nov 2022 16:20:03 +0200 Message-Id: <20221123142009.594781-4-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221123142009.594781-1-abel.vesa@linaro.org> References: <20221123142009.594781-1-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 --- Changes since v1: * Added Konrad's R-b tag 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;