From patchwork Thu Sep 19 09:12:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 13807552 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BB310CE8D62 for ; Thu, 19 Sep 2024 09:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9CTmBkPAXaQ/0JRnWHyaRnFeaGKQlU3ba5FlqnQMvNo=; b=Kw5pbzjJYH9BH+ 0IQXy9+JRtBz+mUL/eksAztx20JR1pZ4EFYoM4qSfD89xEasKVKnLR2Wf15JAK+51vH9QQnL3RGZw icGWev0qFRLrTj5dBDZKLQYXZroJMykKxbEMAUltDVdEr2NDjxcLZNLLN8uYOjVVdEO6OolBM/McD ajtxLi5K/tUF/hODLBLb9XViM1DTh3ko8ByWgHAplAvceN1d0kN+oOcPNsa/50rdu7qao2INkj9jr yhFUH2zHMhmsbKsS1hIshVjorw5MZBLpo3sMedZhaY7jAP5B9NgSxvDmWIJMeO4ezZgfsvW2TcpFZ ohhkWRSoIQ3z5ah62BnA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1srDJE-00000009txP-18Lb; Thu, 19 Sep 2024 09:18:44 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1srDJ8-00000009tt5-2AqD for linux-rockchip@lists.infradead.org; Thu, 19 Sep 2024 09:18:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1726737516; bh=Zxm1uLqr1zUwk6C1A4ApcASI47Ep0+VpPk2kApygxO0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p8IxNupLEi1CO37HBlbjusvnuFIXtFUWOIq1ZrBo8FjbwNC7puM9FfInIJkgLKdc6 zFt/0ho4FEjSfoa4Ja6R6syk1kgexB3Z/KzPh8jNChqKcLrNw2wBxOAP1Pw1c1y4I2 7YRI4G66Q1bfNahuxFF91JdiKGBJ7lQ4wA3NpAgebeszWU1pX6MF6ocUB+fAnLYVAj V1Vsd7EL9OiOaP2s83dtJBfN3rt1itloAj1FBKBkhAjAyAAdij1Vq52KCAH0DshQ77 jqRyRSQwfmbAge5AfR80K9MA07t5cLDEDLd1xgJFa+bkInNg4runv4f2PBjci2Oqhf AqKUuVqYYUaow== Received: from jupiter.universe (dyndsl-091-248-208-160.ewe-ip-backbone.de [91.248.208.160]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: sre) by bali.collaboradmins.com (Postfix) with ESMTPSA id 808BF17E1082; Thu, 19 Sep 2024 11:18:36 +0200 (CEST) Received: by jupiter.universe (Postfix, from userid 1000) id 5C1B5480085; Thu, 19 Sep 2024 11:18:36 +0200 (CEST) From: Sebastian Reichel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Ulf Hansson Cc: Elaine Zhang , =?utf-8?q?Adri=C3=A1n_Mart?= =?utf-8?q?=C3=ADnez_Larumbe?= , Boris Brezillon , Chen-Yu Tsai , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCH v2 3/6] pmdomain: rockchip: reduce indentation in rockchip_pd_power Date: Thu, 19 Sep 2024 11:12:44 +0200 Message-ID: <20240919091834.83572-4-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240919091834.83572-1-sebastian.reichel@collabora.com> References: <20240919091834.83572-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240919_021838_953090_1BAFE3B1 X-CRM114-Status: GOOD ( 15.07 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Rework the logic, so that the function exits early when the power domain state is already correct to reduce code indentation. No functional change intended. Reviewed-by: Heiko Stuebner Tested-by: Adrian Larumbe # On Rock 5B Signed-off-by: Sebastian Reichel --- drivers/pmdomain/rockchip/pm-domains.c | 45 +++++++++++++------------- 1 file changed, 23 insertions(+), 22 deletions(-) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index 5e5291dedd28..663d390faaeb 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -537,36 +537,37 @@ static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on) guard(mutex)(&pmu->mutex); - if (rockchip_pmu_domain_is_on(pd) != power_on) { - ret = clk_bulk_enable(pd->num_clks, pd->clks); - if (ret < 0) { - dev_err(pmu->dev, "failed to enable clocks\n"); - return ret; - } + if (rockchip_pmu_domain_is_on(pd) == power_on) + return 0; - if (!power_on) { - rockchip_pmu_save_qos(pd); + ret = clk_bulk_enable(pd->num_clks, pd->clks); + if (ret < 0) { + dev_err(pmu->dev, "failed to enable clocks\n"); + return ret; + } - /* if powering down, idle request to NIU first */ - rockchip_pmu_set_idle_request(pd, true); - } + if (!power_on) { + rockchip_pmu_save_qos(pd); - ret = rockchip_do_pmu_set_power_domain(pd, power_on); - if (ret < 0) { - clk_bulk_disable(pd->num_clks, pd->clks); - return ret; - } + /* if powering down, idle request to NIU first */ + rockchip_pmu_set_idle_request(pd, true); + } - if (power_on) { - /* if powering up, leave idle mode */ - rockchip_pmu_set_idle_request(pd, false); + ret = rockchip_do_pmu_set_power_domain(pd, power_on); + if (ret < 0) { + clk_bulk_disable(pd->num_clks, pd->clks); + return ret; + } - rockchip_pmu_restore_qos(pd); - } + if (power_on) { + /* if powering up, leave idle mode */ + rockchip_pmu_set_idle_request(pd, false); - clk_bulk_disable(pd->num_clks, pd->clks); + rockchip_pmu_restore_qos(pd); } + clk_bulk_disable(pd->num_clks, pd->clks); + return 0; }