From patchwork Wed Dec 11 14:26:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 13903595 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 7FD6DE77186 for ; Wed, 11 Dec 2024 14:32:02 +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=cldr+38l6dXe3wP4KARdaLgDLxP8Pp0u4G7eWFy0+Po=; b=lbte9mT1Z//io0 yUwOZvpr1ai3j6CvgdrD+dLmRb3uszDHqPDCuW7uqr/t2D8/j0VobGrVOx4B5CE834U074ayP3Ewe S+XmU6ANRgDdLmXXRfDEv3em7Uz4jMqbLFWBCJv6DRpkRsn8aNPDhnEx9ibTDbxlAr0Z05T+RhQgg Jg4/nyu9uLj3XEe4kyIaMNb/Vr/FUuQ2VgzbAOCTh54LTq6uBg0mBvBn+dpfn5m3cXsG2HRD707CJ x/Gb2t5pcwlKMQErKYP5gvbrh0/O84QqSJmVfDu9gyCf5pENzhg2/eKK23W7PT6X2XiZVTFngULsF tzQDEyxLpLB1YX5dKIxg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tLNkq-0000000F9IQ-3ocZ; Wed, 11 Dec 2024 14:31:56 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tLNjj-0000000F8vc-3x6v for linux-rockchip@lists.infradead.org; Wed, 11 Dec 2024 14:30:49 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1733927446; bh=jP19wEdhWfz0RGr3EeS8+c0hyJi31NuOGQuMuKbiP3g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ftMBKconAIvegJx96DcsifmGojNfECuYoZal4pz1FUWTEydH9Wq2ipPMOfj9SZarx 5D4LdNlvAwyV5wpga0NPlBu81y9cXY63IbjkV0nF5rRUyQ5gJrnAMPt9tPWrXbSOD4 /5stQSmaSQDXkKg20xCMGgoNe+IDvZtFIijZDRzbRw+FXU7Smga28w/YNA6ShWifZ2 TaUnKXKs4eywSRfnlHdNG0m26hEGOYjBJjYg9FZoktCsl3AzbZqEoUwITu6xbm9i5u BaXt9HE6XAqWb1cruWUQIcGxW/3xtKODyT452LJoA5D1zGcHhRTF3ue3KtF6HWjNKr IBWNNR1+PlQlw== Received: from jupiter.universe (dyndsl-091-248-215-089.ewe-ip-backbone.de [91.248.215.89]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sre) by bali.collaboradmins.com (Postfix) with ESMTPSA id 43B3417E3779; Wed, 11 Dec 2024 15:30:46 +0100 (CET) Received: by jupiter.universe (Postfix, from userid 1000) id 7DECD48CC8E; Wed, 11 Dec 2024 15:30:45 +0100 (CET) From: Sebastian Reichel To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Ulf Hansson , Mark Brown Cc: Liam Girdwood , Elaine Zhang , =?utf-8?q?Adri=C3=A1n_Mart=C3=ADne?= =?utf-8?q?z_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 v5 4/7] pmdomain: rockchip: reduce indentation in rockchip_pd_power Date: Wed, 11 Dec 2024 15:26:49 +0100 Message-ID: <20241211143044.9550-5-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241211143044.9550-1-sebastian.reichel@collabora.com> References: <20241211143044.9550-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241211_063048_126338_5A2F1E07 X-CRM114-Status: GOOD ( 14.34 ) 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: Heiko Stuebner Tested-by: Adrian Larumbe # On Rock 5B Signed-off-by: Sebastian Reichel --- drivers/pmdomain/rockchip/pm-domains.c | 49 +++++++++++++------------- 1 file changed, 25 insertions(+), 24 deletions(-) diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c index 8f440f2883db..f4e555dac20a 100644 --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -582,39 +582,40 @@ 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; - rockchip_pmu_ungate_clk(pd, true); + ret = clk_bulk_enable(pd->num_clks, pd->clks); + if (ret < 0) { + dev_err(pmu->dev, "failed to enable clocks\n"); + return ret; + } - if (!power_on) { - rockchip_pmu_save_qos(pd); + rockchip_pmu_ungate_clk(pd, true); - /* 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); - rockchip_pmu_ungate_clk(pd, false); - clk_bulk_disable(pd->num_clks, pd->clks); + rockchip_pmu_restore_qos(pd); } + rockchip_pmu_ungate_clk(pd, false); + clk_bulk_disable(pd->num_clks, pd->clks); + return 0; }