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[23.128.96.18]) by mx.google.com with ESMTP id q15si18050530ile.132.2021.07.21.22.31.34; Wed, 21 Jul 2021 22:31:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@mg.codeaurora.org header.s=smtp header.b=L+EZePOL; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230283AbhGVEsn (ORCPT + 99 others); Thu, 22 Jul 2021 00:48:43 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:35395 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230210AbhGVEsi (ORCPT ); Thu, 22 Jul 2021 00:48:38 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1626931753; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=NMzBBtYS6mPKSsDJSCvICZcI50wTwRIIqwTtE75ybxg=; b=L+EZePOL6y4LzSjTF1wprGkjSTIawYCz2Oq228i2WC9qwDHbxYijSh75dZsyvR/TVUWA7UDD hR435LStnPfTwvTWpqNqToSs39/iC011Wnm+Gn6BYHmfg0WLcOJUf80IHLjc2bNGmgTp7FYv S0Cxbbc82+J3EIOQgz7ZUXPsOD0= X-Mailgun-Sending-Ip: 69.72.43.7 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n01.prod.us-west-2.postgun.com with SMTP id 60f9021ae81205dd0acd48e6 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 22 Jul 2021 05:28:58 GMT Sender: rnayak=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 2C019C43460; Thu, 22 Jul 2021 05:28:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00,SPF_FAIL, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from blr-ubuntu-173.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: rnayak) by smtp.codeaurora.org (Postfix) with ESMTPSA id 31C66C433D3; Thu, 22 Jul 2021 05:28:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 31C66C433D3 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=rnayak@codeaurora.org From: Rajendra Nayak To: agross@kernel.org, bjorn.andersson@linaro.org, srinivas.kandagatla@linaro.org, robh+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, rbokka@codeaurora.org, Rajendra Nayak Subject: [PATCH 2/3] nvmem: qfprom: sc7280: Handle the additional power-domains vote Date: Thu, 22 Jul 2021 10:58:35 +0530 Message-Id: <1626931716-10591-3-git-send-email-rnayak@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1626931716-10591-1-git-send-email-rnayak@codeaurora.org> References: <1626931716-10591-1-git-send-email-rnayak@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On sc7280, to reliably blow fuses, we need an additional vote on max performance state of 'MX' power-domain. Add support for power-domain performance state voting in the driver. Signed-off-by: Rajendra Nayak --- drivers/nvmem/qfprom.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c index 81fbad5..4d0a576 100644 --- a/drivers/nvmem/qfprom.c +++ b/drivers/nvmem/qfprom.c @@ -12,6 +12,8 @@ #include #include #include +#include +#include #include #include @@ -149,6 +151,11 @@ static void qfprom_disable_fuse_blowing(const struct qfprom_priv *priv, if (ret) dev_warn(priv->dev, "Failed to set 0 voltage (ignoring)\n"); + if (priv->dev->pm_domain) { + dev_pm_genpd_set_performance_state(priv->dev, 0); + pm_runtime_put(priv->dev); + } + ret = regulator_disable(priv->vcc); if (ret) dev_warn(priv->dev, "Failed to disable regulator (ignoring)\n"); @@ -212,6 +219,16 @@ static int qfprom_enable_fuse_blowing(const struct qfprom_priv *priv, goto err_clk_rate_set; } + if (priv->dev->pm_domain) { + ret = pm_runtime_get_sync(priv->dev); + if (ret < 0) { + pm_runtime_put_noidle(priv->dev); + dev_err(priv->dev, "Failed to enable power-domain\n"); + goto err_reg_enable; + } + dev_pm_genpd_set_performance_state(priv->dev, INT_MAX); + } + old->timer_val = readl(priv->qfpconf + QFPROM_BLOW_TIMER_OFFSET); old->accel_val = readl(priv->qfpconf + QFPROM_ACCEL_OFFSET); writel(priv->soc_data->qfprom_blow_timer_value, @@ -221,6 +238,8 @@ static int qfprom_enable_fuse_blowing(const struct qfprom_priv *priv, return 0; +err_reg_enable: + regulator_disable(priv->vcc); err_clk_rate_set: clk_set_rate(priv->secclk, old->clk_rate); err_clk_prepared: @@ -420,6 +439,9 @@ static int qfprom_probe(struct platform_device *pdev) econfig.reg_write = qfprom_reg_write; } + if (dev->pm_domain) + pm_runtime_enable(dev); + nvmem = devm_nvmem_register(dev, &econfig); return PTR_ERR_OR_ZERO(nvmem); -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation