From patchwork Fri Jul 30 06:46:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 489490 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 212FDC4320A for ; Fri, 30 Jul 2021 06:46:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C4F06101C for ; Fri, 30 Jul 2021 06:46:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237679AbhG3Gqz (ORCPT ); Fri, 30 Jul 2021 02:46:55 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:31702 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237637AbhG3Gqx (ORCPT ); Fri, 30 Jul 2021 02:46:53 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1627627609; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=bDTBJjasDvsvnOA2Ju0/APpgdMAFTy27Cedsljl/O2E=; b=cTeHfir3ROiTyXT7E1rle0WzPF9giD8nV07H3hRgc4wlO2wCOwqeWBmUkyfnMWI4KX4X2lwB Gxi1vMqHXno58DGkeIBQFwDiFzR2HusgW17NmxW/Igt0S0x+y6GPZAFpp66sEqgj4luSWDmz oRDoK1UECpV/5ShmUjwUVPBwp4U= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI1YmJiNiIsICJkZXZpY2V0cmVlQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 6103a05396a66e66b275a152 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 30 Jul 2021 06:46:43 GMT Sender: rnayak=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id DD9E0C43217; Fri, 30 Jul 2021 06:46:43 +0000 (UTC) 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 74AAAC433D3; Fri, 30 Jul 2021 06:46:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 74AAAC433D3 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, dianders@chromium.org, Rajendra Nayak Subject: [PATCH v3 2/4] nvmem: qfprom: Fix up qfprom_disable_fuse_blowing() ordering Date: Fri, 30 Jul 2021 12:16:11 +0530 Message-Id: <1627627573-32454-3-git-send-email-rnayak@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1627627573-32454-1-git-send-email-rnayak@codeaurora.org> References: <1627627573-32454-1-git-send-email-rnayak@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org qfprom_disable_fuse_blowing() disables a bunch of resources, and then does a few register writes in the 'conf' address space. It works perhaps because the resources are needed only for the 'raw' register space writes, and that the 'conf' space allows read/writes regardless. However that makes the code look confusing, so just move the register writes before turning off the resources in the function. Signed-off-by: Rajendra Nayak --- drivers/nvmem/qfprom.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/nvmem/qfprom.c b/drivers/nvmem/qfprom.c index 81fbad5..b0ca4c6 100644 --- a/drivers/nvmem/qfprom.c +++ b/drivers/nvmem/qfprom.c @@ -139,6 +139,9 @@ static void qfprom_disable_fuse_blowing(const struct qfprom_priv *priv, { int ret; + writel(old->timer_val, priv->qfpconf + QFPROM_BLOW_TIMER_OFFSET); + writel(old->accel_val, priv->qfpconf + QFPROM_ACCEL_OFFSET); + /* * This may be a shared rail and may be able to run at a lower rate * when we're not blowing fuses. At the moment, the regulator framework @@ -159,9 +162,6 @@ static void qfprom_disable_fuse_blowing(const struct qfprom_priv *priv, "Failed to set clock rate for disable (ignoring)\n"); clk_disable_unprepare(priv->secclk); - - writel(old->timer_val, priv->qfpconf + QFPROM_BLOW_TIMER_OFFSET); - writel(old->accel_val, priv->qfpconf + QFPROM_ACCEL_OFFSET); } /**