From patchwork Thu May 25 10:03:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tirupathi Reddy X-Patchwork-Id: 9748057 X-Patchwork-Delegate: agross@codeaurora.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0AD2B6032C for ; Thu, 25 May 2017 10:03:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DDB7F26E3A for ; Thu, 25 May 2017 10:03:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CE48F27852; Thu, 25 May 2017 10:03:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5D81426E3A for ; Thu, 25 May 2017 10:03:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032367AbdEYKDd (ORCPT ); Thu, 25 May 2017 06:03:33 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:54550 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032114AbdEYKDc (ORCPT ); Thu, 25 May 2017 06:03:32 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id BEBFF60818; Thu, 25 May 2017 10:03:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1495706611; bh=H8KjQLT6SaYc0sp1kDnPpClomcF7F3bZB9eBkXvAPXw=; h=From:To:Cc:Subject:Date:From; b=YvuPBb8J8C/HmccZeiyYs+P/Y6lAwlfSJLp0hmJSIOCpRjBDm5KsF5pk8KYkvQAm/ zCld2MFhOqFnSmQZogUuvYpGYwM6aowpGK4o4rUIE686BlOPuhPU6EkBd9pe+U2wZY R6IRqqT4wGCxs4UnZWkSLml1Mm7OaBAx9iFFUnEk= Received: from tirupath-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: tirupath@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 842EE60818; Thu, 25 May 2017 10:03:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1495706611; bh=H8KjQLT6SaYc0sp1kDnPpClomcF7F3bZB9eBkXvAPXw=; h=From:To:Cc:Subject:Date:From; b=YvuPBb8J8C/HmccZeiyYs+P/Y6lAwlfSJLp0hmJSIOCpRjBDm5KsF5pk8KYkvQAm/ zCld2MFhOqFnSmQZogUuvYpGYwM6aowpGK4o4rUIE686BlOPuhPU6EkBd9pe+U2wZY R6IRqqT4wGCxs4UnZWkSLml1Mm7OaBAx9iFFUnEk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 842EE60818 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=tirupath@codeaurora.org From: Tirupathi Reddy To: broonie@kernel.org, lgirdwood@gmail.com Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Tirupathi Reddy Subject: [PATCH V1] regulator: core: Fix voltage change propagations to supply regulators Date: Thu, 25 May 2017 15:33:17 +0530 Message-Id: <1495706597-10605-1-git-send-email-tirupath@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Some regulators support get_voltage and some support get_voltage_sel operations. Do voltage change propagation only when the current regulator has a minimum dropout voltage specified or if the current regulator lacks both get_voltage and get_voltage_sel operations. Signed-off-by: Tirupathi Reddy --- drivers/regulator/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index c0d9ae8..9fecbd4 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2938,7 +2938,8 @@ static int regulator_set_voltage_unlocked(struct regulator *regulator, if (rdev->supply && regulator_ops_is_valid(rdev->supply->rdev, REGULATOR_CHANGE_VOLTAGE) && - (rdev->desc->min_dropout_uV || !rdev->desc->ops->get_voltage)) { + (rdev->desc->min_dropout_uV || !(rdev->desc->ops->get_voltage || + rdev->desc->ops->get_voltage_sel))) { int current_supply_uV; int selector;