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[109.252.192.57]) by smtp.gmail.com with ESMTPSA id u5sm655596lff.78.2020.12.17.10.07.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Dec 2020 10:07:28 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Liam Girdwood , Ulf Hansson , Mauro Carvalho Chehab , Rob Herring , Peter Geis , Nicolas Chauvet , Krzysztof Kozlowski , "Rafael J. Wysocki" , Kevin Hilman , Peter De Schrijver , Viresh Kumar , Stephen Boyd , Michael Turquette Subject: [PATCH v2 08/48] regulator: Make regulator_sync_voltage() usable by coupled regulators Date: Thu, 17 Dec 2020 21:05:58 +0300 Message-Id: <20201217180638.22748-9-digetx@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201217180638.22748-1-digetx@gmail.com> References: <20201217180638.22748-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Fri, 18 Dec 2020 08:31:48 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devel@driverdev.osuosl.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Make regulator_sync_voltage() to re-balance voltage state of a coupled regulators instead of changing the voltage directly. Signed-off-by: Dmitry Osipenko --- drivers/regulator/core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index ca03d8e70bd1..576efb815eb8 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -4131,6 +4131,12 @@ int regulator_sync_voltage(struct regulator *regulator) if (ret < 0) goto out; + /* balance only if there are regulators coupled */ + if (rdev->coupling_desc.n_coupled > 1) { + ret = regulator_balance_voltage(rdev, PM_SUSPEND_ON); + goto out; + } + ret = _regulator_do_set_voltage(rdev, min_uV, max_uV); out: