From: Sylwester Nawrocki <s.nawrocki@samsung•com>
To: krzk@kernel•org, vireshk@kernel•org
Cc: devicetree@vger•kernel.org, linux-samsung-soc@vger•kernel.org,
linux-pm@vger•kernel.org, b.zolnierkie@samsung•com,
linux-kernel@vger•kernel.org, robh+dt@kernel•org,
kgene@kernel•org, Sylwester Nawrocki <s.nawrocki@samsung•com>,
linux-arm-kernel@lists•infradead.org, m.szyprowski@samsung•com
Subject: [PATCH v4 1/6] opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage()
Date: Tue, 10 Sep 2019 14:36:13 +0200 [thread overview]
Message-ID: <20190910123618.27985-2-s.nawrocki@samsung.com> (raw)
In-Reply-To: <20190910123618.27985-1-s.nawrocki@samsung.com>
To be squashed with patch "PM / OPP: Support adjusting OPP voltages
at runtime".
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung•com>
---
Changes since v3:
- new patch
drivers/opp/core.c | 10 ++++++++--
include/linux/pm_opp.h | 3 ++-
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 407a07f29b12..4ebe5a6c280b 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2057,14 +2057,18 @@ static int _opp_set_availability(struct device *dev, unsigned long freq,
* dev_pm_opp_adjust_voltage() - helper to change the voltage of an OPP
* @dev: device for which we do this operation
* @freq: OPP frequency to adjust voltage of
- * @u_volt: new OPP voltage
+ * @u_volt: new OPP target voltage
+ * @u_volt_min: new OPP min voltage
+ * @u_volt_max: new OPP max voltage
*
* Return: -EINVAL for bad pointers, -ENOMEM if no memory available for the
* copy operation, returns 0 if no modifcation was done OR modification was
* successful.
*/
int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
- unsigned long u_volt)
+ unsigned long u_volt, unsigned long u_volt_min,
+ unsigned long u_volt_max)
+
{
struct opp_table *opp_table;
struct dev_pm_opp *tmp_opp, *opp = ERR_PTR(-ENODEV);
@@ -2098,6 +2102,8 @@ int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
goto adjust_unlock;
opp->supplies->u_volt = u_volt;
+ opp->supplies->u_volt_min = u_volt_min;
+ opp->supplies->u_volt_max = u_volt_max;
dev_pm_opp_get(opp);
mutex_unlock(&opp_table->lock);
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index 86947d53e8c4..0ee1daafe6af 100644
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -113,7 +113,8 @@ void dev_pm_opp_remove(struct device *dev, unsigned long freq);
void dev_pm_opp_remove_all_dynamic(struct device *dev);
int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
- unsigned long u_volt);
+ unsigned long u_volt, unsigned long u_volt_min,
+ unsigned long u_volt_max);
int dev_pm_opp_enable(struct device *dev, unsigned long freq);
--
2.17.1
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next prev parent reply other threads:[~2019-09-10 12:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190910123632eucas1p2cf941da5f74b892288dd5a92ff9fa9fb@eucas1p2.samsung.com>
2019-09-10 12:36 ` [PATCH v4 0/6] Exynos Adaptive Supply Voltage support Sylwester Nawrocki
2019-09-10 12:36 ` Sylwester Nawrocki [this message]
2019-10-02 14:33 ` [PATCH v4 1/6] opp: Handle target/min/max voltage in dev_pm_opp_adjust_voltage() Krzysztof Kozlowski
2019-10-02 15:54 ` Sylwester Nawrocki
2019-10-14 6:26 ` Viresh Kumar
2019-10-16 9:15 ` Sylwester Nawrocki
2019-09-10 12:36 ` [PATCH v4 2/6] dt-bindings: samsung: Update the CHIP ID binding documentation Sylwester Nawrocki
2019-09-17 18:13 ` Rob Herring
2019-10-02 15:48 ` Krzysztof Kozlowski
2019-10-02 16:00 ` Sylwester Nawrocki
2019-09-10 12:36 ` [PATCH v4 3/6] soc: samsung: Add Exynos Adaptive Supply Voltage driver Sylwester Nawrocki
2019-09-10 12:36 ` [PATCH v4 4/6] ARM: EXYNOS: Enable exynos-asv driver for ARCH_EXYNOS Sylwester Nawrocki
2019-09-10 12:36 ` [PATCH v4 5/6] ARM: dts: Add "syscon" compatible string to chipid node Sylwester Nawrocki
2019-10-02 15:44 ` Krzysztof Kozlowski
2019-09-10 12:36 ` [PATCH v4 6/6] ARM: dts: Add samsung,asv-bin property for odroidxu3-lite Sylwester Nawrocki
2019-10-02 15:44 ` Krzysztof Kozlowski
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