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Tue, 10 Sep 2019 12:36:35 +0000 (GMT) From: Sylwester Nawrocki To: krzk@kernel.org, vireshk@kernel.org Cc: robh+dt@kernel.org, kgene@kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, b.zolnierkie@samsung.com, m.szyprowski@samsung.com, Sylwester Nawrocki 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 Message-Id: <20190910123618.27985-2-s.nawrocki@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190910123618.27985-1-s.nawrocki@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupjleLIzCtJLcpLzFFi42LZduzned0rM8pjDRbd1rDYOGM9q8X8I+dY Lfofv2a2OH9+A7vFpsfXWC0u75rDZvG59wijxYzz+5gs1h65y27RuvcIu8XhN+2sFpsfHGNz 4PHYtKqTzWPzknqPvi2rGD0+b5ILYInisklJzcksSy3St0vgyrjcPIml4KxgxbL2vewNjHP4 uhg5OCQETCTaLth1MXJyCAmsYJRY8dG5i5ELyP7CKLHu8Sx2COczo8TVT3sZQapAGhb+38II kVjOKPHi/gtWuJals+awgFSxCRhK9B7tA+sQEVCXeHXqPzNIEbPAOiaJZbOWgSWEBaIlXvWt YAaxWQRUJVY/2g8W5xWwlljXsQpqnbzE6g0HwGo4BWwkTu3exQQySEKgm12ifc98VognXCSW 7A2DqBeWeHV8CzuELSNxenIPC0R9M6NEz+7b7BDOBEaJ+8cXQG2wljh8/CLYIGYBTYn1u/Qh wo4Sb57vZoOYzydx460gSJgZyJy0bTozRJhXoqNNCKJaReL3qulMELaURPeT/ywQtofEt6e7 mSEB1M8ose3bZNYJjPKzEJYtYGRcxSieWlqcm55abJyXWq5XnJhbXJqXrpecn7uJEZhKTv87 /nUH474/SYcYBTgYlXh4O1rKY4VYE8uKK3MPMUpwMCuJ8F7vK40V4k1JrKxKLcqPLyrNSS0+ xCjNwaIkzlvN8CBaSCA9sSQ1OzW1ILUIJsvEwSnVwJhjMvedzGohuTmy6zcvm3nYu1br/hcu n8Ob63aUa0oxLVltJca47DRbwbE3+yZZBMo7ejV6VDfPmf0wnUtpoqL5y02N3aVcjoufSM74 vtNA1v7i7i09El+EvOo7F/Xz7/x3vXRZX9Hl5ZccL2ts2N7w1+32/wm8PtnP1He02O6zFdc4 yLHj330lluKMREMt5qLiRACf1N1vIQMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrPLMWRmVeSWpSXmKPExsVy+t/xu7qXZ5THGrz9bW6xccZ6Vov5R86x WvQ/fs1scf78BnaLTY+vsVpc3jWHzeJz7xFGixnn9zFZrD1yl92ide8RdovDb9pZLTY/OMbm wOOxaVUnm8fmJfUefVtWMXp83iQXwBKlZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwe a2VkqqRvZ5OSmpNZllqkb5egl3G5eRJLwVnBimXte9kbGOfwdTFyckgImEgs/L+FsYuRi0NI YCmjRMPbc0AOB1BCSmJ+ixJEjbDEn2tdbBA1nxglln/uYARJsAkYSvQe7QOrFxHQlNi7DqyG WWAHk8TeZ3/ZQGqEBSIljv3aBlbPIqAqsfrRfjCbV8BaYl3HKkaIBfISqzccYAaxOQVsJE7t 3sUEYgsB1bz+OIV1AiPfAkaGVYwiqaXFuem5xUZ6xYm5xaV56XrJ+bmbGIGBve3Yzy07GLve BR9iFOBgVOLh7WgpjxViTSwrrsw9xCjBwawkwnu9rzRWiDclsbIqtSg/vqg0J7X4EKMp0FET maVEk/OBUZdXEm9oamhuYWlobmxubGahJM7bIXAwRkggPbEkNTs1tSC1CKaPiYNTqoFRUS8h KnzTOWH3N/Obsi/Gr9lyf+XGTo8z0zZ/DtZSM8juuamqnGIU+CK2Z6UUu9liBssXnUkXT6rO Ejhy//nU9Hxpz5od7snv+Fp8C0rzJnEoLK2oemfz41bUj3snGJLW5XbsDfu2Yl3eLA3vXI8r PnmLXu1Z8XxinX3B5hLWco0t2TF5dtFKLMUZiYZazEXFiQAoOznxggIAAA== X-CMS-MailID: 20190910123636eucas1p250ec04901f227b947cc38936563f63b2 X-Msg-Generator: CA X-RootMTR: 20190910123636eucas1p250ec04901f227b947cc38936563f63b2 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190910123636eucas1p250ec04901f227b947cc38936563f63b2 References: <20190910123618.27985-1-s.nawrocki@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org To be squashed with patch "PM / OPP: Support adjusting OPP voltages at runtime". Signed-off-by: Sylwester Nawrocki --- Changes since v3: - new patch drivers/opp/core.c | 10 ++++++++-- include/linux/pm_opp.h | 3 ++- 2 files changed, 10 insertions(+), 3 deletions(-) -- 2.17.1 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);