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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id j27-20020a5d453b000000b003095a329e90sm269781wra.97.2023.05.29.08.35.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 29 May 2023 08:35:36 -0700 (PDT) From: =?UTF-8?q?Bernhard=20Rosenkr=C3=A4nzer?= To: daniel.lezcano@linaro.org, angelogioacchino.delregno@collabora.com, rafael@kernel.org, amitk@kernel.org, rui.zhang@intel.com, matthias.bgg@gmail.com, robh+dt@kernel.org, krzystof.kozlowski+dt@linaro.org, rdunlap@infradead.org, ye.xingchen@zte.com.cn, p.zabel@pangutronix.de Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, wenst@chromium.org, james.lo@mediatek.com, rex-bc.chen@mediatek.com, nfraprado@collabora.com, abailon@baylibre.com, amergnat@baylibre.com, khilman@baylibre.com Subject: [PATCH v3 2/5] thermal/drivers/mediatek/lvts_thermal: Add suspend and resume Date: Mon, 29 May 2023 17:35:29 +0200 Message-ID: <20230529153532.3541327-3-bero@baylibre.com> X-Mailer: git-send-email 2.41.0.rc2 In-Reply-To: <20230529153532.3541327-1-bero@baylibre.com> References: <20230529153532.3541327-1-bero@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Balsam CHIHI Add suspend and resume support to LVTS driver. Signed-off-by: Balsam CHIHI Signed-off-by: Bernhard Rosenkr=C3=A4nzer --- drivers/thermal/mediatek/lvts_thermal.c | 34 +++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/medi= atek/lvts_thermal.c index d0a3f95b7884b..5ea8a9d569ea6 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -1169,6 +1169,38 @@ static int lvts_remove(struct platform_device *pdev) return 0; } =20 +static int lvts_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct lvts_domain *lvts_td; + int i; + + lvts_td =3D platform_get_drvdata(pdev); + + for (i =3D 0; i < lvts_td->num_lvts_ctrl; i++) + lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], false); + + clk_disable_unprepare(lvts_td->clk); + + return 0; +} + +static int lvts_resume(struct platform_device *pdev) +{ + struct lvts_domain *lvts_td; + int i, ret; + + lvts_td =3D platform_get_drvdata(pdev); + + ret =3D clk_prepare_enable(lvts_td->clk); + if (ret) + return ret; + + for (i =3D 0; i < lvts_td->num_lvts_ctrl; i++) + lvts_ctrl_set_enable(&lvts_td->lvts_ctrl[i], true); + + return 0; +} + static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] =3D { { .cal_offset =3D { 0x04, 0x07 }, @@ -1268,6 +1300,8 @@ MODULE_DEVICE_TABLE(of, lvts_of_match); static struct platform_driver lvts_driver =3D { .probe =3D lvts_probe, .remove =3D lvts_remove, + .suspend =3D lvts_suspend, + .resume =3D lvts_resume, .driver =3D { .name =3D "mtk-lvts-thermal", .of_match_table =3D lvts_of_match, --=20 2.41.0.rc2