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Fri, 09 Aug 2019 22:29:45 -0700 (PDT) From: Yangtao Li To: rui.zhang@intel.com, edubezval@gmail.com, daniel.lezcano@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, maxime.ripard@bootlin.com, wens@csie.org, mchehab+samsung@kernel.org, davem@davemloft.net, gregkh@linuxfoundation.org, Jonathan.Cameron@huawei.com, nicolas.ferre@microchip.com Subject: [PATCH v5 08/18] thermal: sun8i: support mod clocks Date: Sat, 10 Aug 2019 05:28:19 +0000 Message-Id: <20190810052829.6032-9-tiny.windzz@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190810052829.6032-1-tiny.windzz@gmail.com> References: <20190810052829.6032-1-tiny.windzz@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190809_222946_508947_50FD540E X-CRM114-Status: GOOD ( 13.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Yangtao Li , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org H3 has extra clock, so introduce something in ths_thermal_chip/ths_device and adds the process of the clock. This is pre-work for supprt it. Signed-off-by: Yangtao Li --- drivers/thermal/sun8i_thermal.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c index b934bc81eba7..6f4294c2aba7 100644 --- a/drivers/thermal/sun8i_thermal.c +++ b/drivers/thermal/sun8i_thermal.c @@ -54,6 +54,7 @@ struct tsensor { }; struct ths_thermal_chip { + bool has_mod_clk; int sensor_num; int offset; int scale; @@ -69,6 +70,7 @@ struct ths_device { struct regmap *regmap; struct reset_control *reset; struct clk *bus_clk; + struct clk *mod_clk; struct tsensor sensor[MAX_SENSOR_NUM]; }; @@ -274,6 +276,12 @@ static int sun8i_ths_resource_init(struct ths_device *tmdev) if (IS_ERR(tmdev->bus_clk)) return PTR_ERR(tmdev->bus_clk); + if (tmdev->chip->has_mod_clk) { + tmdev->mod_clk = devm_clk_get(&pdev->dev, "mod"); + if (IS_ERR(tmdev->mod_clk)) + return PTR_ERR(tmdev->mod_clk); + } + ret = reset_control_deassert(tmdev->reset); if (ret) return ret; @@ -282,12 +290,18 @@ static int sun8i_ths_resource_init(struct ths_device *tmdev) if (ret) goto assert_reset; - ret = sun50i_ths_calibrate(tmdev); + ret = clk_prepare_enable(tmdev->mod_clk); if (ret) goto bus_disable; + ret = sun50i_ths_calibrate(tmdev); + if (ret) + goto mod_disable; + return 0; +mod_disable: + clk_disable_unprepare(tmdev->mod_clk); bus_disable: clk_disable_unprepare(tmdev->bus_clk); assert_reset: @@ -395,6 +409,7 @@ static int sun8i_ths_remove(struct platform_device *pdev) { struct ths_device *tmdev = platform_get_drvdata(pdev); + clk_disable_unprepare(tmdev->mod_clk); clk_disable_unprepare(tmdev->bus_clk); reset_control_assert(tmdev->reset); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel