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Fri, 09 Aug 2019 22:29:25 -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 04/18] thermal: sun8i: get ths sensor number from device compatible Date: Sat, 10 Aug 2019 05:28:15 +0000 Message-Id: <20190810052829.6032-5-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_222926_583029_F76E37C6 X-CRM114-Status: GOOD ( 15.63 ) 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 For different socs, the number of ths sensors is different. So we need to do some work in order to support more soc. Signed-off-by: Yangtao Li --- drivers/thermal/sun8i_thermal.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c index 2ce36fa3fec3..e9c2acbaac74 100644 --- a/drivers/thermal/sun8i_thermal.c +++ b/drivers/thermal/sun8i_thermal.c @@ -22,7 +22,6 @@ #define MAX_SENSOR_NUM 4 -#define SUN50I_H6_SENSOR_NUM 2 #define SUN50I_H6_OFFSET -2794 #define SUN50I_H6_SCALE -67 @@ -57,7 +56,12 @@ struct tsensor { int id; }; +struct ths_thermal_chip { + int sensor_num; +}; + struct ths_device { + const struct ths_thermal_chip *chip; struct device *dev; struct regmap *regmap; struct reset_control *reset; @@ -117,7 +121,7 @@ static irqreturn_t sun50i_h6_irq_thread(int irq, void *data) regmap_read(tmdev->regmap, SUN50I_H6_THS_DIS, &state); - for (i = 0; i < SUN50I_H6_SENSOR_NUM; i++) { + for (i = 0; i < tmdev->chip->sensor_num; i++) { if (state & SUN50I_H6_THS_DATA_IRQ_STS(i)) { /* clear data irq pending */ @@ -167,7 +171,7 @@ static int sun50i_ths_calibrate(struct ths_device *tmdev) goto out; } - if (!caldata[0] || callen < 2 + 2 * SUN50I_H6_SENSOR_NUM) { + if (!caldata[0] || callen < 2 + 2 * tmdev->chip->sensor_num) { ret = -EINVAL; goto out_free; } @@ -190,7 +194,7 @@ static int sun50i_ths_calibrate(struct ths_device *tmdev) */ ft_temp = caldata[0] & FT_TEMP_MASK; - for (i = 0; i < SUN50I_H6_SENSOR_NUM; i++) { + for (i = 0; i < tmdev->chip->sensor_num; i++) { int reg = (int)caldata[i + 1]; int sensor_temp = sun8i_ths_reg2temp(tmdev, reg); int delta, cdata, offset; @@ -297,10 +301,10 @@ static int sun50i_h6_thermal_init(struct ths_device *tmdev) regmap_write(tmdev->regmap, SUN50I_H6_THS_PC, SUN50I_H6_THS_PC_TEMP_PERIOD(58)); /* enable sensor */ - val = GENMASK(SUN50I_H6_SENSOR_NUM - 1, 0); + val = GENMASK(tmdev->chip->sensor_num - 1, 0); regmap_write(tmdev->regmap, SUN50I_H6_THS_ENABLE, val); /* thermal data interrupt enable */ - val = GENMASK(SUN50I_H6_SENSOR_NUM - 1, 0); + val = GENMASK(tmdev->chip->sensor_num - 1, 0); regmap_write(tmdev->regmap, SUN50I_H6_THS_DIC, val); return 0; @@ -311,7 +315,7 @@ static int sun8i_ths_register(struct ths_device *tmdev) struct thermal_zone_device *tzd; int i; - for (i = 0; i < SUN50I_H6_SENSOR_NUM; i++) { + for (i = 0; i < tmdev->chip->sensor_num; i++) { tmdev->sensor[i].tmdev = tmdev; tmdev->sensor[i].id = i; tmdev->sensor[i].tzd = @@ -337,6 +341,10 @@ static int sun8i_ths_probe(struct platform_device *pdev) return -ENOMEM; tmdev->dev = dev; + tmdev->chip = of_device_get_match_data(&pdev->dev); + if (!tmdev->chip) + return -EINVAL; + platform_set_drvdata(pdev, tmdev); ret = sun8i_ths_resource_init(tmdev); @@ -379,8 +387,12 @@ static int sun8i_ths_remove(struct platform_device *pdev) return 0; } +static const struct ths_thermal_chip sun50i_h6_ths = { + .sensor_num = 2, +}; + static const struct of_device_id of_ths_match[] = { - { .compatible = "allwinner,sun50i-h6-ths"}, + { .compatible = "allwinner,sun50i-h6-ths", .data = &sun50i_h6_ths }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, of_ths_match); -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel