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Fri, 09 Aug 2019 22:29:41 -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 07/18] thermal: sun8i: rework for ths irq handler func Date: Sat, 10 Aug 2019 05:28:18 +0000 Message-Id: <20190810052829.6032-8-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_222942_253302_96C48ADA X-CRM114-Status: GOOD ( 14.05 ) 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 Here, we do something to prepare for the subsequent support of multiple platforms. 1) rename sun50i_h6_irq_thread to sun8i_irq_thread, because this function should be suitable for all platforms. 2) introduce irq_ack callback to mask interrupt register differences. Signed-off-by: Yangtao Li --- drivers/thermal/sun8i_thermal.c | 27 ++++++++++++++++++++------- 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c index ad877b54f58e..b934bc81eba7 100644 --- a/drivers/thermal/sun8i_thermal.c +++ b/drivers/thermal/sun8i_thermal.c @@ -60,6 +60,7 @@ struct ths_thermal_chip { int ft_deviation; int temp_data_base; int (*init)(struct ths_device *tmdev); + int (*irq_ack)(struct ths_device *tmdev); }; struct ths_device { @@ -116,23 +117,34 @@ static const struct regmap_config config = { .fast_io = true, }; -static irqreturn_t sun50i_h6_irq_thread(int irq, void *data) +static int sun50i_h6_irq_ack(struct ths_device *tmdev) { - struct ths_device *tmdev = data; - int i, state; + int i, state, ret = 0; regmap_read(tmdev->regmap, SUN50I_H6_THS_DIS, &state); for (i = 0; i < tmdev->chip->sensor_num; i++) { - if (state & SUN50I_H6_THS_DATA_IRQ_STS(i)) { - /* clear data irq pending */ regmap_write(tmdev->regmap, SUN50I_H6_THS_DIS, SUN50I_H6_THS_DATA_IRQ_STS(i)); + ret |= BIT(i); + } + } + + return ret; +} +static irqreturn_t sun8i_irq_thread(int irq, void *data) +{ + struct ths_device *tmdev = data; + int i, state; + + state = tmdev->chip->irq_ack(tmdev); + + for (i = 0; i < tmdev->chip->sensor_num; i++) { + if (state & BIT(i)) thermal_zone_device_update(tmdev->sensor[i].tzd, THERMAL_EVENT_UNSPECIFIED); - } } return IRQ_HANDLED; @@ -371,7 +383,7 @@ static int sun8i_ths_probe(struct platform_device *pdev) * the end. */ ret = devm_request_threaded_irq(dev, irq, NULL, - sun50i_h6_irq_thread, + sun8i_irq_thread, IRQF_ONESHOT, "ths", tmdev); if (ret) return ret; @@ -396,6 +408,7 @@ static const struct ths_thermal_chip sun50i_h6_ths = { .ft_deviation = SUN50I_H6_FT_DEVIATION, .temp_data_base = SUN50I_H6_THS_TEMP_DATA, .init = sun50i_h6_thermal_init, + .irq_ack = sun50i_h6_irq_ack, }; static const struct of_device_id 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