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Date: Mon, 13 Sep 2021 15:53:27 +0800 Message-ID: <20210913075337.19991-2-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210913075337.19991-1-billy_tsai@aspeedtech.com> References: <20210913075337.19991-1-billy_tsai@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.2.149] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 18D7VKnC004716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210913_085138_916060_955A042E X-CRM114-Status: GOOD ( 13.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Keep the model data pointer to driver data for reducing the usage of of_device_get_match_data(). Signed-off-by: Billy Tsai --- drivers/iio/adc/aspeed_adc.c | 20 +++++++------------- 1 file changed, 7 insertions(+), 13 deletions(-) diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c index f055fe7b2c40..76ae1c3f584b 100644 --- a/drivers/iio/adc/aspeed_adc.c +++ b/drivers/iio/adc/aspeed_adc.c @@ -77,6 +77,7 @@ struct aspeed_adc_model_data { struct aspeed_adc_data { struct device *dev; + const struct aspeed_adc_model_data *model_data; void __iomem *base; spinlock_t clk_lock; struct clk_hw *clk_prescaler; @@ -118,8 +119,6 @@ static int aspeed_adc_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct aspeed_adc_data *data = iio_priv(indio_dev); - const struct aspeed_adc_model_data *model_data = - of_device_get_match_data(data->dev); switch (mask) { case IIO_CHAN_INFO_RAW: @@ -127,7 +126,7 @@ static int aspeed_adc_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - *val = model_data->vref_voltage; + *val = data->model_data->vref_voltage; *val2 = ASPEED_RESOLUTION_BITS; return IIO_VAL_FRACTIONAL_LOG2; @@ -146,13 +145,11 @@ static int aspeed_adc_write_raw(struct iio_dev *indio_dev, int val, int val2, long mask) { struct aspeed_adc_data *data = iio_priv(indio_dev); - const struct aspeed_adc_model_data *model_data = - of_device_get_match_data(data->dev); switch (mask) { case IIO_CHAN_INFO_SAMP_FREQ: - if (val < model_data->min_sampling_rate || - val > model_data->max_sampling_rate) + if (val < data->model_data->min_sampling_rate || + val > data->model_data->max_sampling_rate) return -EINVAL; clk_set_rate(data->clk_scaler->clk, @@ -198,7 +195,6 @@ static int aspeed_adc_probe(struct platform_device *pdev) { struct iio_dev *indio_dev; struct aspeed_adc_data *data; - const struct aspeed_adc_model_data *model_data; const char *clk_parent_name; int ret; u32 adc_engine_control_reg_val; @@ -209,6 +205,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) data = iio_priv(indio_dev); data->dev = &pdev->dev; + data->model_data = of_device_get_match_data(&pdev->dev); platform_set_drvdata(pdev, indio_dev); data->base = devm_platform_ioremap_resource(pdev, 0); @@ -249,9 +246,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) } reset_control_deassert(data->rst); - model_data = of_device_get_match_data(&pdev->dev); - - if (model_data->wait_init_sequence) { + if (data->model_data->wait_init_sequence) { /* Enable engine in normal mode. */ writel(FIELD_PREP(ASPEED_ADC_OP_MODE, ASPEED_ADC_OP_MODE_NORMAL) | @@ -281,8 +276,7 @@ static int aspeed_adc_probe(struct platform_device *pdev) writel(adc_engine_control_reg_val, data->base + ASPEED_REG_ENGINE_CONTROL); - model_data = of_device_get_match_data(&pdev->dev); - indio_dev->name = model_data->model_name; + indio_dev->name = data->model_data->model_name; indio_dev->info = &aspeed_adc_iio_info; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->channels = aspeed_adc_iio_channels; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel