[v5 04/15] iio: adc: aspeed: Keep model data to driver data.
From: Jonathan Cameron <jic23@kernel.org>
Date: 2021-09-05 14:30:25
Also in:
linux-arm-kernel, linux-devicetree, linux-iio, lkml
On Tue, 31 Aug 2021 15:14:47 +0800 Billy Tsai [off-list ref] wrote:
Keep the model data pointer to driver data for reducing the usage of of_device_get_match_data(). Signed-off-by: Billy Tsai <redacted>
This one starts to be impacted by the fix (as its in the context). Rather than making a mess of things for linux-next etc I'll hold off on these until that fix is upstream in a few weeks. If I seem to have lost it (it's been known to happen :( ) then feel free to poke me! Thanks, Jonathan
quoted hunk ↗ jump to hunk
--- 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;