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authorBilly Tsai <billy_tsai@aspeedtech.com>2021-09-22 11:15:10 +0300
committerJoel Stanley <joel@jms.id.au>2021-11-01 09:42:05 +0300
commitdeac1d3844c3f3cf18e8c6c6a2b6cf0cd0bd6cba (patch)
tree6a351ddc529753067d83831ce60d71f249d85fa1 /drivers/iio/adc/aspeed_adc.c
parente0965b6055941bb7954f95bc08210c7b0fa2e9ec (diff)
downloadlinux-deac1d3844c3f3cf18e8c6c6a2b6cf0cd0bd6cba.tar.xz
iio: adc: aspeed: Keep model data to driver data.
Keep the model data pointer to driver data for reducing the usage of of_device_get_match_data(). Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com> Link: https://lore.kernel.org/r/20210922081520.30580-2-billy_tsai@aspeedtech.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/iio/adc/aspeed_adc.c')
-rw-r--r--drivers/iio/adc/aspeed_adc.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/iio/adc/aspeed_adc.c b/drivers/iio/adc/aspeed_adc.c
index f055fe7b2c40..f84b6a806bab 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;
@@ -210,6 +206,7 @@ static int aspeed_adc_probe(struct platform_device *pdev)
data = iio_priv(indio_dev);
data->dev = &pdev->dev;
platform_set_drvdata(pdev, indio_dev);
+ data->model_data = of_device_get_match_data(&pdev->dev);
data->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(data->base))
@@ -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;