Use new devm_spi_optimize_message() helper to simplify repeated code
in the ad7944 driver.
Signed-off-by: David Lechner <dlechner@xxxxxxxxxxxx>
---
drivers/iio/adc/ad7944.c | 26 +++-----------------------
1 file changed, 3 insertions(+), 23 deletions(-)
diff --git a/drivers/iio/adc/ad7944.c b/drivers/iio/adc/ad7944.c
index 4602ab5ed2a6..a6ac17c13a29 100644
--- a/drivers/iio/adc/ad7944.c
+++ b/drivers/iio/adc/ad7944.c
@@ -134,18 +134,12 @@ AD7944_DEFINE_CHIP_INFO(ad7985, ad7944, 16, 0);
/* fully differential */
AD7944_DEFINE_CHIP_INFO(ad7986, ad7986, 18, 1);
-static void ad7944_unoptimize_msg(void *msg)
-{
- spi_unoptimize_message(msg);
-}
-
static int ad7944_3wire_cs_mode_init_msg(struct device *dev, struct ad7944_adc *adc,
const struct iio_chan_spec *chan)
{
unsigned int t_conv_ns = adc->always_turbo ? adc->timing_spec->turbo_conv_ns
: adc->timing_spec->conv_ns;
struct spi_transfer *xfers = adc->xfers;
- int ret;
/*
* NB: can get better performance from some SPI controllers if we use
@@ -175,11 +169,7 @@ static int ad7944_3wire_cs_mode_init_msg(struct device *dev, struct ad7944_adc *
spi_message_init_with_transfers(&adc->msg, xfers, 3);
- ret = spi_optimize_message(adc->spi, &adc->msg);
- if (ret)
- return ret;
-
- return devm_add_action_or_reset(dev, ad7944_unoptimize_msg, &adc->msg);
+ return devm_spi_optimize_message(dev, adc->spi, &adc->msg);
}
static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc,
@@ -188,7 +178,6 @@ static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc
unsigned int t_conv_ns = adc->always_turbo ? adc->timing_spec->turbo_conv_ns
: adc->timing_spec->conv_ns;
struct spi_transfer *xfers = adc->xfers;
- int ret;
/*
* NB: can get better performance from some SPI controllers if we use
@@ -209,11 +198,7 @@ static int ad7944_4wire_mode_init_msg(struct device *dev, struct ad7944_adc *adc
spi_message_init_with_transfers(&adc->msg, xfers, 2);
- ret = spi_optimize_message(adc->spi, &adc->msg);
- if (ret)
- return ret;
-
- return devm_add_action_or_reset(dev, ad7944_unoptimize_msg, &adc->msg);
+ return devm_spi_optimize_message(dev, adc->spi, &adc->msg);
}
static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc,
@@ -221,7 +206,6 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc
u32 n_chain_dev)
{
struct spi_transfer *xfers = adc->xfers;
- int ret;
/*
* NB: SCLK has to be low before we toggle CS to avoid triggering the
@@ -249,11 +233,7 @@ static int ad7944_chain_mode_init_msg(struct device *dev, struct ad7944_adc *adc
spi_message_init_with_transfers(&adc->msg, xfers, 2);
- ret = spi_optimize_message(adc->spi, &adc->msg);
- if (ret)
- return ret;
-
- return devm_add_action_or_reset(dev, ad7944_unoptimize_msg, &adc->msg);
+ return devm_spi_optimize_message(dev, adc->spi, &adc->msg);
}
/**
--
2.45.2
