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path: root/drivers/iio/frequency/adf4350.c
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Diffstat (limited to 'drivers/iio/frequency/adf4350.c')
-rw-r--r--drivers/iio/frequency/adf4350.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c
index ed1741165f55..315317d6eec4 100644
--- a/drivers/iio/frequency/adf4350.c
+++ b/drivers/iio/frequency/adf4350.c
@@ -7,7 +7,6 @@
#include <linux/device.h>
#include <linux/kernel.h>
-#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/property.h>
#include <linux/slab.h>
@@ -152,10 +151,10 @@ static int adf4350_set_freq(struct adf4350_state *st, unsigned long long freq)
st->r4_rf_div_sel = 0;
/*
- * !\TODO: The below computation is making sure we get a power of 2
- * shift (st->r4_rf_div_sel) so that freq becomes higher or equal to
- * ADF4350_MIN_VCO_FREQ. This might be simplified with fls()/fls_long()
- * and friends.
+ * NOTE: This iteratively shifts freq by a power of 2
+ * (st->r4_rf_div_sel) to meet or exceed ADF4350_MIN_VCO_FREQ.
+ * A constant-time approach using fls_long() was attempted but
+ * deemed more complex without meaningful benefit for init code.
*/
while (freq < ADF4350_MIN_VCO_FREQ) {
freq <<= 1;
@@ -607,7 +606,7 @@ static int adf4350_probe(struct spi_device *spi)
if (dev_fwnode(&spi->dev)) {
pdata = adf4350_parse_dt(&spi->dev);
if (pdata == NULL)
- return -EINVAL;
+ return -ENOMEM;
} else {
pdata = dev_get_platdata(&spi->dev);
}
@@ -692,8 +691,8 @@ static const struct of_device_id adf4350_of_match[] = {
MODULE_DEVICE_TABLE(of, adf4350_of_match);
static const struct spi_device_id adf4350_id[] = {
- {"adf4350", 4350},
- {"adf4351", 4351},
+ { .name = "adf4350", .driver_data = 4350 },
+ { .name = "adf4351", .driver_data = 4351 },
{ }
};
MODULE_DEVICE_TABLE(spi, adf4350_id);