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path: root/drivers/hwmon/adcxx.c
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Diffstat (limited to 'drivers/hwmon/adcxx.c')
-rw-r--r--drivers/hwmon/adcxx.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c
index ceb24a36517..04c08c2f79b 100644
--- a/drivers/hwmon/adcxx.c
+++ b/drivers/hwmon/adcxx.c
@@ -141,10 +141,7 @@ static ssize_t adcxx_set_max(struct device *dev,
static ssize_t adcxx_show_name(struct device *dev, struct device_attribute
*devattr, char *buf)
{
- struct spi_device *spi = to_spi_device(dev);
- struct adcxx *adc = spi_get_drvdata(spi);
-
- return sprintf(buf, "adcxx%ds\n", adc->channels);
+ return sprintf(buf, "%s\n", to_spi_device(dev)->modalias);
}
static struct sensor_device_attribute ad_input[] = {
@@ -164,14 +161,14 @@ static struct sensor_device_attribute ad_input[] = {
/*----------------------------------------------------------------------*/
-static int __devinit adcxx_probe(struct spi_device *spi)
+static int adcxx_probe(struct spi_device *spi)
{
int channels = spi_get_device_id(spi)->driver_data;
struct adcxx *adc;
int status;
int i;
- adc = kzalloc(sizeof *adc, GFP_KERNEL);
+ adc = devm_kzalloc(&spi->dev, sizeof(*adc), GFP_KERNEL);
if (!adc)
return -ENOMEM;
@@ -206,13 +203,11 @@ out_err:
for (i--; i >= 0; i--)
device_remove_file(&spi->dev, &ad_input[i].dev_attr);
- spi_set_drvdata(spi, NULL);
mutex_unlock(&adc->lock);
- kfree(adc);
return status;
}
-static int __devexit adcxx_remove(struct spi_device *spi)
+static int adcxx_remove(struct spi_device *spi)
{
struct adcxx *adc = spi_get_drvdata(spi);
int i;
@@ -222,9 +217,7 @@ static int __devexit adcxx_remove(struct spi_device *spi)
for (i = 0; i < 3 + adc->channels; i++)
device_remove_file(&spi->dev, &ad_input[i].dev_attr);
- spi_set_drvdata(spi, NULL);
mutex_unlock(&adc->lock);
- kfree(adc);
return 0;
}
@@ -245,21 +238,10 @@ static struct spi_driver adcxx_driver = {
},
.id_table = adcxx_ids,
.probe = adcxx_probe,
- .remove = __devexit_p(adcxx_remove),
+ .remove = adcxx_remove,
};
-static int __init init_adcxx(void)
-{
- return spi_register_driver(&adcxx_driver);
-}
-
-static void __exit exit_adcxx(void)
-{
- spi_unregister_driver(&adcxx_driver);
-}
-
-module_init(init_adcxx);
-module_exit(exit_adcxx);
+module_spi_driver(adcxx_driver);
MODULE_AUTHOR("Marc Pignat");
MODULE_DESCRIPTION("National Semiconductor adcxx8sxxx Linux driver");