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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-25 21:25:02 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-25 21:25:02 -0800
commit8f5f90a872c38b4e78f3cc95e8a25434b98e4db2 (patch)
tree36c50b0c97286ab89c85016f7ab281f8e843c05c /drivers/iio/adc/max1363.c
parentc0cd2da16b431a2007ea83865f3dd1530c1643a5 (diff)
parent949db153b6466c6f7cad5a427ecea94985927311 (diff)
downloadop-kernel-dev-8f5f90a872c38b4e78f3cc95e8a25434b98e4db2.zip
op-kernel-dev-8f5f90a872c38b4e78f3cc95e8a25434b98e4db2.tar.gz
Merge 3.8-rc5 into staging-next
This resolves a merge issue with a iio driver, and the zram code. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/adc/max1363.c')
-rw-r--r--drivers/iio/adc/max1363.c52
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index aac5722..eba1034 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -1403,7 +1403,7 @@ static int max1363_initial_setup(struct max1363_state *st)
return max1363_set_scan_mode(st);
}
-static int __devinit max1363_alloc_scan_masks(struct iio_dev *indio_dev)
+static int max1363_alloc_scan_masks(struct iio_dev *indio_dev)
{
struct max1363_state *st = iio_priv(indio_dev);
unsigned long *masks;
@@ -1483,8 +1483,50 @@ static const struct iio_buffer_setup_ops max1363_buffered_setup_ops = {
.predisable = &iio_triggered_buffer_predisable,
};
-static int __devinit max1363_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int max1363_register_buffered_funcs_and_init(struct iio_dev *indio_dev)
+{
+ struct max1363_state *st = iio_priv(indio_dev);
+ int ret = 0;
+
+ indio_dev->buffer = iio_kfifo_allocate(indio_dev);
+ if (!indio_dev->buffer) {
+ ret = -ENOMEM;
+ goto error_ret;
+ }
+ indio_dev->pollfunc = iio_alloc_pollfunc(NULL,
+ &max1363_trigger_handler,
+ IRQF_ONESHOT,
+ indio_dev,
+ "%s_consumer%d",
+ st->client->name,
+ indio_dev->id);
+ if (indio_dev->pollfunc == NULL) {
+ ret = -ENOMEM;
+ goto error_deallocate_sw_rb;
+ }
+ /* Buffer functions - here trigger setup related */
+ indio_dev->setup_ops = &max1363_buffered_setup_ops;
+
+ /* Flag that polled buffering is possible */
+ indio_dev->modes |= INDIO_BUFFER_TRIGGERED;
+
+ return 0;
+
+error_deallocate_sw_rb:
+ iio_kfifo_free(indio_dev->buffer);
+error_ret:
+ return ret;
+}
+
+static void max1363_buffer_cleanup(struct iio_dev *indio_dev)
+{
+ /* ensure that the trigger has been detached */
+ iio_dealloc_pollfunc(indio_dev->pollfunc);
+ iio_kfifo_free(indio_dev->buffer);
+}
+
+static int max1363_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
{
int ret;
struct max1363_state *st;
@@ -1576,7 +1618,7 @@ error_out:
return ret;
}
-static int __devexit max1363_remove(struct i2c_client *client)
+static int max1363_remove(struct i2c_client *client)
{
struct iio_dev *indio_dev = i2c_get_clientdata(client);
struct max1363_state *st = iio_priv(indio_dev);
@@ -1639,7 +1681,7 @@ static struct i2c_driver max1363_driver = {
.name = "max1363",
},
.probe = max1363_probe,
- .remove = __devexit_p(max1363_remove),
+ .remove = max1363_remove,
.id_table = max1363_id,
};
module_i2c_driver(max1363_driver);
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