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authorSergiu Cuciurean <sergiu.cuciurean@analog.com>2020-05-14 12:19:38 +0300
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2020-05-16 16:29:54 +0100
commit0b2884ef7fcad881556b79828a96f359c7f1fab6 (patch)
tree1b5f5746db148aa3cd1d9690377fa3422bd65f52 /drivers/iio/dac/ad5686.h
parent9bc17892d60be3c3942f9da04b3e70b6900655cb (diff)
iio: dac: ad5686: Replace indio_dev->mlock with own device lock
As part of the general cleanup of indio_dev->mlock, this change replaces it with a local lock on the device's state structure. Signed-off-by: Sergiu Cuciurean <sergiu.cuciurean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/dac/ad5686.h')
-rw-r--r--drivers/iio/dac/ad5686.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iio/dac/ad5686.h b/drivers/iio/dac/ad5686.h
index 70a779939ddb..52009b5eef88 100644
--- a/drivers/iio/dac/ad5686.h
+++ b/drivers/iio/dac/ad5686.h
@@ -117,6 +117,7 @@ struct ad5686_chip_info {
* @pwr_down_mask: power down mask
* @pwr_down_mode: current power down mode
* @use_internal_vref: set to true if the internal reference voltage is used
+ * @lock lock to protect the data buffer during regmap ops
* @data: spi transfer buffers
*/
@@ -130,6 +131,7 @@ struct ad5686_state {
ad5686_write_func write;
ad5686_read_func read;
bool use_internal_vref;
+ struct mutex lock;
/*
* DMA (thus cache coherency maintenance) requires the