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Subject[PATCH 3/4] staging:iio:ad2s1210: Remove old_data from ad2s1210_state
The variable old_data is a bool type, which only receives the value
'true' in the function ad2s1210_config_write and ad2s1210_config_read.
There is no other use for this variable. This patch removes old_data
from the ad2s1210_state and from all the function that use it.

Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
---
drivers/staging/iio/resolver/ad2s1210.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/staging/iio/resolver/ad2s1210.c b/drivers/staging/iio/resolver/ad2s1210.c
index 79cb56670fc2..ac13b99bd9cb 100644
--- a/drivers/staging/iio/resolver/ad2s1210.c
+++ b/drivers/staging/iio/resolver/ad2s1210.c
@@ -76,7 +76,6 @@ struct ad2s1210_state {
unsigned int fclkin;
unsigned int fexcit;
bool hysteresis;
- bool old_data;
u8 resolution;
enum ad2s1210_mode mode;
u8 rx[2] ____cacheline_aligned;
@@ -107,7 +106,6 @@ static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data)
ret = spi_write(st->sdev, st->tx, 1);
if (ret < 0)
return ret;
- st->old_data = true;

return 0;
}
@@ -129,7 +127,6 @@ static int ad2s1210_config_read(struct ad2s1210_state *st,
ret = spi_sync_transfer(st->sdev, &xfer, 1);
if (ret < 0)
return ret;
- st->old_data = true;

return st->rx[1];
}
--
2.16.2
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