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author | Angelo Compagnucci <angelo.compagnucci@gmail.com> | 2020-08-19 09:55:25 +0200 |
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committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-08-31 11:47:53 +0200 |
commit | 3f1093d83d7164e4705e4232ccf76da54adfda85 (patch) | |
tree | 24b50934e355163a167d9f01bc8cc72427e95dd2 /block/blk-pm.c | |
parent | iio: adc: meson-saradc: Use the parent device to look up the calib data (diff) | |
download | linux-3f1093d83d7164e4705e4232ccf76da54adfda85.tar.xz linux-3f1093d83d7164e4705e4232ccf76da54adfda85.zip |
iio: adc: mcp3422: fix locking scope
Locking should be held for the entire reading sequence involving setting
the channel, waiting for the channel switch and reading from the
channel.
If not, reading from a channel can result mixing with the reading from
another channel.
Fixes: 07914c84ba30 ("iio: adc: Add driver for Microchip MCP3422/3/4 high resolution ADC")
Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Link: https://lore.kernel.org/r/20200819075525.1395248-1-angelo.compagnucci@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'block/blk-pm.c')
0 files changed, 0 insertions, 0 deletions