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iio: potentiostat: lmp91000: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()

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[ Upstream commit 8979b67ec61abc232636400ee8c758a16a73c95f ]

Add __aligned(8) to ensure the buffer passed to
iio_push_to_buffers_with_timestamp() is suitable for the naturally
aligned timestamp that will be inserted.

Here structure is not used, because this buffer is also used
elsewhere in the driver.

Fixes: 67e17300dc ("iio: potentiostat: add LMP91000 support")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Matt Ranostay <matt.ranostay@konsulko.com>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Link: https://lore.kernel.org/r/20210501171352.512953-8-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jonathan Cameron 2021-05-01 18:13:48 +01:00 committed by Greg Kroah-Hartman
parent 71dbba0b95
commit 246b4f1e20
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/potentiostat/lmp91000.c
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@ -71,8 +71,8 @@ struct lmp91000_data {
struct completion completion;
u8 chan_select;
u32 buffer[4]; /* 64-bit data + 64-bit timestamp */
/* 64-bit data + 64-bit naturally aligned timestamp */
u32 buffer[4] __aligned(8);
};
static const struct iio_chan_spec lmp91000_channels[] = {