iio: core: Print error and fail iio_device_register() in case sample bits do not fit storage bits

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Add runtime check to verify whether storagebits are at least as big
as shifted realbits. This should help spot broken drivers which may
set realbits + shift above storagebits.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20220328195307.154422-1-marex@denx.de
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Marek Vasut 2022-03-28 21:53:07 +02:00 • committed by Jonathan Cameron

parent 94059c5227

commit fd542c5eda

1 changed files with 13 additions and 0 deletions

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drivers/iio/industrialio-buffer.c

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