hwrng: bcm2835 - sleep more intelligently
While waiting for random data, use sleeps that are proportional
to the amount of data expected. Prevent indefinite waits by
giving up if nothing is received for a second.
See: https://github.com/raspberrypi/linux/issues/5390
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
parent
628da4cb
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