forked from Minki/linux
3eea697c1d
Rather than to poll in a busy-loop, let's convert into using read_poll_timeout() and insert a small delay between each polling attempts. In particular, this avoids hogging the CPU. Additionally, to convert to read_poll_timeout() we also need to switch from using a specific number of polling attempts, into a specific timeout in us instead. The previous 100000 attempts, is translated into a total timeout of total 1s, as that seemed like reasonable value to pick. Cc: Sascha Sommer <saschasommer@freenet.de> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Link: https://lore.kernel.org/r/20200508095218.14177-1-ulf.hansson@linaro.org |
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