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path: root/kernel/time/udelay_test.c
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2014-07-23kernel: time: Add udelay_test module to validate udelayDavid Riley
Create a module that allows udelay() to be executed to ensure that it is delaying at least as long as requested (with a little bit of error allowed). There are some configurations which don't have reliably udelay due to using a loop delay with cpufreq changes which should use a counter time based delay instead. This test aims to identify those configurations where timing is unreliable. Signed-off-by: David Riley <davidriley@chromium.org> Signed-off-by: John Stultz <john.stultz@linaro.org>