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authorNicolas Pitre <[email protected]>2013-02-18 16:36:13 +0100
committerRussell King <[email protected]>2013-02-21 13:25:36 +0000
commit70264367a243a68b1d5636ffb570183449803cbe (patch)
treed5ab3e7434c916f97b2e22fee6dd48c7cc9c416c /scripts/patch-kernel
parent7c4e9ced424be4d36df6a3e3825763e97ee97607 (diff)
ARM: 7653/2: do not scale loops_per_jiffy when using a constant delay clock
When udelay() is implemented using an architected timer, it is wrong to scale loops_per_jiffy when changing the CPU clock frequency since the timer clock remains constant. The lpj should probably become an implementation detail relevant to the CPU loop based delay routine only and more confined to it. In the mean time this is the minimal fix needed to have expected delays with the timer based implementation when cpufreq is also in use. Reported-by: Viresh Kumar <[email protected]> Signed-off-by: Nicolas Pitre <[email protected]> Tested-by: Viresh Kumar <[email protected]> Acked-by: Liviu Dudau <[email protected]> Cc: [email protected] Signed-off-by: Russell King <[email protected]>
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