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authorTodd Poynor <toddpoynor@google.com>2011-06-24 11:04:17 +0400
committerDave Jones <davej@redhat.com>2011-07-14 02:29:58 +0400
commit74df8e69e901e624fe0b439f914aa7be66201154 (patch)
tree5fd252e9207c3bc9483f9bf85679919c2ecfc892 /arch/microblaze/configs
parent5b02b7794b555e299c5e9298c6b223b538888ec8 (diff)
downloadlinux-74df8e69e901e624fe0b439f914aa7be66201154.tar.xz
[CPUFREQ] S5PV210: Adjust udelay prior to voltage scaling down
Voltage scaling accesses the MAX8998 regulators over bit-banged I2C with lots of udelays. In the case of decreasing CPU speed, the number of loops per us for udelay needs to be adjusted prior to decreasing voltage to avoid delaying for up to 10X too long. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Dave Jones <davej@redhat.com>
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