I'm trying to get frequency scaling working in linux-3.0, and it after
digging into why cpufreq-info works in 2.6.32 and doesn't in 3.0, I've
found that omap_cpu_init() returs -ENOENT due to clk_get(NULL,
"virt_prcm_set") failing.
In the older 2.6.32 kernel it used "arm_fck" for MPU_CLK instead of
"virt_prcm_set", but that option isn't in the linux-3.0 source (or the
current source in tony's tree on github.com). I tried reverting to
"arm_fck", but on a DM3730 cpupfreq-info only shows 600Mhz as a
possibility, and none of the other operating points.
Does anyone have CPU frequency scaling working in linux-3.0 and have any
suggestions on what I'm doing wrong?
--
Peter Barada
[email protected]
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