[PATCH 1/5] arm: sa1100: add cpu clock

Russell King - ARM Linux linux at arm.linux.org.uk
Tue Nov 12 04:57:06 EST 2013


On Tue, Nov 12, 2013 at 07:32:08AM +0400, Dmitry Eremin-Solenikov wrote:
> Both SA1100 framebuffer and PCMCIA drivers require knowledge of cpu
> frequency to correctly program timings.  Currently they receive timing
> information by calling cpufreq_get(0).  However if cpu frequency driver
> is not enabled (e.g. due to unsupported DRAM chip/board on sa1110)
> cpufreq_get(0) returns 0, causing incorrect timings to be programmed.

I added a select statement back in 1937f5b91833e2e8e53bcc821fc7a5fbe6ccb9b5
which avoids this problem.  Does this not work?



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