arm: pmu: support pmu/perf on OMAP4 - booting problem on pandaboard
tom.leiming at gmail.com
Sat Apr 2 01:27:05 EDT 2011
2011/4/1 Avik Sil <aviksil at linux.vnet.ibm.com>:
> I've applied the patches in
> on top of a linaro kernel which resulted in booting problem on Pandaboard.
> It hangs inside the cti_unlock() while reading the LOCKSTATUS value, which
> happens when omap_init_pmu() is called. Please help me debug the issue.
Please check if l3 clocks are enabled to drive CTI, such as done in below:
while ((omap_readl(CM_EMU_CLKSTCTRL) & 0x300) != 0x300);
No such issue on mainline since this clocks are enabled automatically.
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