* Stephen Warren wrote: > On 03/06/2012 01:45 AM, Dmitry Artamonow wrote: > > Tegra PCIe driver waits for PLL to lock using busy loop. > > If PLL fails to lock for some reason, this leads to silent lockup > > while booting (as PCIe code is not modular). > > > > Fix by adding timeout, so if PLL doesn't lock in a couple > > of seconds, just PCIe driver fails and machine continues to boot. > > > > Signed-off-by: Dmitry Artamonow <[email protected]> > > That seems reasonable. So once the mdelay discussion is resolved, > > Acked-by: Stephen Warren <[email protected]> > > Any idea why the PLL doesn't lock sometimes?
I've seen this happen when the 1.05V regulator (GPIO#2 of the PMU on Harmony) isn't enabled. Thierry
pgprHEPu3yhIR.pgp
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