Messages in this thread | | | Date | Sat, 17 Nov 2012 14:54:35 +0100 | From | Andrew Lunn <> | Subject | Re: [PATCH 1/2] clk: mvebu: armada 370/XP add clock gating control provider for DT |
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> > What is the ddr clock for? Does bad things happen if you turn it off? > > Kirkwood has a similar clock, dunit, which i decided not to export, > > since when you turn it off, the whole SoC locks up. > > Well of course if you code run in DDR then it could be a problem. But > I think it could be useful to turn it off when going to suspend, it > the DDR can do self-refresh. In this case it should be possible to run > the code from SRAM or L2 Cache.
O.K. Just watch out for the lateinit call in the clock framework.
Andrew
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