Messages in this thread | | | Date | Wed, 03 Nov 2010 16:15:03 -0700 | From | Stephen Boyd <> | Subject | Re: [PATCHv2 1/3] ARM: Translate delay.S into (mostly) C |
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On 11/03/2010 11:27 AM, Will Deacon wrote: > Hi Stephen, > > On Thu, 2010-10-28 at 21:19 +0000, Stephen Boyd wrote: >> Nico expressed concern that fixed lpj cmdlines will break due to >> compiler optimizations. That doesn't seem to be the case since >> before and after this patch I get the same lpj value when running >> my CPU at 19.2 MHz. That should be sufficiently slow enough to >> cover any machine running Linux. > > I appreciate this is an exceptional case, but there are some lucky > guys at ARM who (as routinely as they can) boot Linux on sub 1MHz > hardware. The delay loop is something they're keen to avoid so they do > make use of the lpj= command line option and would rather it didn't > break on them.
Do you know if it breaks at that frequency? I don't have any hardware to test with that goes lower than the stated 19.2 MHz.
-- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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