Hi Stephen, On 5/31/2018 1:11 PM, Stephen Boyd wrote: > Quoting Sricharan R (2018-05-30 21:57:20) >> Hi Stephen, >> >> On 5/30/2018 9:25 PM, Stephen Boyd wrote: >>> Quoting Sricharan R (2018-05-24 22:40:11) >>>> Hi Bjorn, >>>> >>>> On 5/24/2018 11:09 PM, Bjorn Andersson wrote: >>>>> On Tue 06 Mar 06:38 PST 2018, Sricharan R wrote: >>>>> >>>>>> From: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> >>>>>> >>>>>> Krait CPUs have a handful of L2 cache controller registers that >>>>>> live behind a cp15 based indirection register. First you program >>>>>> the indirection register (l2cpselr) to point the L2 'window' >>>>>> register (l2cpdr) at what you want to read/write. Then you >>>>>> read/write the 'window' register to do what you want. The >>>>>> l2cpselr register is not banked per-cpu so we must lock around >>>>>> accesses to it to prevent other CPUs from re-pointing l2cpdr >>>>>> underneath us. >>>>>> >>>>>> Cc: Mark Rutland <mark.rutland@xxxxxxx> >>>>>> Cc: Russell King <linux@xxxxxxxxxxxxxxxx> >>>>>> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx> >>>>> >>>>> This should have your signed-off-by here as well. >>>>> >>>> >>>> ok. >>>> >>>>> Apart from that: >>>>> >>>>> Acked-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> >>>>> >>>> >>> >>> Will these patches come around again? I'll do a quick sweep on them >>> today but I expect them to be resent. >> >> Sure, i will have to resend them again, fixing couple of Bjorn's >> minor comments. Will address your comments that you would give >> as well along with that. >> > > Ok. One general comment is that it would be nice if the bindings for all > the nodes that are introduced included 'clocks' properties and also > maybe 'clock-names' properties for the clocks that are consumed by each > node. Right now, we hide those details from DT and rely on the string > names to hook the clk tree up for us. That sort of prevents us from > moving away from string easily, so I would just throw the clocks into > the binding right now and always have them there just in case we want to > use the binding to figure out the hierarchy in the future. > ok, understand that mostly. So will try to revamp those patches with the 'clocks' property in the binding added, reading them in the driver from DT. > I've been thinking we need to do something similar for the gcc and other > nodes for any clks they use, but I haven't gotten around to it. > > Otherwise the patches look mostly ok to me. Not sure I'll have any other > comments. > Thanks, will respin. Regards, Sricharan -- "QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
