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Groups > linux.kernel > #1221136
| From | Bjorn Andersson <bjorn.andersson@sonymobile.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] soc: qcom: smem: Move RPM message ram out of smem DT node |
| Date | 2015-09-09 01:20 +0200 |
| Message-ID | <q6Alb-1Zd-3@gated-at.bofh.it> (permalink) |
| References | <q6zyO-Of-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue 08 Sep 15:20 PDT 2015, Stephen Boyd wrote: > SMEM is a software construct built on top of a DDR carveout and > sometimes a device memory called RPM message ram. Having the RPM > message ram in the smem DT node's reg property leads to the smem > node being located in different places depending on if the > message ram is being used or not. Let's add a qcom specific > property, qcom,rpm-msg-ram, and point to the device memory from > the SMEM node via a phandle. This allows us to always have the > SMEM node at the root of the DT regardless of whether it's using > the message ram or not. > Based on the codeaurora limit of 99 aux-mem regions I figured this had to be more generic. But I think this makes sense and we can easily extend it with other specific regions (if we ever find any of those other 98 supported aux-mems). Can you update the dt binding document as well? Regards, Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] soc: qcom: smem: Move RPM message ram out of smem DT node Stephen Boyd <sboyd@codeaurora.org> - 2015-09-09 00:30 +0200
Re: [PATCH] soc: qcom: smem: Move RPM message ram out of smem DT node Bjorn Andersson <bjorn.andersson@sonymobile.com> - 2015-09-09 01:20 +0200
Re: [PATCH] soc: qcom: smem: Move RPM message ram out of smem DT node Stephen Boyd <sboyd@codeaurora.org> - 2015-09-09 01:40 +0200
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