Messages in this thread | | | Date | Wed, 8 Jun 2022 07:44:09 -0500 | Subject | Re: [PATCH] arm64: dts: qcom: sc7180: Remove ipa_fw_mem node on trogdor | From | Alex Elder <> |
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On 5/17/22 2:33 PM, Stephen Boyd wrote: > We don't use this carveout on trogdor boards, and having it defined in > the sc7180 SoC file causes an overlap message to be printed at boot. > > OF: reserved mem: OVERLAP DETECTED! > memory@86000000 (0x0000000086000000--0x000000008ec00000) overlaps with memory@8b700000 (0x000000008b700000--0x000000008b710000) > > Delete the node in the trogdor dtsi file to fix the overlap problem and > remove the error message. > > Cc: Alex Elder <elder@linaro.org> > Cc: Matthias Kaehlcke <mka@chromium.org> > Fixes: 310b266655a3 ("arm64: dts: qcom: sc7180: define ipa_fw_mem node") > Signed-off-by: Stephen Boyd <swboyd@chromium.org> > --- > arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi > index 732e1181af48..262224504921 100644 > --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi > @@ -42,6 +42,7 @@ charger-crit { > */ > > /delete-node/ &hyp_mem; > +/delete-node/ &ipa_fw_mem; > /delete-node/ &xbl_mem; > /delete-node/ &aop_mem; > /delete-node/ &sec_apps_mem; > > base-commit: 42226c989789d8da4af1de0c31070c96726d990c
This is on Trogdor, which as far as I know only runs Chrome OS, which doesn't use the IPA firmware memory carveout. The problem reported comes from the definition of the mpss_mem reserved-memory region in "sc7180-trogdor.dtsi", so deleting the "ipa_fw_mem" node in that file sounds like the right fix.
Reviewed-by: Alex Elder <elder@linaro.org>
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