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Message-ID: <CAETzdaEjfCbaGj8UeBsAZGbZnvOHgMP9KTCyxsY46qL5MxUhzg@mail.gmail.com> Date: Sun, 29 Jan 2023 09:30:57 +1100 From: Jamie Douglass <jamiemdouglass@...il.com> To: Konrad Dybcio <konrad.dybcio@...aro.org>, Andy Gross <agross@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, Petr Vorel <petr.vorel@...il.com>, Dominik Kobinski <dominikkobinski314@...il.com>, Konrad Dybico <konrad.dybico@...aro.org> Subject: Re: [PATCH] arm64: dts: qcom: msm8992-lg-bullhead: Correct memory overlap with SMEM region My apologies, I completely forgot that I did that! That change was necessary, because extending the reserved region past 0x7000000 creates another memory overlap, this time with the mpss_mem region: OF: reserved mem: OVERLAP DETECTED! reserved@...0000 (0x0000000006c00000--0x0000000007200000) overlaps with memory@...0000 (0x0000000007000000--0x000000000ca00000) So my original patch is correct. Thanks, Jamie On Sun, 29 Jan 2023 at 01:30, Konrad Dybcio <konrad.dybcio@...aro.org> wrote: > > > > On 28.01.2023 06:52, Jamie Douglass wrote: > > A previously committed reserved memory region was overlapping with the > > SMEM memory region, causing an error message in dmesg: > > OF: reserved mem: OVERLAP DETECTED! > > reserved@...0000 (0x0000000005000000--0x0000000007200000) > > overlaps with smem_region@...0000 > > (0x0000000006a00000--0x0000000006c00000) > > This patch splits the previous reserved memory region into two > > reserved sections either side of the SMEM memory region. > > > > Signed-off-by: Jamie Douglass <jamiemdouglass@...il.com> > > --- > > arch/arm64/boot/dts/qcom/msm8992-lg-bullhead.dtsi | 9 +++++++-- > > 1 file changed, 7 insertions(+), 2 deletions(-) > > > > diff --git a/arch/arm64/boot/dts/qcom/msm8992-lg-bullhead.dtsi b/arch/arm64/boot/dts/qcom/msm8992-lg-bullhead.dtsi > > index 79de9cc395c4..5e375ea73c79 100644 > > --- a/arch/arm64/boot/dts/qcom/msm8992-lg-bullhead.dtsi > > +++ b/arch/arm64/boot/dts/qcom/msm8992-lg-bullhead.dtsi > > @@ -53,8 +53,13 @@ cont_splash_mem: memory@...0000 { > > no-map; > > }; > > > > - removed_region: reserved@...0000 { > > - reg = <0 0x05000000 0 0x2200000>; > > + reserved@...0000 { > > + reg = <0x0 0x05000000 0x0 0x1a00000>; > > + no-map; > > + }; > > + > > + reserved@...0000 { > > + reg = <0x0 0x06c00000 0x0 0x400000>; > I think you made this 0x200000 too small, unless there > is supposed to be functional change. > > Konrad > > no-map; > > }; > > };
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