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@xxxxxxxxxx>
Cc: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
Fixes: 310b266655a3 ("arm64: dts: qcom: sc7180: define ipa_fw_mem node")
Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
---
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@xxxxxxxxxx>
