* [PATCH net-next v2 1/1] arm64: dts: sdm845: add IPA iommus property
@ 2020-05-04 18:13 Alex Elder
2020-05-07 0:28 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Alex Elder @ 2020-05-04 18:13 UTC (permalink / raw)
To: bjorn.andersson, agross
Cc: davem, evgreen, subashab, cpratapa, robh+dt, linux-arm-msm,
devicetree, linux-kernel, netdev
Add an "iommus" property to the IPA node in "sdm845.dtsi". It is
required because there are two regions of memory the IPA accesses
through an SMMU. The next few patches define and map those regions.
Signed-off-by: Alex Elder <elder@linaro.org>
---
NOTE: This was posted in error previously as part of another series,
which has since been superseded (and no longer includes it).
https://lore.kernel.org/netdev/20200504175859.22606-1-elder@linaro.org/
arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 71dfdfcf2033..7cce6f1b7c9e 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1762,6 +1762,8 @@
ipa: ipa@1e40000 {
compatible = "qcom,sdm845-ipa";
+
+ iommus = <&apps_smmu 0x720 0x3>;
reg = <0 0x1e40000 0 0x7000>,
<0 0x1e47000 0 0x2000>,
<0 0x1e04000 0 0x2c000>;
--
2.20.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next v2 1/1] arm64: dts: sdm845: add IPA iommus property
2020-05-04 18:13 [PATCH net-next v2 1/1] arm64: dts: sdm845: add IPA iommus property Alex Elder
@ 2020-05-07 0:28 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2020-05-07 0:28 UTC (permalink / raw)
To: elder
Cc: bjorn.andersson, agross, evgreen, subashab, cpratapa, robh+dt,
linux-arm-msm, devicetree, linux-kernel, netdev
From: Alex Elder <elder@linaro.org>
Date: Mon, 4 May 2020 13:13:50 -0500
> Add an "iommus" property to the IPA node in "sdm845.dtsi". It is
> required because there are two regions of memory the IPA accesses
> through an SMMU. The next few patches define and map those regions.
>
> Signed-off-by: Alex Elder <elder@linaro.org>
Applied.
^ permalink raw reply [flat|nested] 2+ messages in thread
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