Re: [RFC PATCH] arm64: dts: qcom: sm8350-hdk: enable IPA

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On 3/10/23 2:34 PM, Dmitry Baryshkov wrote:
Although the HDK has no radio, the IPA part is still perfectly usable
(altough it doesn't register any real networking devices). Enable it to
make it possible to test IPA on this platform.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

I like that you've captured this, but I'm not sure I
like the idea of enabling this if the modem is never
expected to function as, you know, a modem.

At a minimum I'd want to be sure we could exercise
IPA in loopback mode before considering this seriously.
I could work with you to experiment with doing that
next week if you want.

This isn't an outright "no" though; let's see if anyone
else feels strongly one way or the other.

					-Alex

---
  arch/arm64/boot/dts/qcom/sm8350-hdk.dts | 7 +++++++
  1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
index 09baf6959c71..60fbb2f49720 100644
--- a/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
+++ b/arch/arm64/boot/dts/qcom/sm8350-hdk.dts
@@ -746,3 +746,10 @@ irq-pins {
  		};
  	};
  };
+
+&ipa {
+	qcom,gsi-loader = "self";
+	memory-region = <&pil_ipa_fw_mem>;
+	status = "okay";
+	firmware-name = "qcom/sm8350/ipa_fws.mbn";
+};




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