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From: Akash Asthana <akashast@codeaurora.org>
To: gregkh@linuxfoundation.org, bjorn.andersson@linaro.org
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-serial@vger.kernel.org, mka@chromium.org,
	dianders@chromium.org, linux-kernel@vger.kernel.org,
	saravanak@google.com, Akash Asthana <akashast@codeaurora.org>
Subject: [PATCH  2/3] arm64: dts: qcom: sc7180: Remove QUP-CORE ICC path
Date: Mon,  7 Dec 2020 14:17:26 +0530	[thread overview]
Message-ID: <1607330847-15522-3-git-send-email-akashast@codeaurora.org> (raw)
In-Reply-To: <1607330847-15522-1-git-send-email-akashast@codeaurora.org>

We had introduced the QUP-CORE ICC path to put proxy votes from
QUP wrapper on behalf of earlycon, if other users of QUP-CORE turn
off this clock before the real console is probed, unclocked access
to HW was seen from earlycon.

With ICC sync state support proxy votes are no longer need as ICC
will ensure that the default bootloader votes are not removed until
all it's consumer are probed.

We can safely remove ICC path for QUP-CORE clock from QUP wrapper
device.

Signed-off-by: Akash Asthana <akashast@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 22b832f..cd09b67 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -763,8 +763,6 @@
 			#size-cells = <2>;
 			ranges;
 			iommus = <&apps_smmu 0x43 0x0>;
-			interconnects = <&qup_virt MASTER_QUP_CORE_0 0 &qup_virt SLAVE_QUP_CORE_0 0>;
-			interconnect-names = "qup-core";
 			status = "disabled";
 
 			i2c0: i2c@880000 {
@@ -1054,8 +1052,6 @@
 			#size-cells = <2>;
 			ranges;
 			iommus = <&apps_smmu 0x4c3 0x0>;
-			interconnects = <&qup_virt MASTER_QUP_CORE_1 0 &qup_virt SLAVE_QUP_CORE_1 0>;
-			interconnect-names = "qup-core";
 			status = "disabled";
 
 			i2c6: i2c@a80000 {
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,\na Linux Foundation Collaborative Project


  parent reply	other threads:[~2020-12-07  8:49 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-07  8:47 [PATCH 0/3] Separate out earlycon Akash Asthana
2020-12-07  8:47 ` [PATCH 1/3] soc: qcom-geni-se: Cleanup the code to remove proxy votes Akash Asthana
2020-12-07  8:47 ` Akash Asthana [this message]
2020-12-07  8:47 ` [PATCH 3/3] Serial: Separate out earlycon support Akash Asthana
2020-12-07  9:11   ` Greg KH
2020-12-07 12:22     ` Akash Asthana
2020-12-07 13:55       ` Greg KH
2020-12-07  9:43   ` Greg KH
2020-12-07 12:23     ` Akash Asthana

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