linux-kernel - [PATCH 6/7] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Drop McASP AFIFOs

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Message-ID: <20240604-mcasp_fifo_drop-v1-6-03ebe25f47db@ti.com>
Date: Tue, 4 Jun 2024 15:11:07 +0530
From: Jai Luthra <j-luthra@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jayesh
 Choudhary <j-choudhary@...com>,
        Devarsh Thakkar <devarsht@...com>, Bryan
 Brattlof <bb@...com>,
        Aradhya Bhatia <a-bhatia1@...com>,
        Francesco Dolcini
	<francesco.dolcini@...adex.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Devarsh Thakkar <devarsht@...com>,
        Jai Luthra
	<j-luthra@...com>
Subject: [PATCH 6/7] arm64: dts: ti: k3-am625-phyboard-lyra-rdk: Drop McASP
 AFIFOs

McASP AFIFOs are not necessary with UDMA-P/BCDMA as there is buffering
on the DMA IP. Drop these for better audio latency.

Signed-off-by: Jai Luthra <j-luthra@...com>
---
 arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
index 50d2573c840e..77c86ba3849f 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
@@ -441,8 +441,8 @@ &mcasp2 {
 			0 0 0 0
 			0 0 0 0
 	>;
-	tx-num-evt = <32>;
-	rx-num-evt = <32>;
+	tx-num-evt = <0>;
+	rx-num-evt = <0>;
 	status = "okay";
 };
 

-- 
2.43.0