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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Andrey Smirnov <andrew.smirnov@gmail.com>,
	Shawn Guo <shawnguo@kernel.org>, Chris Healy <cphealy@gmail.com>,
	Cory Tusar <cory.tusar@zii.aero>,
	Jeff White <jeff.white@zii.aero>,
	Rick Ramstetter <rick@anteaterllc.com>,
	Lucas Stach <l.stach@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.3 045/140] ARM: dts: vf610-zii-scu4-aib: Specify i2c-mux-idle-disconnect
Date: Fri,  8 Nov 2019 19:49:33 +0100	[thread overview]
Message-ID: <20191108174908.274573711@linuxfoundation.org> (raw)
In-Reply-To: <20191108174900.189064908@linuxfoundation.org>

From: Andrey Smirnov <andrew.smirnov@gmail.com>

[ Upstream commit 71936a6d18c33c63b4e9e0359fb987306cbe9fae ]

Specify 'i2c-mux-idle-disconnect' for both I2C switches present on the
board, since both are connected to the same parent bus and all of
their children have the same I2C address.

Fixes: ca4b4d373fcc ("ARM: dts: vf610: Add ZII SCU4 AIB board")
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Cory Tusar <cory.tusar@zii.aero>
Cc: Jeff White <jeff.white@zii.aero>
Cc: Rick Ramstetter <rick@anteaterllc.com>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/vf610-zii-scu4-aib.dts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
index d7019e89f5887..8136e0ca10d54 100644
--- a/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
+++ b/arch/arm/boot/dts/vf610-zii-scu4-aib.dts
@@ -600,6 +600,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 		reg = <0x70>;
+		i2c-mux-idle-disconnect;
 
 		sff0_i2c: i2c@1 {
 			#address-cells = <1>;
@@ -638,6 +639,7 @@
 		reg = <0x71>;
 		#address-cells = <1>;
 		#size-cells = <0>;
+		i2c-mux-idle-disconnect;
 
 		sff5_i2c: i2c@1 {
 			#address-cells = <1>;
-- 
2.20.1




      parent reply	other threads:[~2019-11-08 19:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191108174900.189064908@linuxfoundation.org>
2019-11-08 18:49 ` [PATCH 5.3 030/140] ARM: dts: am3874-iceboard: Fix i2c-mux-idle-disconnect usage Greg Kroah-Hartman
2019-11-08 18:49 ` Greg Kroah-Hartman [this message]

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