From: Christopher Bostic <cbostic@linux.vnet.ibm.com>
To: joel@jms.id.au, jk@ozlabs.org
Cc: Christopher Bostic <cbostic@linux.vnet.ibm.com>,
openbmc@lists.ozlabs.org
Subject: [PATCH linux dev-4.10 v2 2/3] ARM: dts: fsi: Add optional master property no-scan-on-init
Date: Thu, 3 Aug 2017 22:26:21 -0500 [thread overview]
Message-ID: <20170804032622.88674-3-cbostic@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170804032622.88674-1-cbostic@linux.vnet.ibm.com>
Add new optional master property no-scan-on-init that specifies
that at master init time it should not scan for connected devices.
This is necessary in cases where a scan could interfere with
other connected FSI masters on the same bus.
Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
---
arch/arm/boot/dts/ibm-power9-cfam.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/ibm-power9-cfam.dtsi b/arch/arm/boot/dts/ibm-power9-cfam.dtsi
index 5630e02..55fb58f 100644
--- a/arch/arm/boot/dts/ibm-power9-cfam.dtsi
+++ b/arch/arm/boot/dts/ibm-power9-cfam.dtsi
@@ -128,6 +128,8 @@
#address-cells = <2>;
#size-cells = <0>;
+ no-scan-on-init;
+
cfam@1,0 {
reg = <1 0>;
#address-cells = <1>;
--
1.8.2.2
next prev parent reply other threads:[~2017-08-04 3:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-04 3:26 [PATCH linux dev-4.10 v2 0/3] Add FSI master scan conditional Christopher Bostic
2017-08-04 3:26 ` [PATCH linux dev-4.10 v2 1/3] dt-bindings: fsi: Add optional property no-scan-on-init Christopher Bostic
2017-08-04 3:26 ` Christopher Bostic [this message]
2017-08-04 3:26 ` [PATCH linux dev-4.10 v2 3/3] fsi: core: Add check for master " Christopher Bostic
2017-08-04 3:33 ` Jeremy Kerr
2017-08-08 13:02 ` Joel Stanley
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