linux-kernel - [PATCH 3/6] dt-bindings: hwlock: update STM32 #hwlock-cells value

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Message-ID: <1552492237-28810-4-git-send-email-fabien.dessenne@st.com>
Date:   Wed, 13 Mar 2019 16:50:34 +0100
From:   Fabien Dessenne <fabien.dessenne@...com>
To:     Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jonathan Corbet <corbet@....net>,
        <linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-doc@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...com>,
        Benjamin Gaignard <benjamin.gaignard@...com>
Subject: [PATCH 3/6] dt-bindings: hwlock: update STM32 #hwlock-cells value

Use a value of 2, so users can share hwlocks.

Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
---
 Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt
index adf4f000..60a3716 100644
--- a/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt
+++ b/Documentation/devicetree/bindings/hwlock/st,stm32-hwspinlock.txt
@@ -4,8 +4,8 @@ STM32 Hardware Spinlock Device Binding
 Required properties :
 - compatible : should be "st,stm32-hwspinlock".
 - reg : the register address of hwspinlock.
-- #hwlock-cells : hwlock users only use the hwlock id to represent a specific
-	hwlock, so the number of cells should be <1> here.
+- #hwlock-cells : should be <2> so the hwlock users use the hwlock id to
+	represent a specific hwlock and define its shared / exclusive attribute.
 - clock-names : Must contain "hsem".
 - clocks : Must contain a phandle entry for the clock in clock-names, see the
 	common clock bindings.
@@ -16,7 +16,7 @@ Please look at the generic hwlock binding for usage information for consumers,
 Example of hwlock provider:
 	hwspinlock@...00000 {
 		compatible = "st,stm32-hwspinlock";
-		#hwlock-cells = <1>;
+		#hwlock-cells = <2>;
 		reg = <0x4c000000 0x400>;
 		clocks = <&rcc HSEM>;
 		clock-names = "hsem";
-- 
2.7.4