[v2,3/6] dt-bindings: hwlock: update STM32 #hwlock-cells value
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Message ID 1556183843-28033-4-git-send-email-fabien.dessenne@st.com
State New
Headers show
Series
  • hwspinlock: allow sharing of hwspinlocks
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Commit Message

Fabien Dessenne April 25, 2019, 9:17 a.m. UTC
Use a value of 2, so users can share hwlocks.

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

Patch
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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@4c000000 {
 		compatible = "st,stm32-hwspinlock";
-		#hwlock-cells = <1>;
+		#hwlock-cells = <2>;
 		reg = <0x4c000000 0x400>;
 		clocks = <&rcc HSEM>;
 		clock-names = "hsem";