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authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>2014-07-11 10:50:14 +0200
committerWolfram Sang <wsa@the-dreams.de>2014-07-17 15:38:49 +0200
commit281ec367bff42304e0dc5cbc8d267ce9251478b7 (patch)
treee68fe3abd7d16b4b2149033758548c9257b2efe7
parent290025d9ffd6ba48b4e18e65e4a9aa668383fbf5 (diff)
downloadop-kernel-dev-281ec367bff42304e0dc5cbc8d267ce9251478b7.zip
op-kernel-dev-281ec367bff42304e0dc5cbc8d267ce9251478b7.tar.gz
i2c: efm32: correct namespacing of location property
Olof Johansson pointed out that usually the company name is picked as namespace prefix to specific properties. So expect "energymicro,location" but fall back to the previously introduced name "efm32,location". Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-efm32.txt4
-rw-r--r--drivers/i2c/busses/i2c-efm32.c8
2 files changed, 9 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-efm32.txt b/Documentation/devicetree/bindings/i2c/i2c-efm32.txt
index fc15ac5..50b25c3 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-efm32.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-efm32.txt
@@ -10,7 +10,7 @@ Required properties :
Recommended properties :
- clock-frequency : maximal I2C bus clock frequency in Hz.
- - efm32,location : Decides the location of the USART I/O pins.
+ - energymicro,location : Decides the location of the USART I/O pins.
Allowed range : [0 .. 6]
Example:
@@ -23,7 +23,7 @@ Example:
clocks = <&cmu clk_HFPERCLKI2C0>;
clock-frequency = <100000>;
status = "ok";
- efm32,location = <3>;
+ energymicro,location = <3>;
eeprom@50 {
compatible = "microchip,24c02";
diff --git a/drivers/i2c/busses/i2c-efm32.c b/drivers/i2c/busses/i2c-efm32.c
index f7eccd6..10b8323 100644
--- a/drivers/i2c/busses/i2c-efm32.c
+++ b/drivers/i2c/busses/i2c-efm32.c
@@ -370,7 +370,13 @@ static int efm32_i2c_probe(struct platform_device *pdev)
return ret;
}
- ret = of_property_read_u32(np, "efm32,location", &location);
+
+ ret = of_property_read_u32(np, "energymicro,location", &location);
+
+ if (ret)
+ /* fall back to wrongly namespaced property */
+ ret = of_property_read_u32(np, "efm32,location", &location);
+
if (!ret) {
dev_dbg(&pdev->dev, "using location %u\n", location);
} else {
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