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>

diff --git a/Documentation/devicetree/bindings/i2c/i2c-efm32.txt b/Documentation/devicetree/bindings/i2c/i2c-efm32.txt
index fc15ac5..50b25c3 100644 (file)
--- 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 (file)
--- 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 {