spi: efm32: use $vendor,$device scheme for compatible string

Wolfram Sang pointed out that "efm32,$device" is non-standard. So use the
common scheme and prefix device with "efm32-". The old compatible string
is left in place until arch/arm/boot/dts/efm32* is fixed.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org

diff --git a/Documentation/devicetree/bindings/spi/efm32-spi.txt b/Documentation/devicetree/bindings/spi/efm32-spi.txt
index 25c02ba..8f081c9 100644 (file)
--- a/Documentation/devicetree/bindings/spi/efm32-spi.txt
+++ b/Documentation/devicetree/bindings/spi/efm32-spi.txt
@@ -3,7 +3,7 @@
 Required properties:
 - #address-cells: see spi-bus.txt
 - #size-cells: see spi-bus.txt
-- compatible: should be "efm32,spi"
+- compatible: should be "energymicro,efm32-spi"
 - reg: Offset and length of the register set for the controller
 - interrupts: pair specifying rx and tx irq
 - clocks: phandle to the spi clock
@@ -15,7 +15,7 @@ Example:
 spi1: spi@0x4000c400 { /* USART1 */
        #address-cells = <1>;
        #size-cells = <0>;
-       compatible = "efm32,spi";
+       compatible = "energymicro,efm32-spi";
        reg = <0x4000c400 0x400>;
        interrupts = <15 16>;
        clocks = <&cmu 20>;

diff --git a/drivers/spi/spi-efm32.c b/drivers/spi/spi-efm32.c
index fdb6fce..4a5a359 100644 (file)
--- a/drivers/spi/spi-efm32.c
+++ b/drivers/spi/spi-efm32.c
@@ -471,6 +471,9 @@ static int efm32_spi_remove(struct platform_device *pdev)
 
 static const struct of_device_id efm32_spi_dt_ids[] = {
        {
+               .compatible = "energymicro,efm32-spi",
+       }, {
+               /* doesn't follow the "vendor,device" scheme, don't use */
                .compatible = "efm32,spi",
        }, {
                /* sentinel */