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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2014-03-14 21:42:11 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-03-17 16:13:23 -0700 |
| commit | 74be65a3cff5d31fcec6022de091193ae72271ca (patch) | |
| tree | 517cd9300467b1890e7cd474c4fd2b25b5fdb2cd | |
| parent | 58dea3577c5b7a88a989a511d7bc16514647f472 (diff) | |
| download | op-kernel-dev-74be65a3cff5d31fcec6022de091193ae72271ca.zip op-kernel-dev-74be65a3cff5d31fcec6022de091193ae72271ca.tar.gz | |
serial: efm32: properly namespace location property
While reviewing an i2c driver for efm32 that needs a similar property
Wolfram Sang pointed out that "location" is a too generic name for something
that is efm32 specific. So add an appropriate namespace and fall back to the
generic name in case of failure.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/serial/efm32-uart.txt | 4 | ||||
| -rw-r--r-- | drivers/tty/serial/efm32-uart.c | 5 |
2 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/serial/efm32-uart.txt b/Documentation/devicetree/bindings/serial/efm32-uart.txt index 8e080b8..1984bdf 100644 --- a/Documentation/devicetree/bindings/serial/efm32-uart.txt +++ b/Documentation/devicetree/bindings/serial/efm32-uart.txt @@ -6,7 +6,7 @@ Required properties: - interrupts : Should contain uart interrupt Optional properties: -- location : Decides the location of the USART I/O pins. +- efm32,location : Decides the location of the USART I/O pins. Allowed range : [0 .. 5] Default: 0 @@ -16,5 +16,5 @@ uart@0x4000c400 { compatible = "efm32,uart"; reg = <0x4000c400 0x400>; interrupts = <15>; - location = <0>; + efm32,location = <0>; }; diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index 0eb5b56..028582e 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -671,7 +671,10 @@ static int efm32_uart_probe_dt(struct platform_device *pdev, if (!np) return 1; - ret = of_property_read_u32(np, "location", &location); + ret = of_property_read_u32(np, "efm32,location", &location); + if (ret) + /* fall back to old and (wrongly) generic property "location" */ + ret = of_property_read_u32(np, "location", &location); if (!ret) { if (location > 5) { dev_err(&pdev->dev, "invalid location\n"); |
