serial: 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".

Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 1 deletions

diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c
index 7baa34920dbf..55d9c00112cc 100644
--- a/drivers/tty/serial/efm32-uart.c
+++ b/drivers/tty/serial/efm32-uart.c
@@ -665,10 +665,16 @@ static int efm32_uart_probe_dt(struct platform_device *pdev,
         if (!np)
                 return 1;
 
-        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)
                 /* 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");