of: Add function for generating a DT modalias with a newline

The modalias sysfs attr is lacking a newline for DT aliases on platform
devices. The macio and ibmebus correctly add the newline, but open code it.
Introduce a new function, of_device_modalias(), that fills the buffer with
the modalias including the newline and update users of the old
of_device_get_modalias function.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
index c9480d77810c..930e8f35f8df 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -107,7 +107,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
         int len;
         struct ulpi *ulpi = to_ulpi_dev(dev);
 
-        len = of_device_get_modalias(dev, buf, PAGE_SIZE - 1);
+        len = of_device_modalias(dev, buf, PAGE_SIZE);
         if (len != -ENODEV)
                 return len;