[PATCH] serial: imx: Fix for non-devicetree boards
Sascha Hauer
s.hauer at pengutronix.de
Thu Sep 4 22:48:45 PDT 2014
On Fri, Aug 15, 2014 at 11:10:03AM +0200, Philipp Zabel wrote:
> Commit 3843bfd0ab77eaf125ca617922927b61fc8ded74
> "serial: imx: Determine device name from device tree"
> broke this driver for non-devicetree boards, since
> of_alias_get may not be called with a NULL pointer
> as first argument.
>
> Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
Applied, thanks.
Damn, I missed this patch in my inbox, otherwise it would have been in
the last release.
Now it's in the stable/2014.09 branch.
Sascha
> ---
> drivers/serial/serial_imx.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
> index 474bfaf..e379f29 100644
> --- a/drivers/serial/serial_imx.c
> +++ b/drivers/serial/serial_imx.c
> @@ -338,9 +338,11 @@ static int imx_serial_probe(struct device_d *dev)
> cdev->flush = imx_serial_flush;
> cdev->setbrg = imx_serial_setbaudrate;
> cdev->linux_console_name = "ttymxc";
> - devname = of_alias_get(dev->device_node);
> - if (devname)
> - cdev->devname = xstrdup(devname);
> + if (dev->device_node) {
> + devname = of_alias_get(dev->device_node);
> + if (devname)
> + cdev->devname = xstrdup(devname);
> + }
>
> imx_serial_init_port(cdev);
>
> --
> 2.0.1
>
>
--
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