On Mon, Nov 13, 2017 at 11:12:58AM +0100, Johan Hovold wrote:
> Fix child-node lookup during probe, which ended up searching the whole
> device tree depth-first starting at the parent rather than just matching
> on its children.
>
> Note that the original premature free of the parent node has already
> been fixed separately, but that fix was apparently never backported to
> stable.
>
> Fixes: 47654a162081 ("usb: chipidea: msm: Restore wrapper settings after reset")
> Fixes: b74c43156c0c ("usb: chipidea: msm: ci_hdrc_msm_probe() missing of_node_get()")
> Cc: stable <stable@xxxxxxxxxxxxxxx> # 4.10: b74c43156c0c
> Cc: Stephen Boyd <stephen.boyd@xxxxxxxxxx>
> Cc: Frank Rowand <frank.rowand@xxxxxxxx>
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
> drivers/usb/chipidea/ci_hdrc_msm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
> index 3593ce0ec641..880009987460 100644
> --- a/drivers/usb/chipidea/ci_hdrc_msm.c
> +++ b/drivers/usb/chipidea/ci_hdrc_msm.c
> @@ -247,7 +247,7 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
> if (ret)
> goto err_mux;
>
> - ulpi_node = of_find_node_by_name(of_node_get(pdev->dev.of_node), "ulpi");
> + ulpi_node = of_get_child_by_name(pdev->dev.of_node, "ulpi");
Stephen, would you comment on it? I am afraid I can't find the benefit
for this change.
--
Best Regards,
Peter Chen
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