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USB: chipidea: msm: fix ulpi-node lookup 

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: 47654a1620 ("usb: chipidea: msm: Restore wrapper settings after reset")
Fixes: b74c43156c ("usb: chipidea: msm: ci_hdrc_msm_probe() missing of_node_get()")
Cc: stable <stable@vger.kernel.org>     # 4.10: b74c43156c
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Johan Hovold 2017-11-13 11:12:58 +01:00 committed by Peter Chen
parent 72b663a99c
commit 964728f9f4
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/chipidea/ci_hdrc_msm.c
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@ -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");
if (ulpi_node) {
phy_node = of_get_next_available_child(ulpi_node, NULL);
ci->hsic = of_device_is_compatible(phy_node, "qcom,usb-hsic-phy");