Re: [PATCH v3] usb: dwc3: st: Rely on child's compatible instead of name

Patrice CHOTARD
2022-10-24T07:17:39Z

On 10/22/22 12:26, Greg Kroah-Hartman wrote:
> On Fri, Sep 30, 2022 at 04:20:18PM +0200, patrice.chotard@foss.st.com wrote:
>> From: Patrice Chotard <patrice.chotard@foss.st.com>
>>
>> To ensure that child node is found, don't rely on child's node name
>> which can take different value, but on child's compatible name.
>>
>> Fixes: f5c5936d6b4d ("usb: dwc3: st: Fix node's child name")
>> Cc: Jerome Audu <jerome.audu@st.com>
>> Reported-by: Felipe Balbi <felipe@balbi.sh>
>> Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
>> ---
>> v3: - rebase on correct branch
>> v2: - add missing reported-by
>> - add Fixes
>> ---
>> drivers/usb/dwc3/dwc3-st.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
>> index 6c14a79279f9..fea5290de83f 100644
>> --- a/drivers/usb/dwc3/dwc3-st.c
>> +++ b/drivers/usb/dwc3/dwc3-st.c
>> @@ -251,7 +251,7 @@ static int st_dwc3_probe(struct platform_device *pdev)
>> /* Manage SoftReset */
>> reset_control_deassert(dwc3_data->rstc_rst);
>>
>> - child = of_get_child_by_name(node, "usb");
>> + child = of_get_compatible_child(node, "snps,dwc3");
>> if (!child) {
>> dev_err(&pdev->dev, "failed to find dwc3 core node\n");
>> ret = -ENODEV;
>> --
>> 2.25.1
>>
>
> Is this still needed for 6.1-final?

Yes, still needed for v6.1.

Thanks
Patrice

>
> thanks,
>
> greg k-h