Re: [PATCH 38/43] phy: qcom-qmp-pcie: drop pipe clock lane suffix

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On 05/07/2022 13:58, Johan Hovold wrote:
> On Tue, Jul 05, 2022 at 02:13:04PM +0300, Dmitry Baryshkov wrote:
>> On 05/07/2022 13:20, Krzysztof Kozlowski wrote:
>>> On 05/07/2022 11:42, Johan Hovold wrote:
>>>> The pipe clock is defined in the "lane" node so there's no need to keep
>>>> adding a redundant lane-number suffix to the clock name.
>>>>
>>>> Drop the lane suffix from the pipe clock name, but continue supporting
>>>> the legacy name as a fall back.
>>>>
>>>> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
>>>> ---
>>>>   drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 8 ++++++--
>>>>   1 file changed, 6 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
>>>> index 385ea3d8de08..254ad25591b9 100644
>>>> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
>>>> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
>>>> @@ -2210,8 +2210,12 @@ int qcom_qmp_phy_pcie_create(struct device *dev, struct device_node *np, int id,
>>>>   	if (!qphy->pcs_misc)
>>>>   		dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
>>>>   
>>>> -	snprintf(prop_name, sizeof(prop_name), "pipe%d", id);
>>>> -	qphy->pipe_clk = devm_get_clk_from_child(dev, np, prop_name);
>>>> +	qphy->pipe_clk = devm_get_clk_from_child(dev, np, "pipe");
>>>
>>> Just get first clock and no need for handling any deprecation.
> 
> I still want to deprecate the current name as it makes no sense and
> risks introducing inconsistencies when adding new resources (e.g. should
> they also get a bogus suffix).

And it was suggested to you to deprecate entire property... There is no
need to handle anything in the driver.

> 
>> If I got it correctly, passing NULL instead of the name would do the trick.
> 
> Ah, thanks for spotting that. I feared this would require adding a host
> of new devres wrappers otherwise.
> 
> Would still be needed for the upcoming second pipediv2 clock though...


Best regards,
Krzysztof



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