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

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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).

> 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...

Johan



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