Re: How to write "modern" pinctrl DT node

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On Thu 20 Jun 04:02 PDT 2019, Marc Gonzalez wrote:

> On 11/06/2019 20:05, Bjorn Andersson wrote:
> 
> > Also, what's up with tsif0 vs tsif1?
> 
> Some people count from 0; other people count from 1.
> 
> The HW programming guide mentions TSIF_0 and TSIF_1.
> The pinctrl driver defines tsif1 and tsif2.
> 
> I propose we use 0 and 1 consistently everywhere.
> 

I do like when the tlmm functions matches the hardware block naming
(which for some reason is not always the case). So I'm good with your
suggestion.

> > PS. I would suggest that you send a patch to the MSM8998 pinctrl driver
> > (and binding) where you squash tsifN_* to tsifN. It would break
> > backwards compatibility, but I think we can take that risk now before
> > someone starts to use it... And after that you can go with your proposed
> > squashed node.
> 
> Here's what I have right now:
> 
> $ git ls --stat 85c02fb4dfd1..HEAD
> 5ed38c44a92a (HEAD -> tsif-fixup) Fixup qcom,msm8998-pinctrl.txt example
>  Documentation/devicetree/bindings/pinctrl/qcom,msm8998-pinctrl.txt | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
> 823402af81a6 Fixup qcom,msm8998-pinctrl.txt binding
>  Documentation/devicetree/bindings/pinctrl/qcom,msm8998-pinctrl.txt | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> afb686b8b3e7 Squash all 5 tsif1 pins together
>  drivers/pinctrl/qcom/pinctrl-msm8998.c | 38 +++++++++-----------------------------
>  1 file changed, 9 insertions(+), 29 deletions(-)
> 8e4d31c8d455 Squash all 5 tsif0 pins together
>  drivers/pinctrl/qcom/pinctrl-msm8998.c | 38 +++++++++-----------------------------
>  1 file changed, 9 insertions(+), 29 deletions(-)
> ee850fa510a6 sed -i 's/tsif2/tsif1/g' drivers/pinctrl/qcom/pinctrl-msm8998.c
>  drivers/pinctrl/qcom/pinctrl-msm8998.c | 40 ++++++++++++++++++++--------------------
>  1 file changed, 20 insertions(+), 20 deletions(-)
> c7ffe4075623 sed -i 's/tsif1/tsif0/g' drivers/pinctrl/qcom/pinctrl-msm8998.c
>  drivers/pinctrl/qcom/pinctrl-msm8998.c | 40 ++++++++++++++++++++--------------------
>  1 file changed, 20 insertions(+), 20 deletions(-)
> 
> I'm wondering if the series needs to be split up (as it is) or squashed
> into a single patch (might be harder to review for mistakes).
> 
> What do you think?
>

Go for one patch.

Regards,
Bjorn



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