Linux ARM-MSM sub-architecture
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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Will Newton <will.newton@gmail.com>
Cc: linux-arm-msm@vger.kernel.org
Subject: Re: PM8916 RPM regulator supply names too long
Date: Tue, 12 Dec 2017 16:15:01 -0800	[thread overview]
Message-ID: <20171213001501.GH4803@minitux> (raw)
In-Reply-To: <CAFbHwiTH8-USmhwszSd9tMqKVw6WcWDrwuP+bXn2kbPsFm=fyw@mail.gmail.com>

On Tue 12 Dec 07:11 PST 2017, Will Newton wrote:

> Hi,
> 
> I noticed that in drivers/regulator/qcom_smd-regulator.c there are
> supply names such as:
> 
> "vdd_l8_l9_l10_l11_l12_l13_l14_l15_l16_l17_l18"
> 
> This gets looked up in the DT (with the string "-supply" appended) but
> this will always fail due to the name exceeding the 32 character
> maximum of a DT attribute and getting truncated.

That's not good, I guess we have to game the system and rename this
"vdd_l8-l18" or something like that.

> Is this a known issue? I'm curious as to why MSM8916 users are not
> finding this a problem in practice.

I haven't heard anyone complain about this before.

The reason why we haven't this this issue is because at least on db410c
the supply is vph_pwr which is an always on, fixed, 3.7V line, which we
don't describe in DT (but probably should for completeness).

Regards,
Bjorn

      reply	other threads:[~2017-12-13  0:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-12 15:11 PM8916 RPM regulator supply names too long Will Newton
2017-12-13  0:15 ` Bjorn Andersson [this message]

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