linux-kernel - Re: [PATCH v2 03/14] mfd: pm8008: deassert reset on probe

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAHp75VdnTQJFfqOdxC99gWckxebdUr4hV0wp3ZTs1Pey7q_fsA@mail.gmail.com>
Date: Wed, 29 May 2024 22:45:40 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Johan Hovold <johan+linaro@...nel.org>
Cc: Lee Jones <lee@...nel.org>, Mark Brown <broonie@...nel.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Liam Girdwood <lgirdwood@...il.com>, Das Srinagesh <quic_gurus@...cinc.com>, 
	Satya Priya Kakitapalli <quic_skakitap@...cinc.com>, Stephen Boyd <swboyd@...omium.org>, 
	"Bryan O'Donoghue" <bryan.odonoghue@...aro.org>, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-gpio@...r.kernel.org
Subject: Re: [PATCH v2 03/14] mfd: pm8008: deassert reset on probe

On Wed, May 29, 2024 at 7:30 PM Johan Hovold <johan+linaro@...nel.org> wrote:
>
> Request and deassert any (optional) reset gpio during probe in case it
> has been left asserted by the boot firmware.
>
> Note the reset line is not asserted to avoid reverting to the default
> I2C address in case the firmware has configured an alternate address.

..

> +       /*
> +        * The PMIC does not appear to require a post-reset delay, but wait
> +        * for a millisecond for now anyway.
> +        */

> +       usleep_range(1000, 2000);

fsleep() ?

-- 
With Best Regards,
Andy Shevchenko