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From: Andy Shevchenko <andy.shevchenko@gmail.com>
Date: Mon, 6 May 2024 21:57:07 +0300
To: Johan Hovold <johan+linaro@kernel.org>
Cc: Lee Jones <lee@kernel.org>, Mark Brown <broonie@kernel.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Das Srinagesh <quic_gurus@quicinc.com>,
	Satya Priya <quic_c_skakit@quicinc.com>,
	Stephen Boyd <swboyd@chromium.org>, linux-arm-msm@vger.kernel.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-gpio@vger.kernel.org
Subject: Re: [PATCH 03/13] mfd: pm8008: deassert reset on probe
Message-ID: <ZjkoAzHnYTKk_6Yr@surfacebook.localdomain>
References: <20240506150830.23709-1-johan+linaro@kernel.org>
 <20240506150830.23709-4-johan+linaro@kernel.org>
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In-Reply-To: <20240506150830.23709-4-johan+linaro@kernel.org>

Mon, May 06, 2024 at 05:08:20PM +0200, Johan Hovold kirjoitti:
> 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.

..

> +	reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
> +	if (IS_ERR(reset))
> +		return PTR_ERR(reset);

Shouldn't you wait a bit to make chip settle down?

-- 
With Best Regards,
Andy Shevchenko