linux-kernel - Re: (subset) [PATCH 1/3] arm64: dts: exynos: fix polarity of "enable" line of NFC chip

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Date:   Mon, 17 Oct 2022 22:05:15 -0500
From:   Bjorn Andersson <andersson@...nel.org>
To:     krzysztof.kozlowski@...aro.org, dmitry.torokhov@...il.com
Cc:     linux-arm-kernel@...ts.infradead.org, alim.akhtar@...sung.com,
        k.opasiak@...sung.com, linux-kernel@...r.kernel.org,
        agross@...nel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: (subset) [PATCH 1/3] arm64: dts: exynos: fix polarity of "enable" line of NFC chip

On Wed, 28 Sep 2022 18:15:55 -0700, Dmitry Torokhov wrote:
> According to s3fwrn5 driver code the "enable" GPIO line is driven "high"
> when chip is not in use (mode is S3FWRN5_MODE_COLD), and is driven "low"
> when chip is in use.
> 
> s3fwrn5_phy_power_ctrl():
> 
> 	...
> 	gpio_set_value(phy->gpio_en, 1);
> 	...
> 	if (mode != S3FWRN5_MODE_COLD) {
> 		msleep(S3FWRN5_EN_WAIT_TIME);
> 		gpio_set_value(phy->gpio_en, 0);
> 		msleep(S3FWRN5_EN_WAIT_TIME);
> 	}
> 
> [...]

Applied, thanks!

[2/3] arm64: dts: qcom: msm8916-samsung-a2015: fix polarity of "enable" line of NFC chip
      commit: 978bc4c578a6d7baffc5646b0f327da036b3051b

Best regards,
-- 
Bjorn Andersson <andersson@...nel.org>