linux-kernel - Re: [PATCH v3 4/4] watchdog: qcom: add support to read the restart reason from IMEM

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Message-ID: <ac8837b8-3964-40ec-84a6-e25aa06dda39@kernel.org>
Date: Fri, 2 May 2025 15:33:26 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>,
 Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck
 <linux@...ck-us.net>, bod.linux@...w.ie
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: Re: [PATCH v3 4/4] watchdog: qcom: add support to read the restart
 reason from IMEM

On 02/05/2025 15:17, Kathiravan Thirumoorthy wrote:
>  
> +static int  qcom_wdt_get_restart_reason(struct qcom_wdt *wdt,
> +					const struct qcom_wdt_match_data *data)
> +{
> +	struct regmap *imem;
> +	unsigned int val;
> +	int ret;
> +
> +	imem = syscon_regmap_lookup_by_compatible(data->imem_compatible);
And how are you handling proper probe ordering? Use phandles and define
this as an ABI.

Best regards,
Krzysztof