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Message-ID: <Zl2NYTIWtt604WXm@google.com>
Date: Mon, 3 Jun 2024 09:31:13 +0000
From: Tzung-Bi Shih <tzungbi@...nel.org>
To: Ben Walsh <ben@...nut.com>
Cc: Benson Leung <bleung@...omium.org>, Guenter Roeck <groeck@...omium.org>,
"Dustin L. Howett" <dustin@...ett.net>,
Kieran Levin <ktl@...me.work>,
Thomas Weißschuh <linux@...ssschuh.net>,
Mario Limonciello <mario.limonciello@....com>,
chrome-platform@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/5] platform/chrome: cros_ec_lpc: Add a new quirk for
AML mutex
On Mon, Jun 03, 2024 at 07:38:33AM +0100, Ben Walsh wrote:
> @@ -484,6 +492,18 @@ static int cros_ec_lpc_probe(struct platform_device *pdev)
> }
> ACPI_COMPANION_SET(dev, adev);
> }
> +
> + if (quirks & CROS_EC_LPC_QUIRK_AML_MUTEX) {
> + const char *name
> + = driver_data->quirk_aml_mutex_name;
> + ret = cros_ec_lpc_mec_acpi_mutex(adev, name);
* Assuming the `adev = ACPI_COMPANION(dev);` didn't move in previous patch,
`adev` here could be uninitialized.
* Also, it shouldn't rely on CROS_EC_LPC_QUIRK_ACPI_ID to set the `adev`.
To keep it simple, I would suggest to use ACPI_COMPANION() instead.
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