linux-kernel - Re: [PATCH v2 4/5] ACPI: video: Clean up printing messages

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Date:   Wed, 3 Feb 2021 10:16:15 +0800
From:   Hanjun Guo <guohanjun@...wei.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>
CC:     Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Erik Kaneda <erik.kaneda@...el.com>,
        "Joe Perches" <joe@...ches.com>
Subject: Re: [PATCH v2 4/5] ACPI: video: Clean up printing messages

On 2021/2/3 2:18, Rafael J. Wysocki wrote:
[...]
> Also make one unrelated janitorial change to fix up white space and
> use ACPI_FAILURE() instead of negating ACPI_SUCCESS().

[...]

>   	status = acpi_evaluate_object(video->device->handle, "_DOD", NULL, &buffer);
>   	if (!ACPI_SUCCESS(status)) {

if (ACPI_FAILURE(status))

> -		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD"));
> +		acpi_handle_info(video->device->handle,
> +				 "_DOD evaluation failed: %s\n",
> +				 acpi_format_exception(status));


Thanks
Hanjun