linux-kernel - Re: [PATCH v2 5/5] ACPI: scan: Consolidate Device Check and Bus Check notification handling

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Message-ID: <20240227094131.0000291c@Huawei.com>
Date: Tue, 27 Feb 2024 09:41:31 +0000
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>
CC: Linux ACPI <linux-acpi@...r.kernel.org>, LKML
	<linux-kernel@...r.kernel.org>, Mika Westerberg
	<mika.westerberg@...ux.intel.com>, "Rafael J. Wysocki" <rafael@...nel.org>,
	"Russell King (Oracle)" <linux@...linux.org.uk>
Subject: Re: [PATCH v2 5/5] ACPI: scan: Consolidate Device Check and Bus
 Check notification handling

On Mon, 26 Feb 2024 17:46:41 +0100
"Rafael J. Wysocki" <rjw@...ysocki.net> wrote:

> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> There is no particular reason why device object subtree rescans in
> acpi_scan_device_check() and acpi_scan_device_check() should be carried
> out differently, so move the rescan code into a new function called
> acpi_scan_rescan_bus() and make both the functions above invoke it.
> 
> While at it, in the Device Check case, start the device object subtree
> rescan mentioned above from the target device's parent, as per the
> specification. [1]
> 
> Link: https://uefi.org/specs/ACPI/6.5/05_ACPI_Software_Programming_Model.html#device-object-notification-values # [1]
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>

Thanks,

Jonathan