linux-kernel - [PATCH] ACPI: scan: Drop INT3396 from acpi_ignore_dep

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Date:   Mon, 07 Dec 2020 17:55:11 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Linux ACPI <linux-acpi@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
Subject: [PATCH] ACPI: scan: Drop INT3396 from acpi_ignore_dep_ids[]

From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

According to Hans, all device objects where the _HID returns
"INT3396" also have a _CID returning "PNP0D80", so the former
need not be present in acpi_ignore_dep_ids[] any more.

Link: https://lore.kernel.org/linux-acpi/52a2b98c-6bf3-760b-eca9-93cf05fb4877@redhat.com/
Suggested-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
---

On top of https://patchwork.kernel.org/project/linux-acpi/patch/3849919.JfvvSOo2yN@kreacher/

---
 drivers/acpi/scan.c |    1 -
 1 file changed, 1 deletion(-)

Index: linux-pm/drivers/acpi/scan.c
===================================================================
--- linux-pm.orig/drivers/acpi/scan.c
+++ linux-pm/drivers/acpi/scan.c
@@ -751,7 +751,6 @@ static bool acpi_info_matches_ids(struct
 
 /* List of HIDs for which we ignore matching ACPI devices, when checking _DEP lists. */
 static const char * const acpi_ignore_dep_ids[] = {
-	"INT3396", /* Windows System Power Management Controller */
 	"PNP0D80", /* Windows-compatible System Power Management Controller */
 	NULL
 };