5.14-stable patches

added patches:
	revert-acpi-scan-release-pm-resources-blocked-by-unused-objects.patch

diff --git a/queue-5.14/revert-acpi-scan-release-pm-resources-blocked-by-unused-objects.patch b/queue-5.14/revert-acpi-scan-release-pm-resources-blocked-by-unused-objects.patch
new file mode 100644 (file)
index 0000000..6506b48
--- /dev/null
+++ b/queue-5.14/revert-acpi-scan-release-pm-resources-blocked-by-unused-objects.patch
@@ -0,0 +1,79 @@
+From 3b2b49e6dfdcf423506a771bf44cee842596351a Mon Sep 17 00:00:00 2001
+From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
+Date: Wed, 17 Nov 2021 17:05:41 +0100
+Subject: Revert "ACPI: scan: Release PM resources blocked by unused objects"
+
+From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+
+commit 3b2b49e6dfdcf423506a771bf44cee842596351a upstream.
+
+Revert commit c10383e8ddf4 ("ACPI: scan: Release PM resources blocked
+by unused objects"), because it causes boot issues to appear on some
+platforms.
+
+Reported-by: Kyle D. Pelton <kyle.d.pelton@intel.com>
+Reported-by: Saranya Gopal <saranya.gopal@intel.com>
+Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/acpi/glue.c     |   25 -------------------------
+ drivers/acpi/internal.h |    1 -
+ drivers/acpi/scan.c     |    6 ------
+ 3 files changed, 32 deletions(-)
+
+--- a/drivers/acpi/glue.c
++++ b/drivers/acpi/glue.c
+@@ -363,28 +363,3 @@ int acpi_platform_notify(struct device *
+       }
+       return 0;
+ }
+-
+-int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used)
+-{
+-      struct acpi_device *adev = to_acpi_device(dev);
+-
+-      /*
+-       * Skip device objects with device IDs, because they may be in use even
+-       * if they are not companions of any physical device objects.
+-       */
+-      if (adev->pnp.type.hardware_id)
+-              return 0;
+-
+-      mutex_lock(&adev->physical_node_lock);
+-
+-      /*
+-       * Device objects without device IDs are not in use if they have no
+-       * corresponding physical device objects.
+-       */
+-      if (list_empty(&adev->physical_node_list))
+-              acpi_device_set_power(adev, ACPI_STATE_D3_COLD);
+-
+-      mutex_unlock(&adev->physical_node_lock);
+-
+-      return 0;
+-}
+--- a/drivers/acpi/internal.h
++++ b/drivers/acpi/internal.h
+@@ -117,7 +117,6 @@ bool acpi_device_is_battery(struct acpi_
+ bool acpi_device_is_first_physical_node(struct acpi_device *adev,
+                                       const struct device *dev);
+ int acpi_bus_register_early_device(int type);
+-int acpi_dev_turn_off_if_unused(struct device *dev, void *not_used);
+ 
+ /* --------------------------------------------------------------------------
+                      Device Matching and Notification
+--- a/drivers/acpi/scan.c
++++ b/drivers/acpi/scan.c
+@@ -2560,12 +2560,6 @@ int __init acpi_scan_init(void)
+               }
+       }
+ 
+-      /*
+-       * Make sure that power management resources are not blocked by ACPI
+-       * device objects with no users.
+-       */
+-      bus_for_each_dev(&acpi_bus_type, NULL, NULL, acpi_dev_turn_off_if_unused);
+-
+       acpi_turn_off_unused_power_resources();
+ 
+       acpi_scan_initialized = true;

diff --git a/queue-5.14/series b/queue-5.14/series
index cd8f2cbee2320a943fc1850e5b610dbe7cacb3fc..32b0db53ef8a4743f68633b2b214471d7370b273 100644 (file)
--- a/queue-5.14/series
+++ b/queue-5.14/series
@@ -12,3 +12,4 @@ pci-msi-deal-with-devices-lying-about-their-msi-mask-capability.patch
 pci-add-msi-masking-quirk-for-nvidia-ion-ahci.patch
 perf-core-avoid-put_page-when-gup-fails.patch
 thermal-fix-null-pointer-dereferences-in-of_thermal_-functions.patch
+revert-acpi-scan-release-pm-resources-blocked-by-unused-objects.patch