diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 614d0382e2cbe5b4fd37ce5ce67db76ddd89a6c4..854ed5ca7e3f122f5ac808b462eb14b9ee6b1977 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2086,9 +2086,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			Override pmtimer IOPort with a hex value.
 			e.g. pmtmr=0x508
 
-	pnp.debug	[PNP]
-			Enable PNP debug messages.  This depends on the
-			CONFIG_PNP_DEBUG_MESSAGES option.
+	pnp.debug=1	[PNP]
+			Enable PNP debug messages (depends on the
+			CONFIG_PNP_DEBUG_MESSAGES option).  Change at run-time
+			via /sys/module/pnp/parameters/debug.  We always show
+			current resource usage; turning this on also shows
+			possible settings and some assignment information.
 
 	pnpacpi=	[ACPI]
 			{ off }
diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h
index bc533dde16c47785d2c0321a173039eeede4e69b..f895a244ca7ea187588356475e6ca4d700804b52 100644
--- a/drivers/acpi/acpica/acconfig.h
+++ b/drivers/acpi/acpica/acconfig.h
@@ -121,7 +121,7 @@
 
 /* Maximum sleep allowed via Sleep() operator */
 
-#define ACPI_MAX_SLEEP                  20000	/* Two seconds */
+#define ACPI_MAX_SLEEP                  2000	/* Two seconds */
 
 /******************************************************************************
  *
diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig
index c34aa51af4eed85a99bc9aad7720e4dd582f47a8..e3f47872ec222949d13f239fdaf9e00eb5985984 100644
--- a/drivers/acpi/apei/Kconfig
+++ b/drivers/acpi/apei/Kconfig
@@ -13,6 +13,7 @@ config ACPI_APEI_GHES
 	bool "APEI Generic Hardware Error Source"
 	depends on ACPI_APEI && X86
 	select ACPI_HED
+	select IRQ_WORK
 	select LLIST
 	select GENERIC_ALLOCATOR
 	help
diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c
index 8041248fce9ba245a6eeeedf4adb4dd7a2b5ee20..61540360d5ce815f67e67250874ad357f3e328e6 100644
--- a/drivers/acpi/apei/apei-base.c
+++ b/drivers/acpi/apei/apei-base.c
@@ -618,7 +618,7 @@ int apei_osc_setup(void)
 	};
 
 	capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE;
-	capbuf[OSC_SUPPORT_TYPE] = 0;
+	capbuf[OSC_SUPPORT_TYPE] = 1;
 	capbuf[OSC_CONTROL_TYPE] = 0;
 
 	if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle))