ACPI / blacklist: add _REV quirks for Dell Precision 5520 and 3520

BugLink: http://bugs.launchpad.net/bugs/1650054
Precision 5520 and 3520 either hang at login and during suspend or reboot.

It turns out that that adding them to acpi_rev_dmi_table[] helps to work
around those issues.

Signed-off-by: Alex Hung <alex.hung@canonical.com>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(backported from commit 9523b9bf6dceef6b0215e90b2348cd646597f796)
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 94e4390789bf49fc1c11e1d534a94d6eb0016686..8f4f1986712517554fdc9b7e8b6d951ad473fab6 100644 (file)
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -429,6 +429,22 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                      DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
                },
        },
+       {
+        .callback = dmi_enable_rev_override,
+        .ident = "DELL Precision 5520",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "Precision 5520"),
+               },
+       },
+       {
+        .callback = dmi_enable_rev_override,
+        .ident = "DELL Precision 3520",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
+               },
+       },
 #endif
        {}
 };