4.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
From: Alex Hung <alex.hung@xxxxxxxxxxxxx>
[ Upstream commit 9523b9bf6dceef6b0215e90b2348cd646597f796 ]
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@xxxxxxxxxxxxx>
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/acpi/blacklist.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -346,6 +346,22 @@ static struct dmi_system_id acpi_osi_dmi
DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
},
},
+ {
+ .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
{}
};