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    Subject[PATCH 4.9 77/93] ACPI / blacklist: add _REV quirks for Dell Precision 5520 and 3520
    Date
    4.9-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Alex Hung <alex.hung@canonical.com>

    [ 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@canonical.com>
    [ rjw: Changelog ]
    Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

    Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    drivers/acpi/blacklist.c | 16 ++++++++++++++++
    1 file changed, 16 insertions(+)

    --- a/drivers/acpi/blacklist.c
    +++ b/drivers/acpi/blacklist.c
    @@ -160,6 +160,22 @@ static struct dmi_system_id acpi_rev_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
    {}
    };

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