[for-4.4,18/19] ACPI / blacklist: Make Dell Latitude 3350 ethernet work

Message ID 1490458699-24484-19-git-send-email-sumit.semwal@linaro.org
State New
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Series
  • Stable commits from Ubuntu Yakkety 4.9-lts
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Commit Message

Sumit Semwal March 25, 2017, 4:18 p.m.
From: Michael Pobega <mpobega@neverware.com>


[ Upstream commit 708f5dcc21ae9b35f395865fc154b0105baf4de4 ]

The Dell Latitude 3350's ethernet card attempts to use a reserved
IRQ (18), resulting in ACPI being unable to enable the ethernet.

Adding it to acpi_rev_dmi_table[] helps to work around this problem.

Signed-off-by: Michael Pobega <mpobega@neverware.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>

Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>

---
 drivers/acpi/blacklist.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

-- 
2.7.4

Patch

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index b2e9395..2f24b57 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -362,6 +362,18 @@  static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 		      DMI_MATCH(DMI_PRODUCT_NAME, "Precision 3520"),
 		},
 	},
+	/*
+	 * Resolves a quirk with the Dell Latitude 3350 that
+	 * causes the ethernet adapter to not function.
+	 */
+	{
+	 .callback = dmi_enable_rev_override,
+	 .ident = "DELL Latitude 3350",
+	 .matches = {
+		      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+		      DMI_MATCH(DMI_PRODUCT_NAME, "Latitude 3350"),
+		},
+	},
 #endif
 	{}
 };