Thread (2 messages) 2 messages, 2 authors, 2016-11-24

Re: [PATCH] Fix for Dell Latitude 3350 ethernet not working.

From: Rafael J. Wysocki <hidden>
Date: 2016-11-24 01:20:30

On Friday, November 11, 2016 10:29:14 PM Michael Pobega wrote:
quoted hunk ↗ jump to hunk
The Dell Latitude 3350's ethernet card attempts to use a reserved IRQ (18),
resulting in ACPI being unable to enable the ethernet.

This patch forces a specific _REV (ACPI revision) value as a workaround
to allow the Dell Latitude 3350's board to work correctly.

The approach is similar to 18d78b64fddc11eb336f01e46ad3303a3f55d039

Signed-off-by: Michael Pobega <redacted>
---
 drivers/acpi/blacklist.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index bdc67ba..05cd61f 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -160,6 +160,18 @@ static struct dmi_system_id acpi_rev_dmi_table[] __initdata = {
 		      DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343"),
 		},
 	},
+	/*
+	 * 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
 	{}
 };
Applied, with edited changelog.

Thanks,
Rafael
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