ACK: [PATCH] ACPI / blacklist: Make Dell Latitude 3350 ethernet work

Colin Ian King colin.king at canonical.com
Tue Dec 13 09:21:18 UTC 2016


On 13/12/16 07:54, AceLan Kao wrote:
> From: Michael Pobega <mpobega at neverware.com>
> 
> BugLink: http://bugs.launchpad.net/bugs/1648279 
> 
> 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 at neverware.com>
> [ rjw: Changelog ]
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
> 
> (backported from commit 708f5dcc21ae9b35f395865fc154b0105baf4de4)
> Signed-off-by: AceLan Kao <acelan.kao at canonical.com>
> ---
>  drivers/acpi/blacklist.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
> index b002188..94e4390 100644
> --- a/drivers/acpi/blacklist.c
> +++ b/drivers/acpi/blacklist.c
> @@ -417,6 +417,18 @@ static struct dmi_system_id acpi_osi_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.
> +	 */
> +	{708f5dcc21ae9b35f395865fc154b0105baf4de4
> +	 .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
>  	{}
>  };
> 

Comment: This is a recent commit (Nov-11) from linux-next and not hit
Linux yet, I guess it will land in the 4.10 merge very soon.

This quirk affects a small set of H/W and seems to do the trick, so I'm
OK with this fix.

Acked-by: Colin Ian King <colin.king at canonical.com>




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