Re: [PATCH v2] wifi: ath11k: add pm quirk for Thinkpad Z13/Z16 Gen1

On Sat, Jan 3, 2026, at 8:00 PM, Ross Vandegrift wrote:
> Z16 Gen1 has the wakeup-from-suspend issues from [1] but was never added
> to the appropriate quirk list.  I've tested this patch on top of 6.18.2,
> it fixes the issue for me on 21D4
>
> Mark Pearson provided the other product IDs covering the second Z16 Gen1
> and both Z13 Gen1 identifiers.  They share the same firmware, and folks
> in the bugzilla report do indeed see the problem on Z13.
>
> [1] - https://bugzilla.kernel.org/show_bug.cgi?id=219196
>
> Signed-off-by: Ross Vandegrift <[email protected]>
> ---
>  drivers/net/wireless/ath/ath11k/core.c | 28 ++++++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
>
> diff --git a/drivers/net/wireless/ath/ath11k/core.c 
> b/drivers/net/wireless/ath/ath11k/core.c
> index 812686173ac8..03dddc1cd003 100644
> --- a/drivers/net/wireless/ath/ath11k/core.c
> +++ b/drivers/net/wireless/ath/ath11k/core.c
> @@ -994,6 +994,34 @@ static const struct dmi_system_id 
> ath11k_pm_quirk_table[] = {
>  			DMI_MATCH(DMI_PRODUCT_NAME, "21F9"),
>  		},
>  	},
> +	{
> +		.driver_data = (void *)ATH11K_PM_WOW,
> +		.matches = { /* Z13 G1 */
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "21D2"),
> +		},
> +	},
> +	{
> +		.driver_data = (void *)ATH11K_PM_WOW,
> +		.matches = { /* Z13 G1 */
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "21D3"),
> +		},
> +	},
> +	{
> +		.driver_data = (void *)ATH11K_PM_WOW,
> +		.matches = { /* Z16 G1 */
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "21D4"),
> +		},
> +	},
> +	{
> +		.driver_data = (void *)ATH11K_PM_WOW,
> +		.matches = { /* Z16 G1 */
> +			DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
> +			DMI_MATCH(DMI_PRODUCT_NAME, "21D5"),
> +		},
> +	},
>  	{}
>  };
> 
> -- 
> 2.47.3

Tested on my Z13, and works well. Unfortunately my Z16 is dead so I couldn't sanity check that - but code looks good.

Tested-by: Mark Pearson <[email protected]>
Reviewed-by: Mark Pearson <[email protected]>
Mark