Re: [PATCH] tpm/tpm_tis: Disable interrupts categorically for Lenovo

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On Thu, Aug 10, 2023 at 09:24:33PM +0300, Jarkko Sakkinen wrote:
> By large most of the entries in tpm_tis_dmi_table[] are for Lenovo laptops,
> and they keep on coming. Therefore, disable IRQs categorically for Lenovo.
> 
> Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
> Cc: <stable@xxxxxxxxxxxxxxx> # v6.4+
> Reported-by: "Takashi Iwai" <tiwai@xxxxxxx>
> Closes: https://lore.kernel.org/linux-integrity/87il9qhxjq.wl-tiwai@xxxxxxx/
> Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>

Acked-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>

> ---
> This will be included into v6.5-rc6 PR, as long as Takashi ack's it. I'm
> planning to send tomorrow morning (GMT+3).
> 
> BR, Jarkko
>  drivers/char/tpm/tpm_tis.c | 34 ----------------------------------
>  1 file changed, 34 deletions(-)
> 
> diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
> index 3c0f68b9e44f..dd0f52d35073 100644
> --- a/drivers/char/tpm/tpm_tis.c
> +++ b/drivers/char/tpm/tpm_tis.c
> @@ -132,42 +132,8 @@ static const struct dmi_system_id tpm_tis_dmi_table[] = {
>  	},
>  	{
>  		.callback = tpm_tis_disable_irq,
> -		.ident = "ThinkPad T490s",
>  		.matches = {
>  			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T490s"),
> -		},
> -	},
> -	{
> -		.callback = tpm_tis_disable_irq,
> -		.ident = "ThinkStation P360 Tiny",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkStation P360 Tiny"),
> -		},
> -	},
> -	{
> -		.callback = tpm_tis_disable_irq,
> -		.ident = "ThinkPad L490",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L490"),
> -		},
> -	},
> -	{
> -		.callback = tpm_tis_disable_irq,
> -		.ident = "ThinkPad L590",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L590"),
> -		},
> -	},
> -	{
> -		.callback = tpm_tis_disable_irq,
> -		.ident = "ThinkStation P620",
> -		.matches = {
> -			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
> -			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkStation P620"),
>  		},
>  	},
>  	{
> -- 
> 2.39.2
> 




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