Re: [PATCH v2 1/2] tpm/tpm_tis: Disable interrupts for Framework Laptop Intel 12th gen

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On 10.07.23 16:28, Christian Hesse wrote:
> This device suffer an irq storm, so add it in tpm_tis_dmi_table to
> force polling.
> 
> Link: https://community.frame.work/t/boot-and-shutdown-hangs-with-arch-linux-kernel-6-4-1-mainline-and-arch/33118
> Fixes: e644b2f498d2 ("tpm, tpm_tis: Enable interrupt test")
> Cc: stable@xxxxxxxxxxxxxxx
> Reported-by: <roubro1991@xxxxxxxxx>
> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217631

Thx again for working on this. FWIW, a quote from a recent comment there
FYI:

```
 mapleleaf 2023-07-10 16:37:03 UTC

I have the same problem and I own a Framework 12th-gen, but for whatever
reason my DMI_PRODUCT_VERSION is A8 instead of A6...

$ sudo dmidecode -s baseboard-version
A8

[tag] [reply] [−]
Private
Comment 13 mapleleaf 2023-07-10 16:41:29 UTC

And also:

$ sudo dmidecode -s system-version
A8

```

> ---
>  drivers/char/tpm/tpm_tis.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
> index 7db3593941ea..2979f8b9aaa0 100644
> --- a/drivers/char/tpm/tpm_tis.c
> +++ b/drivers/char/tpm/tpm_tis.c
> @@ -114,6 +114,14 @@ static int tpm_tis_disable_irq(const struct dmi_system_id *d)
>  }
>  
>  static const struct dmi_system_id tpm_tis_dmi_table[] = {
> +	{
> +		.callback = tpm_tis_disable_irq,
> +		.ident = "Framework Laptop Intel 12th gen",
> +		.matches = {
> +			DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
> +			DMI_MATCH(DMI_PRODUCT_VERSION, "A4"),
> +		},
> +	},
>  	{
>  		.callback = tpm_tis_disable_irq,
>  		.ident = "ThinkPad T490s",



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