Hi,
On 2/17/24 02:22, Mario Limonciello wrote:
> If a machine advertises Smart PC support but is missing policy data
> show a debugging message to help clarify why Smart PC wasn't enabled.
>
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Thanks, patch looks good to me:
Reviewed-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Regards,
Hans
> ---
> drivers/platform/x86/amd/pmf/tee-if.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c
> index 8b7e3f87702e..1359ab340f7c 100644
> --- a/drivers/platform/x86/amd/pmf/tee-if.c
> +++ b/drivers/platform/x86/amd/pmf/tee-if.c
> @@ -252,8 +252,10 @@ static int amd_pmf_start_policy_engine(struct amd_pmf_dev *dev)
> cookie = readl(dev->policy_buf + POLICY_COOKIE_OFFSET);
> length = readl(dev->policy_buf + POLICY_COOKIE_LEN);
>
> - if (cookie != POLICY_SIGN_COOKIE || !length)
> + if (cookie != POLICY_SIGN_COOKIE || !length) {
> + dev_dbg(dev->dev, "cookie doesn't match\n");
> return -EINVAL;
> + }
>
> /* Update the actual length */
> dev->policy_sz = length + 512;
