Re: [PATCH kernel] crypto/ccp/tsm: Enable the root port after the endpoint
From: Herbert Xu
Date: Fri May 29 2026 - 02:08:50 EST
On Thu, May 21, 2026 at 05:43:01PM +1000, Alexey Kardashevskiy wrote:
> The PCIe r7.0, chapter "6.33.8 Other IDE Rules" mandates if selective IDE
> is enabled for config requersts, a stream must be enabled on the endpoint
> before enabling it on the rootport:
>
> ===
> For Selective IDE, the Stream must not be used until it has been enabled in
> both Partner Ports. For cases where one of the Partner Ports is a Root Port
> and Selective IDE for Configuration Requests is enabled, the other
> Partner Port must be enabled prior to the Root Port. For other scenarios,
> the mechanisms to satisfy this requirement are implementation-specific.
> ===
>
> Do what the spec says.
>
> Fixes: 4be423572da1 ("crypto/ccp: Implement SEV-TIO PCIe IDE (phase1)")
> Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxx>
> ---
> drivers/crypto/ccp/sev-dev-tsm.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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