Hi Bipin,

Understood. I don't have the workaround at the moment. Will share if I get to it.

Thanks, Okash

On Fri, Jan 28, 2022 at 10:13 PM Bipin Ravi via TF-A tf-a@lists.trustedfirmware.org wrote:

Hi Okash,

In TF-A project, we haven't supported errata patches for system IP's like GIC-600 until now. We typically support Cat B errata patches for Arm CPU implementations that are made public. Additionally we also support DSU errata patches for the TF-A supported CPUs as applicable.

But we are more than happy to support any code reviews required for the implementation of the below said errata.

Thanks, Bipin

-----Original Message----- From: tf-a-request@lists.trustedfirmware.org tf-a-request@lists.trustedfirmware.org Sent: Thursday, January 27, 2022 6:00 PM To: tf-a@lists.trustedfirmware.org Subject: TF-A Digest, Vol 37, Issue 16

1. GIC-600 errata 1717652: missed wake requests (Okash Khawaja)

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Message: 1 Date: Thu, 27 Jan 2022 13:36:32 +0000 From: Okash Khawaja okash@google.com Subject: [TF-A] GIC-600 errata 1717652: missed wake requests To: tf-a@lists.trustedfirmware.org Message-ID: CAGjWKv6TTLVvF7GfsmY76QFjSzcSX8DqPuPukJQAOH-AqAvuLg@mail.gmail.com Content-Type: text/plain; charset="UTF-8"

Hi,

It seems like TF-A's GIC600 driver currently doesn't have support for the Cat B errata 1717652 "Wake_request may not be delivered if multiple cores are woken by PPIs at the same time". Are there plans to support this?

Thanks, Okash

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