From: Tzung-Bi Shih <tzungbi@kernel.org>
To: Marek Maslanka <mmaslanka@google.com>
Cc: Benson Leung <bleung@chromium.org>,
Abhishek Pandit-Subedi <abhishekpandit@chromium.org>,
Jameson Thies <jthies@google.com>,
Andrei Kuchynski <akuchynski@chromium.org>,
Guenter Roeck <groeck@chromium.org>,
Radu Vele <raduvele@google.com>,
chrome-platform@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] platform/chrome: cros_ec_typec: Poll for role swap completion
Date: Thu, 8 Oct 2026 02:20:12 +0000 [thread overview]
Message-ID: <asb93F_Xvl5Sco3J@google.com> (raw)
In-Reply-To: <20261007033837.708119-1-mmaslanka@google.com>
On Wed, Oct 07, 2026 at 05:38:37AM +0200, Marek Maslanka wrote:
> Depending on the EC USB-C stack (TCPMv2 vs PDC), EC_CMD_USB_PD_CONTROL
> with a role swap request may either block until the swap completes or
> queue the request asynchronously for the EC PD task and return the
> current (pre-swap) role in the immediate response. On platforms where
> the EC handles the swap asynchronously, checking resp.role right after
> issuing the swap command sees the old role and fails with -EIO before
> the USB PD handshake completes.
>
> [...]
Applied to
https://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux.git for-next
[1/1] platform/chrome: cros_ec_typec: Poll for role swap completion
commit: 2d3ee0bdb321ad84d9cf18d4bfd2b839293a695d
Thanks!
prev parent reply other threads:[~2026-10-08 2:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 3:38 [PATCH v2] platform/chrome: cros_ec_typec: Poll for role swap completion Marek Maslanka
2026-10-08 2:20 ` Tzung-Bi Shih [this message]
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