FAILED: patch "[PATCH] usb: typec: ucsi: Ack also failed Get Error commands" failed to apply to 5.15-stable tree

FAILED: patch "[PATCH] usb: typec: ucsi: Ack also failed Get Error commands" failed to apply to 5.15-stable tree

[gregkh]

The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 8bdf8a42bca4f47646fd105a387ab6926948c7f1
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024061722-surround-richness-1add@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:

8bdf8a42bca4 ("usb: typec: ucsi: Ack also failed Get Error commands")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 8bdf8a42bca4f47646fd105a387ab6926948c7f1 Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Fri, 31 May 2024 13:46:52 +0300
Subject: [PATCH] usb: typec: ucsi: Ack also failed Get Error commands

It is possible that also the GET_ERROR command fails. If
that happens, the command completion still needs to be
acknowledged. Otherwise the interface will be stuck until
it's reset.

Reported-by: Ammy Yi <ammy.yi@intel.com>
Fixes: bdc62f2bae8f ("usb: typec: ucsi: Simplified registration and I/O API")
Cc: stable@vger.kernel.org
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240531104653.1303519-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index cb52e7b0a2c5..2cc7aedd490f 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -153,8 +153,13 @@ static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd)
 	}
 
 	if (cci & UCSI_CCI_ERROR) {
-		if (cmd == UCSI_GET_ERROR_STATUS)
+		if (cmd == UCSI_GET_ERROR_STATUS) {
+			ret = ucsi_acknowledge(ucsi, false);
+			if (ret)
+				return ret;
+
 			return -EIO;
+		}
 		return ucsi_read_error(ucsi);
 	}