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From: <gregkh@linuxfoundation.org>
To: xiehongyu1@kylinos.cn,gregkh@linuxfoundation.org,mathias.nyman@linux.intel.com,stable@kernel.org
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] xhci: Disable stream for xHC controller with" failed to apply to 5.4-stable tree
Date: Tue, 08 Jul 2025 10:53:14 +0200	[thread overview]
Message-ID: <2025070814-pebbly-diffused-9cd9@gregkh> (raw)


The patch below does not apply to the 5.4-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-5.4.y
git checkout FETCH_HEAD
git cherry-pick -x cd65ee81240e8bc3c3119b46db7f60c80864b90b
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2025070814-pebbly-diffused-9cd9@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

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

From cd65ee81240e8bc3c3119b46db7f60c80864b90b Mon Sep 17 00:00:00 2001
From: Hongyu Xie <xiehongyu1@kylinos.cn>
Date: Fri, 27 Jun 2025 17:41:20 +0300
Subject: [PATCH] xhci: Disable stream for xHC controller with
 XHCI_BROKEN_STREAMS

Disable stream for platform xHC controller with broken stream.

Fixes: 14aec589327a6 ("storage: accept some UAS devices if streams are unavailable")
Cc: stable <stable@kernel.org>
Signed-off-by: Hongyu Xie <xiehongyu1@kylinos.cn>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20250627144127.3889714-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 6dab142e7278..c79d5ed48a08 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -328,7 +328,8 @@ int xhci_plat_probe(struct platform_device *pdev, struct device *sysdev, const s
 	}
 
 	usb3_hcd = xhci_get_usb3_hcd(xhci);
-	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4)
+	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
+	    !(xhci->quirks & XHCI_BROKEN_STREAMS))
 		usb3_hcd->can_do_streams = 1;
 
 	if (xhci->shared_hcd) {


             reply	other threads:[~2025-07-08  8:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-08  8:53 gregkh [this message]
2025-07-20 23:14 ` [PATCH 5.4.y] xhci: Disable stream for xHC controller with XHCI_BROKEN_STREAMS Sasha Levin

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