Linux kernel -stable discussions
 help / color / mirror / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org
Cc: Hongyu Xie <xiehongyu1@kylinos.cn>, stable <stable@kernel.org>,
	Mathias Nyman <mathias.nyman@linux.intel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.4.y] xhci: Disable stream for xHC controller with XHCI_BROKEN_STREAMS
Date: Sun, 20 Jul 2025 19:14:40 -0400	[thread overview]
Message-ID: <20250720231440.758157-1-sashal@kernel.org> (raw)
In-Reply-To: <2025070814-pebbly-diffused-9cd9@gregkh>

From: Hongyu Xie <xiehongyu1@kylinos.cn>

[ Upstream commit cd65ee81240e8bc3c3119b46db7f60c80864b90b ]

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>
[ no usb3_hcd in 5.4 ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/usb/host/xhci-plat.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index fa320006b04d2..73570b392282d 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -333,7 +333,8 @@ static int xhci_plat_probe(struct platform_device *pdev)
 	if (ret)
 		goto disable_usb_phy;
 
-	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+	if (HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
+	    !(xhci->quirks & XHCI_BROKEN_STREAMS))
 		xhci->shared_hcd->can_do_streams = 1;
 
 	ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
-- 
2.39.5


      reply	other threads:[~2025-07-20 23:14 UTC|newest]

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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250720231440.758157-1-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=mathias.nyman@linux.intel.com \
    --cc=stable@kernel.org \
    --cc=stable@vger.kernel.org \
    --cc=xiehongyu1@kylinos.cn \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox