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
prev parent 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]
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