From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>, Hongyu Xie <xiehongyu1@kylinos.cn>,
stable@vger.kernel.org,
Mathias Nyman <mathias.nyman@linux.intel.com>
Subject: [PATCH 2/4] xhci: Disable stream for xHC controller with XHCI_BROKEN_STREAMS
Date: Fri, 27 Jun 2025 17:41:20 +0300 [thread overview]
Message-ID: <20250627144127.3889714-3-mathias.nyman@linux.intel.com> (raw)
In-Reply-To: <20250627144127.3889714-1-mathias.nyman@linux.intel.com>
From: Hongyu Xie <xiehongyu1@kylinos.cn>
Disable stream for platform xHC controller with broken stream.
Fixes: 14aec589327a6 ("storage: accept some UAS devices if streams are unavailable")
Cc: stable@vger.kernel.org # 5.4
Signed-off-by: Hongyu Xie <xiehongyu1@kylinos.cn>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
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 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) {
--
2.43.0
next prev parent reply other threads:[~2025-06-27 14:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-27 14:41 [PATCH 0/4] xhci fixes for usb-linus Mathias Nyman
2025-06-27 14:41 ` [PATCH 1/4] usb: xhci: quirk for data loss in ISOC transfers Mathias Nyman
2025-06-27 14:41 ` Mathias Nyman [this message]
2025-06-27 14:41 ` [PATCH 3/4] xhci: dbctty: disable ECHO flag by default Mathias Nyman
2025-06-27 14:41 ` [PATCH 4/4] xhci: dbc: Flush queued requests before stopping dbc Mathias Nyman
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