xhci: Disable stream for xHC controller with XHCI_BROKEN_STREAMS

Hongyu Xie · gregkh · commit 195597e0beb3 · 2025-07-10T16:05:10.000+02:00
commit cd65ee8 upstream. Disable stream for platform xHC controller with broken stream. Fixes: 14aec58 ("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
@@ -326,7 +326,8 @@ 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) {

Original file line number	Diff line number	Diff line change
`@@ -326,7 +326,8 @@ int xhci_plat_probe(struct platform_device pdev, struct device sysdev, const s`
`326`	`326`	`}`
`327`	`327`
`328`	`328`	`usb3_hcd = xhci_get_usb3_hcd(xhci);`
`329`		`- if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4)`
	`329`	`+ if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4 &&`
	`330`	`+ !(xhci->quirks & XHCI_BROKEN_STREAMS))`
`330`	`331`	`usb3_hcd->can_do_streams = 1;`
`331`	`332`
`332`	`333`	`if (xhci->shared_hcd) {`