linux-kernel - [PATCH 5.13 154/175] usb: cdnsp: Fix incorrect supported maximum speed

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Date:   Tue, 10 Aug 2021 19:31:02 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pawel Laszczak <pawell@...ence.com>,
        Peter Chen <peter.chen@...nel.org>
Subject: [PATCH 5.13 154/175] usb: cdnsp: Fix incorrect supported maximum speed

From: Pawel Laszczak <pawell@...ence.com>

commit aa82f94e869edd72f4fadb08c6ffca8927e4934e upstream.

Driver had hardcoded in initialization maximum supported speed
to USB_SPEED_SUPER_PLUS but it should consider the speed
returned from usb_get_maximum_speed function.

Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
Signed-off-by: Pawel Laszczak <pawell@...ence.com>
Link: https://lore.kernel.org/r/20210625102502.26336-1-pawell@gli-login.cadence.com
Signed-off-by: Peter Chen <peter.chen@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/cdns3/cdnsp-gadget.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/cdns3/cdnsp-gadget.c
+++ b/drivers/usb/cdns3/cdnsp-gadget.c
@@ -1881,7 +1881,7 @@ static int __cdnsp_gadget_init(struct cd
 	pdev->gadget.name = "cdnsp-gadget";
 	pdev->gadget.speed = USB_SPEED_UNKNOWN;
 	pdev->gadget.sg_supported = 1;
-	pdev->gadget.max_speed = USB_SPEED_SUPER_PLUS;
+	pdev->gadget.max_speed = max_speed;
 	pdev->gadget.lpm_capable = 1;
 
 	pdev->setup_buf = kzalloc(CDNSP_EP0_SETUP_SIZE, GFP_KERNEL);