From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A732AC2E0; Mon, 23 Jun 2025 21:32:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750714328; cv=none; b=Osw/5mt6Ry+2smWls0WMEUsIXjY35aCgP5TYCxjuKwIbQIZQQA7zG392VpVbJT2qe+rojM6qcwxNvIpgudaaum9IItMwwSfvrO+SVjAy/76dR8qBzg+wSRAzb1utkhwInr1LsBRWjf8se1uz6SY5gy5VVzqCI4suPN+4S/hSsno= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750714328; c=relaxed/simple; bh=2Gm3mJeyeHv3LY9C7ktLgJ/2qOtIt1ZL4XhbACQiWhg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DGzqTu3o+8qx2DrSlSH+jUlu82SDuc8rp6EQlt96ysVrwZZiYa202uBoILQtm2ZhmwyofeEtNxQI0o3XfUeSxuej+z41iCqm6AKXkzUqCjksVOZdujH8OxMHHegDPFq9tOoNSM6UL0J/bcMIxg9NW92HttVIZwHWnSNZoRpB5UY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=a5TTtq76; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="a5TTtq76" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3D03BC4CEEA; Mon, 23 Jun 2025 21:32:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750714328; bh=2Gm3mJeyeHv3LY9C7ktLgJ/2qOtIt1ZL4XhbACQiWhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a5TTtq76daVO8eoL58sBzkxHZo8Vgf/moYLdhrt7VKWMA6rwT1DlIWx7hmSyncgJj KgYBKMsTieJX4oSNKTr9Th6OpeuPw24C90/884WgbKSBqOFW2LRbbdJQOZ9TmhbUWe fUP2RMTlZ0QA4ZLmz5WtamiRod1z7p/mEeh2/T/4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable , Pawel Laszczak , Peter Chen Subject: [PATCH 5.15 181/411] usb: cdnsp: Fix issue with detecting USB 3.2 speed Date: Mon, 23 Jun 2025 15:05:25 +0200 Message-ID: <20250623130638.240772594@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250623130632.993849527@linuxfoundation.org> References: <20250623130632.993849527@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pawel Laszczak commit 2852788cfbe9ca1ab68509d65804413871f741f9 upstream. Patch adds support for detecting SuperSpeedPlus Gen1 x2 and SuperSpeedPlus Gen2 x2 speed. Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Cc: stable Signed-off-by: Pawel Laszczak Acked-by: Peter Chen Link: https://lore.kernel.org/r/PH7PR07MB95387AD98EDCA695FECE52BADD96A@PH7PR07MB9538.namprd07.prod.outlook.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/cdns3/cdnsp-gadget.c | 3 ++- drivers/usb/cdns3/cdnsp-gadget.h | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) --- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -28,7 +28,8 @@ unsigned int cdnsp_port_speed(unsigned int port_status) { /*Detect gadget speed based on PORTSC register*/ - if (DEV_SUPERSPEEDPLUS(port_status)) + if (DEV_SUPERSPEEDPLUS(port_status) || + DEV_SSP_GEN1x2(port_status) || DEV_SSP_GEN2x2(port_status)) return USB_SPEED_SUPER_PLUS; else if (DEV_SUPERSPEED(port_status)) return USB_SPEED_SUPER; --- a/drivers/usb/cdns3/cdnsp-gadget.h +++ b/drivers/usb/cdns3/cdnsp-gadget.h @@ -285,11 +285,15 @@ struct cdnsp_port_regs { #define XDEV_HS (0x3 << 10) #define XDEV_SS (0x4 << 10) #define XDEV_SSP (0x5 << 10) +#define XDEV_SSP1x2 (0x6 << 10) +#define XDEV_SSP2x2 (0x7 << 10) #define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0 << 10)) #define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) #define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) #define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) #define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) +#define DEV_SSP_GEN1x2(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP1x2) +#define DEV_SSP_GEN2x2(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP2x2) #define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) #define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) /* Port Link State Write Strobe - set this when changing link state */