linux-kernel - [PATCH v2 1/7] usb: mtu3: restore HS function when set SS/SSP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1628773895-304-1-git-send-email-chunfeng.yun@mediatek.com>
Date:   Thu, 12 Aug 2021 21:11:29 +0800
From:   Chunfeng Yun <chunfeng.yun@...iatek.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Felipe Balbi <balbi@...nel.org>
CC:     Pawel Laszczak <pawell@...ence.com>,
        Al Cooper <alcooperx@...il.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        Yang Yingliang <yangyingliang@...wei.com>,
        Rikard Falkeborn <rikard.falkeborn@...il.com>,
        <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <bcm-kernel-feedback-list@...adcom.com>,
        <linux-tegra@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Eddie Hung <eddie.hung@...iatek.com>,
        stable <stable@...r.kernel.org>
Subject: [PATCH v2 1/7] usb: mtu3: restore HS function when set SS/SSP

Due to HS function is disabled when set as FS, need restore
it when set as SS/SSP.

Fixes: dc4c1aa7eae9 ("usb: mtu3: add ->udc_set_speed()")
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
---
v2: no changes
---
 drivers/usb/mtu3/mtu3_core.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index 562f4357831e..6403f01947b2 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -227,11 +227,13 @@ static void mtu3_set_speed(struct mtu3 *mtu, enum usb_device_speed speed)
 		mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
 		break;
 	case USB_SPEED_SUPER:
+		mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
 		mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
 			     SSUSB_U3_PORT_SSP_SPEED);
 		break;
 	case USB_SPEED_SUPER_PLUS:
-			mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
+		mtu3_setbits(mbase, U3D_POWER_MANAGEMENT, HS_ENABLE);
+		mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0),
 			     SSUSB_U3_PORT_SSP_SPEED);
 		break;
 	default:
-- 
2.18.0