linux-kernel - [PATCH AUTOSEL 5.15 09/24] usb: chipidea: imx: add missing USB PHY DPDM wakeup setting

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Message-Id: <20230724013325.2332084-9-sashal@kernel.org>
Date:   Sun, 23 Jul 2023 21:33:10 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Xu Yang <xu.yang_2@....com>, Li Jun <jun.li@....com>,
        Peter Chen <peter.chen@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>, Peter.Chen@....com,
        linux-usb@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 09/24] usb: chipidea: imx: add missing USB PHY DPDM wakeup setting

From: Xu Yang <xu.yang_2@....com>

[ Upstream commit 53d061c19dc4cb68409df6dc11c40389c8c42a75 ]

USB PHY DPDM wakeup bit is enabled by default, when USB wakeup
is not required(/sys/.../wakeup is disabled), this bit should be
disabled, otherwise we will have unexpected wakeup if do USB device
connect/disconnect while system sleep.
This bit can be enabled for both host and device mode.

Signed-off-by: Li Jun <jun.li@....com>
Signed-off-by: Xu Yang <xu.yang_2@....com>
Acked-by: Peter Chen <peter.chen@...nel.org>
Message-ID: <20230517081907.3410465-3-xu.yang_2@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/usb/chipidea/usbmisc_imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index bac0f5458cab9..2318c7906acdb 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -135,7 +135,7 @@
 #define TXVREFTUNE0_MASK		(0xf << 20)
 
 #define MX6_USB_OTG_WAKEUP_BITS (MX6_BM_WAKEUP_ENABLE | MX6_BM_VBUS_WAKEUP | \
-				 MX6_BM_ID_WAKEUP)
+				 MX6_BM_ID_WAKEUP | MX6SX_BM_DPDM_WAKEUP_EN)
 
 struct usbmisc_ops {
 	/* It's called once when probe a usb device */
-- 
2.39.2