Linux USB
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From: Peter Chen <peter.chen@kernel.org>
To: Xu Yang <xu.yang_2@nxp.com>
Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org,
	linux-imx@nxp.com, jun.li@nxp.com
Subject: Re: [PATCH 3/3] usb: chipidea: imx: add missing USB PHY DPDM wakeup setting
Date: Mon, 5 Jun 2023 07:27:38 +0800	[thread overview]
Message-ID: <20230604232738.GI258497@nchen-desktop> (raw)
In-Reply-To: <20230517081907.3410465-3-xu.yang_2@nxp.com>

On 23-05-17 16:19:07, Xu Yang wrote:
> 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@nxp.com>
> Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
> ---
>  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 9566022a2183..9ee9621e2ccc 100644
> --- a/drivers/usb/chipidea/usbmisc_imx.c
> +++ b/drivers/usb/chipidea/usbmisc_imx.c
> @@ -134,7 +134,7 @@
>  #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)

Acked-by: Peter Chen <peter.chen@kernel.org>

-- 

Thanks,
Peter Chen

  reply	other threads:[~2023-06-04 23:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-17  8:19 [PATCH 1/3] usb: chipidea: imx: remove one duplicated reg define Xu Yang
2023-05-17  8:19 ` [PATCH 2/3] usb: chipidea: imx: turn off vbus comparator when suspend Xu Yang
2023-06-04 23:25   ` Peter Chen
2023-05-17  8:19 ` [PATCH 3/3] usb: chipidea: imx: add missing USB PHY DPDM wakeup setting Xu Yang
2023-06-04 23:27   ` Peter Chen [this message]
2023-06-04 23:25 ` [PATCH 1/3] usb: chipidea: imx: remove one duplicated reg define Peter Chen

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