From: Vinod Koul <vkoul@kernel.org>
To: Bastien Curutchet <bastien.curutchet@bootlin.com>
Cc: Kishon Vijay Abraham I <kishon@kernel.org>,
Bin Liu <b-liu@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
herve.codina@bootlin.com, christophercordahi@nanometrics.ca
Subject: Re: [PATCH 1/4] phy: ti: phy-da8xx-usb: Add runtime PM support
Date: Sat, 15 Jun 2024 17:39:44 +0530 [thread overview]
Message-ID: <Zm2EiKTNR_cdLLoP@matsya> (raw)
In-Reply-To: <20240528102026.40136-2-bastien.curutchet@bootlin.com>
On 28-05-24, 12:20, Bastien Curutchet wrote:
> Runtime PM is not supported while USB PHY can be turned off from
> register accesses.
>
> Add runtime PM for the USB2.0 PHY. The PHY is entirely shut down to save
> as much power as possible. This means that gadgets will not be discovered
> once suspend state is entered, and suspend state can not be left without
> an explicit user intervention (through sysfs). That's why runtime PM is
> disabled by default.
Acked-by: Vinod Koul <vkoul@kernel.org>
--
~Vinod
--
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy
WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: Bastien Curutchet <bastien.curutchet@bootlin.com>
Cc: Kishon Vijay Abraham I <kishon@kernel.org>,
Bin Liu <b-liu@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-usb@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
herve.codina@bootlin.com, christophercordahi@nanometrics.ca
Subject: Re: [PATCH 1/4] phy: ti: phy-da8xx-usb: Add runtime PM support
Date: Sat, 15 Jun 2024 17:39:44 +0530 [thread overview]
Message-ID: <Zm2EiKTNR_cdLLoP@matsya> (raw)
In-Reply-To: <20240528102026.40136-2-bastien.curutchet@bootlin.com>
On 28-05-24, 12:20, Bastien Curutchet wrote:
> Runtime PM is not supported while USB PHY can be turned off from
> register accesses.
>
> Add runtime PM for the USB2.0 PHY. The PHY is entirely shut down to save
> as much power as possible. This means that gadgets will not be discovered
> once suspend state is entered, and suspend state can not be left without
> an explicit user intervention (through sysfs). That's why runtime PM is
> disabled by default.
Acked-by: Vinod Koul <vkoul@kernel.org>
--
~Vinod
next prev parent reply other threads:[~2024-06-15 12:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-28 10:20 [PATCH 0/4] usb: davinci: Add PM runtime support and improve HOST only mode support Bastien Curutchet
2024-05-28 10:20 ` Bastien Curutchet
2024-05-28 10:20 ` [PATCH 1/4] phy: ti: phy-da8xx-usb: Add runtime PM support Bastien Curutchet
2024-05-28 10:20 ` Bastien Curutchet
2024-06-15 12:09 ` Vinod Koul [this message]
2024-06-15 12:09 ` Vinod Koul
2024-05-28 10:20 ` [PATCH 2/4] Revert "usb: musb: da8xx: Set phy in OTG mode by default" Bastien Curutchet
2024-05-28 10:20 ` Bastien Curutchet
2024-05-28 10:20 ` [PATCH 3/4] usb: musb: da8xx: Remove try_idle implementation from host-only mode Bastien Curutchet
2024-05-28 10:20 ` Bastien Curutchet
2024-05-28 10:20 ` [PATCH 4/4] usb: musb: da8xx: Implement BABBLE recovery Bastien Curutchet
2024-05-28 10:20 ` Bastien Curutchet
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