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From: Nicolas Ferre <nicolas.ferre@microchip.com>
To: Romain Izard <romain.izard.pro@gmail.com>,
	Alexandre Belloni <alexandre.belloni@free-electrons.com>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@codeaurora.org>,
	Ludovic Desroches <ludovic.desroches@microchip.com>,
	Wenyou Yang <wenyou.yang@atmel.com>,
	Josh Wu <rainyfeeling@outlook.com>,
	David Woodhouse <dwmw2@infradead.org>,
	Brian Norris <computersforpeace@gmail.com>,
	Marek Vasut <marek.vasut@gmail.com>,
	Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>,
	Thierry Reding <thierry.reding@gmail.com>,
	Richard Genoud <richard.genoud@gmail.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Stern <stern@rowland.harvard.edu>
Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-pwm@vger.kernel.org,
	linux-serial@vger.kernel.org, linux-usb@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 6/9] ehci-atmel: Power down during suspend is normal
Date: Fri, 22 Sep 2017 14:40:21 +0200	[thread overview]
Message-ID: <90b0ce5e-d99e-7bba-0e6e-3d375053487d@microchip.com> (raw)
In-Reply-To: <20170915140411.31716-7-romain.izard.pro@gmail.com>

On 15/09/2017 at 16:04, Romain Izard wrote:
> When an Atmel SoC is suspended with the backup mode, the USB bus will be
> powered down. As this is expected, do not return an error to the driver
> core when ehci_resume detects it.
> 
> Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
> ---
>  drivers/usb/host/ehci-atmel.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
> index 7440722bfbf0..2a8b9bdc0e57 100644
> --- a/drivers/usb/host/ehci-atmel.c
> +++ b/drivers/usb/host/ehci-atmel.c
> @@ -205,7 +205,8 @@ static int __maybe_unused ehci_atmel_drv_resume(struct device *dev)
>  	struct atmel_ehci_priv *atmel_ehci = hcd_to_atmel_ehci_priv(hcd);
>  
>  	atmel_start_clock(atmel_ehci);
> -	return ehci_resume(hcd, false);
> +	ehci_resume(hcd, false);
> +	return 0;

Ok, I agree with that as the underlying function takes care about the
controller, in any case (even for !B+S-R case). So we don't have any
added value to propagate this information.

Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>

>  }
>  
>  #ifdef CONFIG_OF
> 


-- 
Nicolas Ferre

  reply	other threads:[~2017-09-22 12:40 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-15 14:04 [PATCH v2 0/9] Various patches for SAMA5D2 backup mode Romain Izard
2017-09-15 14:04 ` [PATCH v2 1/9] clk: at91: pmc: Wait for clocks when resuming Romain Izard
2017-09-22 12:05   ` Ludovic Desroches
2017-09-22 12:13   ` Nicolas Ferre
2017-09-15 14:04 ` [PATCH v2 2/9] clk: at91: pmc: Save SCSR during suspend Romain Izard
2017-09-15 14:04 ` [PATCH v2 3/9] clk: at91: pmc: Support backup for programmable clocks Romain Izard
2017-09-22 10:31   ` Nicolas Ferre
2017-09-25  8:25     ` Romain Izard
2017-09-15 14:04 ` [PATCH v2 4/9] mtd: nand: atmel: Avoid ECC errors when leaving backup mode Romain Izard
2017-09-18  9:50   ` Boris Brezillon
2017-09-15 14:04 ` [PATCH v2 5/9] mtd: nand: atmel: Report PMECC failures as errors Romain Izard
2017-09-18 10:00   ` Boris Brezillon
2017-09-21  9:22     ` Romain Izard
2017-09-15 14:04 ` [PATCH v2 6/9] ehci-atmel: Power down during suspend is normal Romain Izard
2017-09-22 12:40   ` Nicolas Ferre [this message]
2017-09-15 14:04 ` [PATCH v2 7/9] pwm: atmel-tcb: Support backup mode Romain Izard
2017-09-22 12:42   ` Nicolas Ferre
2017-09-15 14:04 ` [PATCH v2 8/9] atmel_flexcom: " Romain Izard
2017-09-19  9:29   ` Nicolas Ferre
2017-09-19 15:25     ` Lee Jones
2017-09-20  8:30       ` Romain Izard
2017-09-20  9:18         ` Alexandre Belloni
2017-09-15 14:04 ` [PATCH v2 9/9] tty/serial: atmel: Prevent a warning on suspend Romain Izard
2017-09-19 10:19   ` Nicolas Ferre
2017-09-20 14:35   ` Richard Genoud

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