From: Romain Izard <romain.izard.pro@gmail.com>
To: Boris Brezillon <boris.brezillon@free-electrons.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
Lee Jones <lee.jones@linaro.org>,
Wenyou Yang <wenyou.yang@atmel.com>,
Josh Wu <rainyfeeling@outlook.com>,
Richard Weinberger <richard@nod.at>,
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>,
Jiri Slaby <jslaby@suse.com>,
Alan Stern <stern@rowland.harvard.edu>,
Ludovic Desroches <ludovic.desroches@microchip.com>,
Nicolas Ferre <nicolas.ferre@microchip.com>,
Ale
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,
Romain Izard <romain.izard.pro@gmail.com>
Subject: [PATCH v4 5/8] ehci-atmel: Power down during suspend is normal
Date: Thu, 28 Sep 2017 11:46:24 +0200 [thread overview]
Message-ID: <20170928094627.31017-6-romain.izard.pro@gmail.com> (raw)
In-Reply-To: <20170928094627.31017-1-romain.izard.pro@gmail.com>
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>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.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;
}
#ifdef CONFIG_OF
--
2.11.0
next prev parent reply other threads:[~2017-09-28 9:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 9:46 [PATCH v4 0/8] Various patches for SAMA5D2 backup mode Romain Izard
2017-09-28 9:46 ` [PATCH v4 1/8] clk: at91: pmc: Wait for clocks when resuming Romain Izard
2017-09-28 9:46 ` [PATCH v4 2/8] clk: at91: pmc: Save SCSR during suspend Romain Izard
2017-09-28 9:46 ` [PATCH v4 3/8] clk: at91: pmc: Support backup for programmable clocks Romain Izard
2017-09-28 9:46 ` [PATCH v4 4/8] mtd: nand: atmel: Avoid ECC errors when leaving backup mode Romain Izard
2017-10-05 7:22 ` Boris Brezillon
2017-09-28 9:46 ` Romain Izard [this message]
2017-09-28 9:46 ` [PATCH v4 6/8] pwm: atmel-tcb: Support " Romain Izard
2017-09-28 9:46 ` [PATCH v4 7/8] atmel_flexcom: " Romain Izard
2017-09-28 9:46 ` [PATCH v4 8/8] tty/serial: atmel: Prevent a warning on suspend Romain Izard
2017-09-28 10:02 ` [PATCH v4 0/8] Various patches for SAMA5D2 backup mode Alexandre Belloni
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