From mboxrd@z Thu Jan  1 00:00:00 1970
From: shawnguo@kernel.org (Shawn Guo)
Date: Sat, 11 Jun 2016 22:03:41 +0800
Subject: [PATCH 2/8] tty: serial: fsl_lpuart: support suspend/resume
In-Reply-To: <20160609151039.20817-3-bhuvanchandra.dv@toradex.com>
References: <20160609151039.20817-1-bhuvanchandra.dv@toradex.com>
 <20160609151039.20817-3-bhuvanchandra.dv@toradex.com>
Message-ID: <20160611140341.GT20243@tiger>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Thu, Jun 09, 2016 at 08:40:33PM +0530, Bhuvanchandra DV wrote:
> From: Stefan Agner <stefan@agner.ch>
> 
> In order to allow wake support in STOP sleep mode, clocks are
> needed. Use imx_clk_gate2_cgr to disable automatic clock gating
> in low power mode STOP. This allows to enable wake by UART using:
> echo enabled > /sys/class/tty/ttyLP0/power/wakeup
> 
> However, if wake is not enabled, the driver should disable the
> clocks explicitly to save power.
> 
> Signed-off-by: Stefan Agner <stefan@agner.ch>
> ---
>  drivers/clk/imx/clk-vf610.c     | 12 ++++++------

Please send clock driver changes in a separate patch.

Shawn

>  drivers/tty/serial/fsl_lpuart.c | 16 ++++++++++++++--
>  2 files changed, 20 insertions(+), 8 deletions(-)