Re: [PATCHv2 2/5] driver: serial: omap: prevent runtime PM for "no_console_suspend"

From: Sourav Poddar
Date: Tue Apr 23 2013 - 00:52:47 EST


Hi Felipe,
On Monday 22 April 2013 08:01 PM, Felipe Balbi wrote:
Hi,

On Mon, Apr 22, 2013 at 07:13:54PM +0530, Sourav Poddar wrote:
The driver manages "no_console_suspend" by preventing runtime PM
during the suspend path, which forces the console UART to stay awake.

Signed-off-by: Sourav Poddar<sourav.poddar@xxxxxx>
---
drivers/tty/serial/omap-serial.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 08332f3..640b14e 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1582,7 +1582,7 @@ static int serial_omap_runtime_suspend(struct device *dev)
struct uart_omap_port *up = dev_get_drvdata(dev);
struct omap_uart_port_info *pdata = dev->platform_data;

- if (!up)
+ if (!up || (!console_suspend_enabled&& uart_console(&up->port)))
return -EINVAL;
-EBUSY would be a better value for uart_console case, so this check
should be splitted accordingly. Likewise on second hunk.

Ok. Will change in the next version.
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