Re: [PATCHv3] driver: serial: prevent UART console idle on suspendwhile using "no_console_suspend"
From: Russell King - ARM Linux
Date: Mon Apr 08 2013 - 13:15:01 EST
On Fri, Apr 05, 2013 at 06:45:33PM +0530, Sourav Poddar wrote:
> With dt boot, uart wakeup after suspend is non functional while using
> "no_console_suspend" in the bootargs. With "no_console_suspend" used, we
> should prevent the runtime suspend of the uart port which is getting used
> as an console.
> Cc: Santosh Shilimkar<santosh.shilimkar@xxxxxx>
> Cc: Felipe Balbi<balbi@xxxxxx>
> Cc: Rajendra nayak<rnayak@xxxxxx>
> Tested on omap5430evm, omap4430sdp.
> Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx>
> Based on Kevin Hilman and Santosh Shilimkar comments, modified
> serial core/driver layer to bypass runtime suspend
> for console uart while using "no_console_suspend".
> This patch is based on Santosh Shilimkar serial patch
Rather than introducing this "port_is_console" thing, please move
uart_console() into the serial_core.h header file, making it an inline
function, and use that in omap-serial.c.
Remember to fix drivers/tty/serial/mpc52xx_uart.c as well for that change.
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