[PATCH] serial: omap: Remove unnecessary checks from suspend/resume

Felipe Balbi balbi at ti.com
Tue Sep 18 07:34:46 EDT 2012


On Tue, Sep 18, 2012 at 05:05:54PM +0530, Sourav Poddar wrote:
> Drop the check for "up" being valid on suspend/resume callbacks.
> It should be valid always. Get rid of the "pdata" check also as
> serial_omap_get_context_loss_count() checks for it.
> 
> Tested on omap4 panda and 3630 based Beagle board.

you need a blank line here. Other than that:

Reviewed-by: Felipe Balbi <balbi at ti.com>

ps: what kind of tests did you run, btw ?

> Signed-off-by: Sourav Poddar <sourav.poddar at ti.com>
> ---
>  drivers/tty/serial/omap-serial.c |   23 +++++++++--------------
>  1 files changed, 9 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
> index f175385..3c05c5e 100644
> --- a/drivers/tty/serial/omap-serial.c
> +++ b/drivers/tty/serial/omap-serial.c
> @@ -1222,10 +1222,8 @@ static int serial_omap_suspend(struct device *dev)
>  {
>  	struct uart_omap_port *up = dev_get_drvdata(dev);
>  
> -	if (up) {
> -		uart_suspend_port(&serial_omap_reg, &up->port);
> -		flush_work_sync(&up->qos_work);
> -	}
> +	uart_suspend_port(&serial_omap_reg, &up->port);
> +	flush_work_sync(&up->qos_work);
>  
>  	return 0;
>  }
> @@ -1234,8 +1232,8 @@ static int serial_omap_resume(struct device *dev)
>  {
>  	struct uart_omap_port *up = dev_get_drvdata(dev);
>  
> -	if (up)
> -		uart_resume_port(&serial_omap_reg, &up->port);
> +	uart_resume_port(&serial_omap_reg, &up->port);
> +
>  	return 0;
>  }
>  #endif
> @@ -1553,17 +1551,14 @@ static int serial_omap_runtime_suspend(struct device *dev)
>  static int serial_omap_runtime_resume(struct device *dev)
>  {
>  	struct uart_omap_port *up = dev_get_drvdata(dev);
> -	struct omap_uart_port_info *pdata = dev->platform_data;
>  
> -	if (up && pdata) {
> -			u32 loss_cnt = serial_omap_get_context_loss_count(up);
> +	u32 loss_cnt = serial_omap_get_context_loss_count(up);
>  
> -			if (up->context_loss_cnt != loss_cnt)
> -				serial_omap_restore_context(up);
> +	if (up->context_loss_cnt != loss_cnt)
> +		serial_omap_restore_context(up);
>  
> -		up->latency = up->calc_latency;
> -		schedule_work(&up->qos_work);
> -	}
> +	up->latency = up->calc_latency;
> +	schedule_work(&up->qos_work);
>  
>  	return 0;
>  }
> -- 
> 1.7.1
> 

-- 
balbi
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