Re: [RFC 27/42] drivers/tty/serial: don't check resource withdevm_ioremap_resource

[Greg Kroah-Hartman]

On Fri, May 10, 2013 at 10:17:12AM +0200, Wolfram Sang wrote:
> devm_ioremap_resource does sanity checks on the given resource. No need to
> duplicate this in the driver.
> 
> Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
> ---
>  drivers/tty/serial/serial-tegra.c |    6 +-----
>  1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
> index 9799d04..9570b55 100644
> --- a/drivers/tty/serial/serial-tegra.c
> +++ b/drivers/tty/serial/serial-tegra.c
> @@ -1295,13 +1295,9 @@ static int tegra_uart_probe(struct platform_device *pdev)
>  	tup->cdata = cdata;
>  
>  	platform_set_drvdata(pdev, tup);
> -	resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> -	if (!resource) {
> -		dev_err(&pdev->dev, "No IO memory resource\n");
> -		return -ENODEV;
> -	}
>  
>  	u->mapbase = resource->start;
> +	resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);

You need to look at your scripts, as again, this is totally wrong.

greg k-h
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