[PATCH 3/4] amba-pl011: probe fail if we can get the clock

[Jean-Christophe PLAGNIOL-VILLARD]

subject fix on git://git.jcrosoft.org/barebox.git sh-prepare

Best Regards,
J.
On 13:27 Sun 12 Sep     , Jean-Christophe PLAGNIOL-VILLARD wrote:
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> ---
>  drivers/serial/amba-pl011.c |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c
> index 07508d0..8ddba2e 100644
> --- a/drivers/serial/amba-pl011.c
> +++ b/drivers/serial/amba-pl011.c
> @@ -34,6 +34,7 @@
>  #include <asm/io.h>
>  #include <linux/amba/serial.h>
>  #include <linux/clk.h>
> +#include <linux/err.h>
>  
>  /*
>   * We wrap our port structure around the generic console_device.
> @@ -160,6 +161,9 @@ static int pl011_probe(struct device_d *dev)
>  
>  	uart->clk = clk_get(dev, NULL);
>  
> +	if (PTR_ERR(uart->clk) < 0)
> +		return PTR_ERR(uart->clk);
> +
>  	cdev = &uart->uart;
>  	dev->type_data = cdev;
>  	cdev->dev = dev;
> -- 
> 1.7.1