[PATCH] soc: aspeed: lpc-ctrl: Block error printing on probe defer cases

[Winiarska, Iwona]

On Wed, 2021-11-03 at 14:54 -0700, jae.hyun.yoo at intel.com wrote:
> From: Jae Hyun Yoo <jae.hyun.yoo at linux.intel.com>
> 
> Add a checking code when it gets -EPROBE_DEFER while getting a clock
> resource. In this case, it doesn't need to print out an error message
> because the probing will be re-visited.
> 
> Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo at linux.intel.com>
> ---
>  drivers/soc/aspeed/aspeed-lpc-ctrl.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-
> lpc-ctrl.c
> index 72771e018c42..e2262dbc7cf6 100644
> --- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
> +++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
> @@ -307,8 +307,10 @@ static int aspeed_lpc_ctrl_probe(struct platform_device
> *pdev)
>  
>         lpc_ctrl->clk = devm_clk_get(dev, NULL);
>         if (IS_ERR(lpc_ctrl->clk)) {
> -               dev_err(dev, "couldn't get clock\n");
> -               return PTR_ERR(lpc_ctrl->clk);
> +               rc = PTR_ERR(lpc_ctrl->clk);
> +               if (rc != -EPROBE_DEFER)
> +                       dev_err(dev, "couldn't get clock\n");
> +               return rc;
>         }
>         rc = clk_prepare_enable(lpc_ctrl->clk);
>         if (rc) {

This pattern should be handled using dev_err_probe()

Thanks
-Iwona