[PATCH v2] soc: aspeed: lpc-ctrl: Block error printing on probe defer cases

[Winiarska, Iwona <iwona.winiarska@intel.com>]

On Thu, 2021-11-04 at 10:37 -0700, jae.hyun.yoo at intel.com wrote:
> From: Jae Hyun Yoo <jae.hyun.yoo@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@linux.intel.com>

Reviewed-by: Iwona Winiarska <iwona.winiarska@intel.com>

-Iwona

> ---
> v1 -> v2:
> ?* Simplified it using dev_err_probe. (Iwona)
> 
> ?drivers/soc/aspeed/aspeed-lpc-ctrl.c | 7 +++----
> ?1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/soc/aspeed/aspeed-lpc-ctrl.c b/drivers/soc/aspeed/aspeed-
> lpc-ctrl.c
> index 72771e018c42..258894ed234b 100644
> --- a/drivers/soc/aspeed/aspeed-lpc-ctrl.c
> +++ b/drivers/soc/aspeed/aspeed-lpc-ctrl.c
> @@ -306,10 +306,9 @@ 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);
> -???????}
> +???????if (IS_ERR(lpc_ctrl->clk))
> +???????????????return dev_err_probe(dev, PTR_ERR(lpc_ctrl->clk),
> +??????????????????????????????????? "couldn't get clock\n");
> ????????rc = clk_prepare_enable(lpc_ctrl->clk);
> ????????if (rc) {
> ????????????????dev_err(dev, "couldn't enable clock\n");