On 10/31/20 1:42 AM, Grygorii Strashko wrote:
> The devm_clk_get() may return -EPROBE_DEFER which is not handled properly
> by TI EHRPWM driver and causes unnecessary boot log messages.
>
> Hence, add proper deferred probe handling with new dev_err_probe() API.
>
> Signed-off-by: Grygorii Strashko <grygorii.stras...@ti.com>
> ---
Reviewed-by: Vignesh Raghavendra <vigne...@ti.com>
> drivers/pwm/pwm-tiehrpwm.c | 12 ++++--------
> 1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
> index 0846917ff2d2..14c8fdcfd607 100644
> --- a/drivers/pwm/pwm-tiehrpwm.c
> +++ b/drivers/pwm/pwm-tiehrpwm.c
> @@ -437,10 +437,8 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
> }
> }
>
> - if (IS_ERR(clk)) {
> - dev_err(&pdev->dev, "failed to get clock\n");
> - return PTR_ERR(clk);
> - }
> + if (IS_ERR(clk))
> + return dev_err_probe(&pdev->dev, PTR_ERR(clk), "Failed to get
> fck\n");
>
> pc->clk_rate = clk_get_rate(clk);
> if (!pc->clk_rate) {
> @@ -462,10 +460,8 @@ static int ehrpwm_pwm_probe(struct platform_device *pdev)
>
> /* Acquire tbclk for Time Base EHRPWM submodule */
> pc->tbclk = devm_clk_get(&pdev->dev, "tbclk");
> - if (IS_ERR(pc->tbclk)) {
> - dev_err(&pdev->dev, "Failed to get tbclk\n");
> - return PTR_ERR(pc->tbclk);
> - }
> + if (IS_ERR(pc->tbclk))
> + return dev_err_probe(&pdev->dev, PTR_ERR(pc->tbclk), "Failed to
> get tbclk\n");
>
> ret = clk_prepare(pc->tbclk);
> if (ret < 0) {
>
