Commit 44db5363 authored by Grygorii Strashko's avatar Grygorii Strashko Committed by Thierry Reding
Browse files

pwm: tiehrpwm: Handle deferred probe with dev_err_probe() 



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: default avatarGrygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: default avatarVignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent e3aa45f2

drivers/pwm/pwm-tiehrpwm.c

+4 −8
Original line number Diff line number Diff line
@@ -436,10 +436,8 @@ 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) {
@@ -460,10 +458,8 @@ 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) {