pwm: loongson: Fix an error code in probe()

There is a copy and paste bug so we accidentally returned
PTR_ERR(ddata->clk) instead of "ret".

Fixes: 2b62c89 ("pwm: Add Loongson PWM controller support")
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Binbin Zhou <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>

Author: Dan Carpenter

drivers/pwm/pwm-loongson.c

@@ -211,7 +211,7 @@ static int pwm_loongson_probe(struct platform_device *pdev)
 	if (ddata->clk) {
 		ret = devm_clk_rate_exclusive_get(dev, ddata->clk);
 		if (ret)
-			return dev_err_probe(dev, PTR_ERR(ddata->clk),
+			return dev_err_probe(dev, ret,
 					     "Failed to get exclusive rate\n");
 
 		ddata->clk_rate = clk_get_rate(ddata->clk);