[PATCH] leds/leds-pwm: Display error code on request_pwm failure

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This can be useful in debugging devicetrees.

Signed-off-by: Ben Gamari <bgamari.foss@xxxxxxxxx>
---
 drivers/leds/leds-pwm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index b31d8e9..707a82a 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -165,8 +165,8 @@ static int led_pwm_probe(struct platform_device *pdev)
 			if (IS_ERR(led_dat->pwm)) {
 				ret = PTR_ERR(led_dat->pwm);
 				dev_err(&pdev->dev,
-					"unable to request PWM for %s\n",
-					cur_led->name);
+					"unable to request PWM for %s: error=%d\n",
+					cur_led->name, ret);
 				goto err;
 			}
 
-- 
1.8.3.2

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