[PATCH] pwm: spear: fix check on pwmchip_add() return value

[Beniamino Galvani]

pwmchip_add() returns zero on success and a negative value on error,
so the condition of the check must be inverted.

Signed-off-by: Beniamino Galvani <b.galvani@xxxxxxxxx>
---
 drivers/pwm/pwm-spear.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/pwm-spear.c b/drivers/pwm/pwm-spear.c
index cb2d4f0..945556d 100644
--- a/drivers/pwm/pwm-spear.c
+++ b/drivers/pwm/pwm-spear.c
@@ -222,7 +222,7 @@ static int spear_pwm_probe(struct platform_device *pdev)
 	}
 
 	ret = pwmchip_add(&pc->chip);
-	if (!ret) {
+	if (ret < 0) {
 		clk_unprepare(pc->clk);
 		dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret);
 	}
-- 
1.7.10.4

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