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From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 15 Nov 2016 16:08:29 +0100
Subject: [PATCH] ath9k: fix ath9k_hw_gpio_get() to return 0 or 1 on success

Commit b2d70d4944c1 ("ath9k: make GPIO API to support both of WMAC and
SOC") refactored ath9k_hw_gpio_get() to support both WMAC and SOC GPIOs,
changing the return on success from 1 to BIT(gpio). This broke some callers
like ath_is_rfkill_set().

Instead of fixing all callers, change ath9k_hw_gpio_get() back to only
return 0 or 1.

Fixes: b2d70d4944c1 ("ath9k: make GPIO API to support both of WMAC and SOC")
Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
---
 drivers/net/wireless/ath/ath9k/hw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -2813,7 +2813,7 @@ u32 ath9k_hw_gpio_get(struct ath_hw *ah,
 		WARN_ON(1);
 	}
 
-	return val;
+	return !!val;
 }
 EXPORT_SYMBOL(ath9k_hw_gpio_get);