linux-kernel - [PATCH 3/7] net: rfkill: gpio: use clk_prepare_enable/clk_disable

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Date:	Tue, 15 Apr 2014 14:41:37 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Johannes Berg <johannes@...solutions.net>,
	"John W. Linville" <linville@...driver.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Chen-Yu Tsai <wens@...e.org>, Arnd Bergmann <arnd@...db.de>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Alexandre Courbot <gnurou@...il.com>,
	Stephen Warren <swarren@...dotorg.org>,
	linux-gpio@...r.kernel.org, linux-wireless@...r.kernel.org,
	netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com
Subject: [PATCH 3/7] net: rfkill: gpio: use clk_prepare_enable/clk_disable_unprepare

rfkill-gpio calls clk_enable() without first calling clk_prepare(),
resulting in a warning and no effect. Switch to clk_prepare_enable()
and clk_disable_unprepare.

Signed-off-by: Chen-Yu Tsai <wens@...e.org>
---
 net/rfkill/rfkill-gpio.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/rfkill/rfkill-gpio.c b/net/rfkill/rfkill-gpio.c
index 9c4a5eb..29ff07c 100644
--- a/net/rfkill/rfkill-gpio.c
+++ b/net/rfkill/rfkill-gpio.c
@@ -49,10 +49,10 @@ static int rfkill_gpio_set_power(void *data, bool blocked)
 		gpiod_set_value(rfkill->shutdown_gpio, 0);
 		gpiod_set_value(rfkill->reset_gpio, 0);
 		if (!IS_ERR(rfkill->clk) && rfkill->clk_enabled)
-			clk_disable(rfkill->clk);
+			clk_disable_unprepare(rfkill->clk);
 	} else {
 		if (!IS_ERR(rfkill->clk) && !rfkill->clk_enabled)
-			clk_enable(rfkill->clk);
+			clk_prepare_enable(rfkill->clk);
 		gpiod_set_value(rfkill->reset_gpio, 1);
 		gpiod_set_value(rfkill->shutdown_gpio, 1);
 	}
-- 
1.9.1

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