linux-kernel - [RFC 14/17] clk: samsung: clkout: samsung: Switch to new clock controller API

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Date:	Tue, 16 Aug 2016 15:35:11 +0200
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Lee Jones <lee@...nel.org>, Eric Anholt <eric@...olt.net>,
	Florian Fainelli <f.fainelli@...il.com>,
	Ray Jui <rjui@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	bcm-kernel-feedback-list@...adcom.com,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Kukjin Kim <kgene@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Mark Brown <broonie@...nel.org>, linux-clk@...r.kernel.org,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org, linux-i2c@...r.kernel.org,
	alsa-devel@...a-project.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	Javier Martinez Canillas <javier@....samsung.com>,
	a.hajda@...sung.com,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Subject: [RFC 14/17] clk: samsung: clkout: samsung: Switch to new clock
 controller API

Allocate a clock controller and use new clk_register_with_ctrl() API.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 drivers/clk/samsung/clk-exynos-clkout.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c
index 96fab6cfb202..9c57a623e741 100644
--- a/drivers/clk/samsung/clk-exynos-clkout.c
+++ b/drivers/clk/samsung/clk-exynos-clkout.c
@@ -26,6 +26,7 @@
 #define EXYNOS5_CLKOUT_MUX_MASK		0x1f
 
 struct exynos_clkout {
+	struct clk_ctrl *clk_ctrl;
 	struct clk_gate gate;
 	struct clk_mux mux;
 	spinlock_t slock;
@@ -66,6 +67,10 @@ static void __init exynos_clkout_init(struct device_node *node, u32 mux_mask)
 	if (!clkout)
 		return;
 
+	clkout->clk_ctrl = clk_ctrl_register(NULL);
+	if (IS_ERR(clkout->clk_ctrl))
+		goto free_clkout;
+
 	spin_lock_init(&clkout->slock);
 
 	parent_count = 0;
@@ -84,7 +89,7 @@ static void __init exynos_clkout_init(struct device_node *node, u32 mux_mask)
 	}
 
 	if (!parent_count)
-		goto free_clkout;
+		goto free_ctrl;
 
 	clkout->reg = of_iomap(node, 0);
 	if (!clkout->reg)
@@ -100,7 +105,7 @@ static void __init exynos_clkout_init(struct device_node *node, u32 mux_mask)
 	clkout->mux.shift = EXYNOS_CLKOUT_MUX_SHIFT;
 	clkout->mux.lock = &clkout->slock;
 
-	clkout->clk_table[0] = clk_register_composite(NULL, "clkout",
+	clkout->clk_table[0] = clk_register_composite(NULL, clkout->clk_ctrl, "clkout",
 				parent_names, parent_count, &clkout->mux.hw,
 				&clk_mux_ops, NULL, NULL, &clkout->gate.hw,
 				&clk_gate_ops, CLK_SET_RATE_PARENT
@@ -126,6 +131,8 @@ clks_put:
 	for (i = 0; i < EXYNOS_CLKOUT_PARENTS; ++i)
 		if (!IS_ERR(parents[i]))
 			clk_put(parents[i]);
+free_ctrl:
+	clk_ctrl_unregister(clkout->clk_ctrl);
 free_clkout:
 	kfree(clkout);
 
-- 
1.9.1