linux-kernel - [PATCH v2 06/18] clk: imx: clk-gate2: Switch to clk

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Date:   Thu, 2 May 2019 08:06:45 +0000
From:   Abel Vesa <abel.vesa@....com>
To:     Mike Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Fabio Estevam <fabio.estevam@....com>,
        Sascha Hauer <kernel@...gutronix.de>
CC:     dl-linux-imx <linux-imx@....com>,
        Daniel Baluta <daniel.baluta@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Abel Vesa <abel.vesa@....com>
Subject: [PATCH v2 06/18] clk: imx: clk-gate2: Switch to clk_hw based API

Switch the clk_register_gate2 function to clk_hw based API, rename
accordingly and add a macro for clk based legacy. This allows us to
move closer to a clear split between consumer and provider clk APIs.

Signed-off-by: Abel Vesa <abel.vesa@....com>
---
 drivers/clk/imx/clk-gate2.c | 14 +++++++++-----
 drivers/clk/imx/clk.h       |  7 ++++++-
 2 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/clk/imx/clk-gate2.c b/drivers/clk/imx/clk-gate2.c
index 60fc9d7..14551fd3 100644
--- a/drivers/clk/imx/clk-gate2.c
+++ b/drivers/clk/imx/clk-gate2.c
@@ -125,15 +125,16 @@ static const struct clk_ops clk_gate2_ops = {
 	.is_enabled = clk_gate2_is_enabled,
 };
 
-struct clk *clk_register_gate2(struct device *dev, const char *name,
+struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		void __iomem *reg, u8 bit_idx, u8 cgr_val,
 		u8 clk_gate2_flags, spinlock_t *lock,
 		unsigned int *share_count)
 {
 	struct clk_gate2 *gate;
-	struct clk *clk;
+	struct clk_hw *hw;
 	struct clk_init_data init;
+	int ret;
 
 	gate = kzalloc(sizeof(struct clk_gate2), GFP_KERNEL);
 	if (!gate)
@@ -154,10 +155,13 @@ struct clk *clk_register_gate2(struct device *dev, const char *name,
 	init.num_parents = parent_name ? 1 : 0;
 
 	gate->hw.init = &init;
+	hw = &gate->hw;
 
-	clk = clk_register(dev, &gate->hw);
-	if (IS_ERR(clk))
+	ret = clk_hw_register(NULL, hw);
+	if (ret) {
 		kfree(gate);
+		return ERR_PTR(ret);
+	}
 
-	return clk;
+	return hw;
 }
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 996dcc6..c819ce15 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -58,6 +58,11 @@ struct imx_pll14xx_clk {
 #define imx_clk_cpu(name, parent_name, div, mux, pll, step) \
 	imx_clk_hw_cpu(name, parent_name, div, mux, pll, step)->clk
 
+#define clk_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
+				cgr_val, clk_gate_flags, lock, share_count) \
+	clk_hw_register_gate2(dev, name, parent_name, flags, reg, bit_idx, \
+				cgr_val, clk_gate_flags, lock, share_count)->clk
+
 struct clk *imx_clk_pll14xx(const char *name, const char *parent_name,
 		 void __iomem *base, const struct imx_pll14xx_clk *pll_clk);
 
@@ -96,7 +101,7 @@ struct clk *imx_clk_pllv3(enum imx_pllv3_type type, const char *name,
 struct clk_hw *imx_clk_pllv4(const char *name, const char *parent_name,
 			     void __iomem *base);
 
-struct clk *clk_register_gate2(struct device *dev, const char *name,
+struct clk_hw *clk_hw_register_gate2(struct device *dev, const char *name,
 		const char *parent_name, unsigned long flags,
 		void __iomem *reg, u8 bit_idx, u8 cgr_val,
 		u8 clk_gate_flags, spinlock_t *lock,
-- 
2.7.4