ARM: i.MX: Use CLOCKSOURCE_OF_DECLARE() for DT targets

This patch uses clocksource_of_init() call for DT targets.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

arch/arm/mach-imx/clk-imx1.c

@@ -113,7 +113,5 @@ static void __init mx1_clocks_init_dt(struct device_node *np)
 	clk_data.clks = clk;
 	clk_data.clk_num = ARRAY_SIZE(clk);
 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx1-gpt"));
 }
 CLK_OF_DECLARE(imx1_ccm, "fsl,imx1-ccm", mx1_clocks_init_dt);

arch/arm/mach-imx/clk-imx21.c

@@ -167,7 +167,5 @@ static void __init mx21_clocks_init_dt(struct device_node *np)
 	clk_data.clks = clk;
 	clk_data.clk_num = ARRAY_SIZE(clk);
 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx1-gpt"));
 }
 CLK_OF_DECLARE(imx27_ccm, "fsl,imx21-ccm", mx21_clocks_init_dt);

arch/arm/mach-imx/clk-imx25.c

@@ -335,7 +335,5 @@ static void __init mx25_clocks_init_dt(struct device_node *np)
 	clk_data.clks = clk;
 	clk_data.clk_num = ARRAY_SIZE(clk);
 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx25-gpt"));
 }
 CLK_OF_DECLARE(imx25_ccm, "fsl,imx25-ccm", mx25_clocks_init_dt);

arch/arm/mach-imx/clk-imx27.c

@@ -254,7 +254,5 @@ static void __init mx27_clocks_init_dt(struct device_node *np)
 	clk_data.clks = clk;
 	clk_data.clk_num = ARRAY_SIZE(clk);
 	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx1-gpt"));
 }
 CLK_OF_DECLARE(imx27_ccm, "fsl,imx27-ccm", mx27_clocks_init_dt);

arch/arm/mach-imx/clk-imx51-imx53.c

@@ -370,8 +370,6 @@ static void __init mx50_clocks_init(struct device_node *np)
 
 	r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
 	clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx50-gpt"));
 }
 CLK_OF_DECLARE(imx50_ccm, "fsl,imx50-ccm", mx50_clocks_init);
 
@@ -443,9 +441,6 @@ static void __init mx51_clocks_init(struct device_node *np)
 	clk_set_rate(clk[IMX5_CLK_ESDHC_A_PODF], 166250000);
 	clk_set_rate(clk[IMX5_CLK_ESDHC_B_PODF], 166250000);
 
-	/* System timer */
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx51-gpt"));
-
 	clk_prepare_enable(clk[IMX5_CLK_IIM_GATE]);
 	imx_print_silicon_rev("i.MX51", mx51_revision());
 	clk_disable_unprepare(clk[IMX5_CLK_IIM_GATE]);
@@ -562,7 +557,5 @@ static void __init mx53_clocks_init(struct device_node *np)
 
 	r = clk_round_rate(clk[IMX5_CLK_USBOH3_PER_GATE], 54000000);
 	clk_set_rate(clk[IMX5_CLK_USBOH3_PER_GATE], r);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx53-gpt"));
 }
 CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);

arch/arm/mach-imx/clk-imx6q.c

@@ -455,7 +455,5 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
 
 	/* Set initial power mode */
 	imx6q_set_lpm(WAIT_CLOCKED);
-
-	mxc_timer_init_dt(of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"));
 }
 CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init);

arch/arm/mach-imx/clk-imx6sl.c

@@ -377,8 +377,5 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node)
 
 	/* Set initial power mode */
 	imx6q_set_lpm(WAIT_CLOCKED);
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,imx6sl-gpt");
-	mxc_timer_init_dt(np);
 }
 CLK_OF_DECLARE(imx6sl, "fsl,imx6sl-ccm", imx6sl_clocks_init);

arch/arm/mach-imx/clk-imx6sx.c

@@ -515,8 +515,5 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
 
 	/* Set initial power mode */
 	imx6q_set_lpm(WAIT_CLOCKED);
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,imx6sx-gpt");
-	mxc_timer_init_dt(np);
 }
 CLK_OF_DECLARE(imx6sx, "fsl,imx6sx-ccm", imx6sx_clocks_init);

arch/arm/mach-imx/common.h

@@ -49,7 +49,6 @@ void imx31_soc_init(void);
 void imx35_soc_init(void);
 void epit_timer_init(void __iomem *base, int irq);
 void mxc_timer_init(void __iomem *, int);
-void mxc_timer_init_dt(struct device_node *);
 int mx1_clocks_init(unsigned long fref);
 int mx21_clocks_init(unsigned long lref, unsigned long fref);
 int mx25_clocks_init(void);

arch/arm/mach-imx/time.c

@@ -337,11 +337,14 @@ void __init mxc_timer_init(void __iomem *base, int irq)
 	_mxc_timer_init(irq, clk_per, clk_ipg);
 }
 
-void __init mxc_timer_init_dt(struct device_node *np)
+static void __init mxc_timer_init_dt(struct device_node *np)
 {
 	struct clk *clk_per, *clk_ipg;
 	int irq;
 
+	if (timer_base)
+		return;
+
 	timer_base = of_iomap(np, 0);
 	WARN_ON(!timer_base);
 	irq = irq_of_parse_and_map(np, 0);
@@ -351,3 +354,11 @@ void __init mxc_timer_init_dt(struct device_node *np)
 
 	_mxc_timer_init(irq, clk_per, clk_ipg);
 }
+CLOCKSOURCE_OF_DECLARE(mx1_timer, "fsl,imx1-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx25_timer, "fsl,imx25-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx50_timer, "fsl,imx50-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx51_timer, "fsl,imx51-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx53_timer, "fsl,imx53-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx6q_timer, "fsl,imx6q-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx6sl_timer, "fsl,imx6sl-gpt", mxc_timer_init_dt);
+CLOCKSOURCE_OF_DECLARE(mx6sx_timer, "fsl,imx6sx-gpt", mxc_timer_init_dt);