linux-kernel - [PATCH 31/41] ARM: ux500: Call appropriate clock initialisation based on DT or !DT booting

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Message-Id: <1379506478-16625-32-git-send-email-lee.jones@linaro.org>
Date:	Wed, 18 Sep 2013 13:14:28 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	arnd@...db.de, linus.walleij@...aro.org,
	Lee Jones <lee.jones@...aro.org>
Subject: [PATCH 31/41] ARM: ux500: Call appropriate clock initialisation based on DT or !DT booting

The ux500 platform will soon be converted to Device Tree only. When that
happens the old clock initialisation will be ripped out. In the meantime
however, we have to make a decision and call the appropriate
initialisation code manually.

Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 arch/arm/mach-ux500/cpu.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/arch/arm/mach-ux500/cpu.c b/arch/arm/mach-ux500/cpu.c
index e6fb023..3c211d2 100644
--- a/arch/arm/mach-ux500/cpu.c
+++ b/arch/arm/mach-ux500/cpu.c
@@ -70,9 +70,17 @@ void __init ux500_init_irq(void)
 	if (cpu_is_u8500_family()) {
 		prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1);
 		ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1);
-		u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE,
-			       U8500_CLKRST3_BASE, U8500_CLKRST5_BASE,
-			       U8500_CLKRST6_BASE);
+
+		if (of_have_populated_dt())
+			u8500_of_clk_init(U8500_CLKRST1_BASE,
+					  U8500_CLKRST2_BASE,
+					  U8500_CLKRST3_BASE,
+					  U8500_CLKRST5_BASE,
+					  U8500_CLKRST6_BASE);
+		else
+			u8500_clk_init(U8500_CLKRST1_BASE, U8500_CLKRST2_BASE,
+				       U8500_CLKRST3_BASE, U8500_CLKRST5_BASE,
+				       U8500_CLKRST6_BASE);
 	} else if (cpu_is_u9540()) {
 		prcmu_early_init(U8500_PRCMU_BASE, SZ_8K - 1);
 		ux500_pm_init(U8500_PRCMU_BASE, SZ_8K - 1);
-- 
1.8.1.2

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