linux-kernel - [PATCH] MIPS: ath79: Fix the DDR control initialization on ar71xx and ar934x

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Date:	Tue, 17 Nov 2015 09:40:07 +0100
From:	Alban Bedel <albeu@...e.fr>
To:	linux-mips@...ux-mips.org
Cc:	Alban Bedel <albeu@...e.fr>, stable@...r.kernel.org,
	Ralf Baechle <ralf@...ux-mips.org>,
	Felix Fietkau <nbd@...nwrt.org>,
	Qais Yousef <qais.yousef@...tec.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] MIPS: ath79: Fix the DDR control initialization on ar71xx and ar934x

The DDR control initialization needs to know the SoC type, however
ath79_detect_sys_type() was called after ath79_ddr_ctrl_init().
Reverse the order to fix the DDR control initialization on ar71xx and
ar934x.

Signed-off-by: Alban Bedel <albeu@...e.fr>
CC: stable@...r.kernel.org # v4.2+
---
 arch/mips/ath79/setup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 1ba2120..9a00137 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -216,9 +216,9 @@ void __init plat_mem_setup(void)
 					   AR71XX_RESET_SIZE);
 	ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
 					 AR71XX_PLL_SIZE);
-	ath79_ddr_ctrl_init();
-
 	ath79_detect_sys_type();
+	ath79_ddr_ctrl_init();
+
 	if (mips_machtype != ATH79_MACH_GENERIC_OF)
 		detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
 
-- 
2.0.0

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