linux-kernel - [PATCH 4.3 033/125] MIPS: ath79: Fix the DDR control initialization on ar71xx and ar934x

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Date:	Mon,  7 Dec 2015 10:00:46 -0500
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Alban Bedel <albeu@...e.fr>,
	Felix Fietkau <nbd@...nwrt.org>,
	Qais Yousef <qais.yousef@...tec.com>,
	Andrew Bresticker <abrestic@...omium.org>,
	linux-mips@...ux-mips.org, Ralf Baechle <ralf@...ux-mips.org>
Subject: [PATCH 4.3 033/125] MIPS: ath79: Fix the DDR control initialization on ar71xx and ar934x

4.3-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alban Bedel <albeu@...e.fr>

commit 5011a7e808c9fec643d752c5a495a48f27268a48 upstream.

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: Felix Fietkau <nbd@...nwrt.org>
Cc: Qais Yousef <qais.yousef@...tec.com>
Cc: Andrew Bresticker <abrestic@...omium.org>
Cc: linux-mips@...ux-mips.org
Cc: linux-kernel@...r.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11500/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/mips/ath79/setup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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_detect_sys_type();
 	ath79_ddr_ctrl_init();
 
-	ath79_detect_sys_type();
 	if (mips_machtype != ATH79_MACH_GENERIC_OF)
 		detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);
 


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