linux-kernel - [PATCH 3.16.y-ckt 109/168] MIPS: Loongson: Make platform serial setup always built-in.

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Message-Id: <1418653622-21105-110-git-send-email-luis.henriques@canonical.com>
Date:	Mon, 15 Dec 2014 14:26:03 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Aaro Koskinen <aaro.koskinen@....fi>, linux-mips@...ux-mips.org,
	Huacai Chen <chenhc@...ote.com>,
	Markos Chandras <Markos.Chandras@...tec.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 109/168] MIPS: Loongson: Make platform serial setup always built-in.

3.16.7-ckt3 -stable review patch.  If anyone has any objections, please let me know.

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

From: Aaro Koskinen <aaro.koskinen@....fi>

commit 26927f76499849e095714452b8a4e09350f6a3b9 upstream.

If SERIAL_8250 is compiled as a module, the platform specific setup
for Loongson will be a module too, and it will not work very well.
At least on Loongson 3 it will trigger a build failure,
since loongson_sysconf is not exported to modules.

Fix by making the platform specific serial code always built-in.

Signed-off-by: Aaro Koskinen <aaro.koskinen@....fi>
Reported-by: Ralf Baechle <ralf@...ux-mips.org>
Cc: linux-mips@...ux-mips.org
Cc: Huacai Chen <chenhc@...ote.com>
Cc: Markos Chandras <Markos.Chandras@...tec.com>
Patchwork: https://patchwork.linux-mips.org/patch/8533/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 arch/mips/loongson/common/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/mips/loongson/common/Makefile b/arch/mips/loongson/common/Makefile
index 0bb9cc9dc621..d87e03330b29 100644
--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -11,7 +11,8 @@ obj-$(CONFIG_PCI) += pci.o
 # Serial port support
 #
 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
-obj-$(CONFIG_SERIAL_8250) += serial.o
+loongson-serial-$(CONFIG_SERIAL_8250) := serial.o
+obj-y += $(loongson-serial-m) $(loongson-serial-y)
 obj-$(CONFIG_LOONGSON_UART_BASE) += uart_base.o
 obj-$(CONFIG_LOONGSON_MC146818) += rtc.o
 
-- 
2.1.3

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