linux-kernel - [PATCH 3.2 155/164] MIPS: Loongson: Make platform serial setup always built-in.

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Date:	Fri, 12 Dec 2014 06:14:25 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org, "Aaro Koskinen" <aaro.koskinen@....fi>,
	"Markos Chandras" <Markos.Chandras@...tec.com>,
	"Huacai Chen" <chenhc@...ote.com>, linux-mips@...ux-mips.org,
	"Ralf Baechle" <ralf@...ux-mips.org>
Subject: [PATCH 3.2 155/164] MIPS: Loongson: Make platform serial setup
 always built-in.

3.2.65-rc1 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: Ben Hutchings <ben@...adent.org.uk>
---
 arch/mips/loongson/common/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/mips/loongson/common/Makefile
+++ b/arch/mips/loongson/common/Makefile
@@ -10,7 +10,8 @@ obj-$(CONFIG_GENERIC_GPIO) += gpio.o
 # Serial port support
 #
 obj-$(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
 

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