Currently MIPS allnoconfig with CONFIG_ATH25=y fails to link due to
missing support for early_serial_setup():
LD vmlinux
arch/mips/ath25/devices.o: In function ath25_serial_setup':
devices.c:(.init.text+0x68): undefined reference to 'early_serial_setup'
Rather than adding dependencies to the platform to force inclusion of
SERIAL_8250_CONSOLE together with it's dependencies like TTY, HAS_IOMEM,
etc, just make ath25_serial_setup() a no-op when the dependency is not
selected in the kernel config.
Signed-off-by: Matt Redfearn <[email protected]>
---
arch/mips/ath25/devices.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/mips/ath25/devices.c b/arch/mips/ath25/devices.c
index e1156347da53..301a9028273c 100644
--- a/arch/mips/ath25/devices.c
+++ b/arch/mips/ath25/devices.c
@@ -73,6 +73,7 @@ const char *get_system_type(void)
void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
{
+#ifdef CONFIG_SERIAL_8250_CONSOLE
struct uart_port s;
memset(&s, 0, sizeof(s));
@@ -85,6 +86,7 @@ void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
s.uartclk = uartclk;
early_serial_setup(&s);
+#endif /* CONFIG_SERIAL_8250_CONSOLE */
}
int __init ath25_add_wmac(int nr, u32 base, int irq)
--
2.7.4
From 1584088040363154322@xxx Wed Nov 15 00:01:19 +0000 2017
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