arm64: Fix duplicate definition of early_console

When compiling with allmodconfig. early_console is already defined as an
extern global pointer. Need let it point to the object which we intend
to (like arm32 done).

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/arch/arm64/kernel/early_printk.c b/arch/arm64/kernel/early_printk.c
index ac974f4..fbb6e18 100644 (file)
--- a/arch/arm64/kernel/early_printk.c
+++ b/arch/arm64/kernel/early_printk.c
@@ -95,7 +95,7 @@ static void early_write(struct console *con, const char *s, unsigned n)
        }
 }
 
-static struct console early_console = {
+static struct console early_console_dev = {
        .name =         "earlycon",
        .write =        early_write,
        .flags =        CON_PRINTBUFFER | CON_BOOT,
@@ -145,7 +145,8 @@ static int __init setup_early_printk(char *buf)
                early_base = early_io_map(paddr, EARLYCON_IOBASE);
 
        printch = match->printch;
-       register_console(&early_console);
+       early_console = &early_console_dev;
+       register_console(&early_console_dev);
 
        return 0;
 }