linux-kernel - [PATCH -next] tty: serial: imx: fix link error with CONFIG_SERIAL_CORE

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Message-ID: <20200918091305.3822598-1-yangyingliang@huawei.com>
Date:   Fri, 18 Sep 2020 17:13:05 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <gregkh@...uxfoundation.org>
Subject: [PATCH -next] tty: serial: imx: fix link error with CONFIG_SERIAL_CORE_CONSOLE=n

Fix the link error by selecting SERIAL_CORE_CONSOLE.

aarch64-linux-gnu-ld: drivers/tty/serial/imx_earlycon.o: in function `imx_uart_console_early_write':
imx_earlycon.c:(.text+0x84): undefined reference to `uart_console_write'

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/tty/serial/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 9631ccf43378..1044fc387691 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -521,6 +521,7 @@ config SERIAL_IMX_EARLYCON
 	depends on ARCH_MXC || COMPILE_TEST
 	depends on OF
 	select SERIAL_EARLYCON
+	select SERIAL_CORE_CONSOLE
 	help
 	  If you have enabled the earlycon on the Freescale IMX
 	  CPU you can make it the earlycon by answering Y to this option.
-- 
2.25.1