linux-kernel - [PATCH v2 4/6] arm64: defconfig: enable support for serial port connected device

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Date:   Thu, 10 Aug 2017 10:37:26 +0800
From:   Guodong Xu <guodong.xu@...aro.org>
To:     xuwei5@...ilicon.com, catalin.marinas@....com, will.deacon@....com,
        arnd@...db.de, khilman@...libre.com, olof@...om.net,
        timur@...eaurora.org, narmstrong@...libre.com, robh@...nel.org,
        riku.voipio@...aro.org, eric@...olt.net, fanning4@...ilicon.com
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Guodong Xu <guodong.xu@...aro.org>
Subject: [PATCH v2 4/6] arm64: defconfig: enable support for serial port connected device

This patch enables these configs:

+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_SERIAL_DEV_CTRL_TTYPORT=y

As example, a bluetooth device connected to UART port can be supported by
this.

Signed-off-by: Guodong Xu <guodong.xu@...aro.org>
---
 arch/arm64/configs/defconfig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index f7081056..99f7e06 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -251,6 +251,8 @@ CONFIG_SERIAL_MSM_CONSOLE=y
 CONFIG_SERIAL_XILINX_PS_UART=y
 CONFIG_SERIAL_XILINX_PS_UART_CONSOLE=y
 CONFIG_SERIAL_MVEBU_UART=y
+CONFIG_SERIAL_DEV_BUS=y
+CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
 CONFIG_VIRTIO_CONSOLE=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_MUX=y
-- 
2.10.2