linux-kernel - [PATCH v2 1/2] serial: 8250: SERIAL_8250_FSL should not default to y when compile-testing

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Date:   Fri, 24 Sep 2021 09:12:30 +0200
From:   Geert Uytterhoeven <geert+renesas@...der.be>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Johan Hovold <johan@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>, Li Yang <leoyang.li@....com>,
        Scott Wood <oss@...error.net>
Cc:     linux-serial@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH v2 1/2] serial: 8250: SERIAL_8250_FSL should not default to y when compile-testing

Commit b1442c55ce8977aa ("serial: 8250: extend compile-test coverage")
added compile-test support to the Freescale 16550 driver.  However, as
SERIAL_8250_FSL is an invisible symbol, merely enabling compile-testing
now enables this driver.

Fix this by dropping the COMPILE_TEST default again, but making the
SERIAL_8250_FSL symbol visible instead.

Fixes: b1442c55ce8977aa ("serial: 8250: extend compile-test coverage")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
v2:
  - Split in two parts.
---
 drivers/tty/serial/8250/Kconfig | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig
index 808268edd2e82a45..0af96f3adab517f6 100644
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -361,9 +361,12 @@ config SERIAL_8250_BCM2835AUX
 	  If unsure, say N.
 
 config SERIAL_8250_FSL
-	bool
+	bool "Freescale 16550-style UART support (8250 based driver)"
 	depends on SERIAL_8250_CONSOLE
-	default PPC || ARM || ARM64 || COMPILE_TEST
+	default PPC || ARM || ARM64
+	help
+	  Selecting this option will add support for the 16550-style serial
+	  port hardware found on Freescale SoCs.
 
 config SERIAL_8250_DW
 	tristate "Support for Synopsys DesignWare 8250 quirks"
-- 
2.25.1