linux-kernel - [PATCH] serial: liteuart: drop obsolete dependency on COMPILE

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Date:   Fri, 25 Nov 2022 14:27:56 +0100
From:   Jean Delvare <jdelvare@...e.de>
To:     linux-serial@...r.kernel.org
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Karol Gugala <kgugala@...micro.com>,
        Mateusz Holenko <mholenko@...micro.com>,
        Gabriel Somlo <gsomlo@...il.com>,
        Joel Stanley <joel@....id.au>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH] serial: liteuart: drop obsolete dependency on COMPILE_TEST

Since commit 0166dc11be91 ("of: make CONFIG_OF user selectable"), it
is possible to test-build any driver which depends on OF on any
architecture by explicitly selecting OF. Therefore depending on
COMPILE_TEST as an alternative is no longer needed.

It is actually better to always build such drivers with OF enabled,
so that the test builds are closer to how each driver will actually be
built on its intended target. Building them without OF may not test
much as the compiler will optimize out potentially large parts of the
code. In the worst case, this could even pop false positive warnings.
Dropping COMPILE_TEST here improves the quality of our testing and
avoids wasting time on non-existent issues.

Signed-off-by: Jean Delvare <jdelvare@...e.de>
Cc: Karol Gugala <kgugala@...micro.com>
Cc: Mateusz Holenko <mholenko@...micro.com>
Cc: Gabriel Somlo <gsomlo@...il.com>
Cc: Joel Stanley <joel@....id.au>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/tty/serial/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-6.0.orig/drivers/tty/serial/Kconfig
+++ linux-6.0/drivers/tty/serial/Kconfig
@@ -1519,7 +1519,7 @@ config SERIAL_MILBEAUT_USIO_CONSOLE
 config SERIAL_LITEUART
 	tristate "LiteUART serial port support"
 	depends on HAS_IOMEM
-	depends on OF || COMPILE_TEST
+	depends on OF
 	depends on LITEX || COMPILE_TEST
 	select SERIAL_CORE
 	help

-- 
Jean Delvare
SUSE L3 Support