linux-kernel - [PATCH 21/27] serial: Allow compile test of GPIO consumers if !GPIOLIB

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Date:	Tue,  5 May 2015 18:32:37 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Arnd Bergmann <arnd@...db.de>
Cc:	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-serial@...r.kernel.org
Subject: [PATCH 21/27] serial: Allow compile test of GPIO consumers if !GPIOLIB

The GPIO subsystem provides dummy GPIO consumer functions if GPIOLIB is
not enabled. Hence drivers that depend on GPIOLIB, but use GPIO consumer
functionality only, can still be compiled if GPIOLIB is not enabled.

Relax the dependency on GPIOLIB if COMPILE_TEST is enabled, where
appropriate.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-serial@...r.kernel.org
---
This depends on "serial: SERIAL_IFX6X60 should depend on HAS_DMA".
Without that patch, just drop " && HAS_DMA".
---
 drivers/tty/serial/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index daee183386368149..bf6a73864ee80f1f 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1349,7 +1349,8 @@ config SERIAL_ALTERA_UART_CONSOLE
 
 config SERIAL_IFX6X60
         tristate "SPI protocol driver for Infineon 6x60 modem (EXPERIMENTAL)"
-	depends on GPIOLIB && SPI && HAS_DMA
+	depends on GPIOLIB || COMPILE_TEST
+	depends on SPI && HAS_DMA
 	help
 	  Support for the IFX6x60 modem devices on Intel MID platforms.
 
-- 
1.9.1

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