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USB: serial: use IS_ENABLED() instead of checking for built-in or module

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The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either
built-in or as a module, use that macro instead of open coding the same.

Using the macro makes the code more readable by helping abstract away some
of the Kconfig built-in and module enable details.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Javier Martinez Canillas 2016-08-18 09:45:06 -04:00 committed by Johan Hovold
parent fa8410b355
commit 919568691d
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/serial/keyspan_pda.c
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@ -30,12 +30,12 @@
#include <linux/usb/ezusb.h>
/* make a simple define to handle if we are compiling keyspan_pda or xircom support */
#if defined(CONFIG_USB_SERIAL_KEYSPAN_PDA) || defined(CONFIG_USB_SERIAL_KEYSPAN_PDA_MODULE)
#if IS_ENABLED(CONFIG_USB_SERIAL_KEYSPAN_PDA)
#define KEYSPAN
#else
#undef KEYSPAN
#endif
#if defined(CONFIG_USB_SERIAL_XIRCOM) || defined(CONFIG_USB_SERIAL_XIRCOM_MODULE)
#if IS_ENABLED(CONFIG_USB_SERIAL_XIRCOM)
#define XIRCOM
#else
#undef XIRCOM