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Staging: speakup: Add helper macro for spk_synth boilerplate

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For simple modules that contain a single spk_synth without
any additional setup code then ends up being a block of
duplicated boilerplate. This patch adds a new macro,
module_spk_synth(), which replaces the
module_init()/module_exit() registrations with template
functions.

Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vaishali Thakkar 2015-03-18 23:13:04 +05:30 committed by Greg Kroah-Hartman
parent f6b43c2e85
commit c950a892cc
1 changed files with 11 additions and 0 deletions
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11
drivers/staging/speakup/spk_types.h
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@ -16,6 +16,7 @@
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <linux/io.h> /* for inb_p, outb_p, inb, outb, etc... */
#include <linux/device.h>
enum var_type_t {
VAR_NUM = 0,
@ -179,6 +180,16 @@ struct spk_synth {
struct attribute_group attributes;
};
/**
* module_spk_synth() - Helper macro for registering a speakup driver
* @__spk_synth: spk_synth struct
* Helper macro for speakup drivers which do not do anything special in module
* init/exit. This eliminates a lot of boilerplate. Each module may only
* use this macro once, and calling it replaces module_init() and module_exit()
*/
#define module_spk_synth(__spk_synth) \
module_driver(__spk_synth, synth_add, synth_remove)
struct speakup_info_t {
spinlock_t spinlock;
int port_tts;