linux/drivers/hid/intel-ish-hid/ipc/utils.h
Even Xu fa39baa970 HID: intel-ish-hid: ipc: remove unused macro
The macro timed_wait_for() in utils.h isn't used in current ipc
driver, so remove it for avoiding confusion.

Signed-off-by: Even Xu <even.xu@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2016-11-16 11:42:38 +01:00

43 lines
1.2 KiB
C

/*
* Utility macros of ISH
*
* Copyright (c) 2014-2016, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef UTILS__H
#define UTILS__H
#define WAIT_FOR_SEND_SLICE (HZ / 10)
#define WAIT_FOR_CONNECT_SLICE (HZ / 10)
/*
* Waits for specified event when a thread that triggers event
* can't signal with timeout (use whenever we may hang)
*/
#define timed_wait_for_timeout(timeinc, condition, timeout) \
do { \
int t = timeout; \
do { \
unsigned long j; \
int done = 0; \
\
for (j = jiffies, done = 0; !done; ) { \
schedule_timeout(timeinc); \
if (time_is_before_eq_jiffies(j + timeinc)) \
done = 1; \
} \
t -= timeinc; \
if (t <= 0) \
break; \
} while (!(condition)); \
} while (0)
#endif /* UTILS__H */