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regmap: Fixes for v4.9 

A couple of small build fixes here, nothing major.  The missing include
 is triggered in some configurations and the renaming of ret is defensive
 for the benefit of some drivers people are in the process of mainlining.
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Merge tag 'regmap-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap fixes from Mark Brown:
 "A couple of small build fixes here, nothing major.

  The missing include is triggered in some configurations and the
  renaming of ret is defensive for the benefit of some drivers people
  are in the process of mainlining"

* tag 'regmap-fix-v4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
  regmap: Rename ret variable in regmap_read_poll_timeout
  regmap: include <linux/delay.h> from include/linux/regmap.h
This commit is contained in:
Linus Torvalds 2016-10-31 10:12:35 -07:00
parent 6eb3c60468 74e3368de8
commit 80a306d6fa
1 changed files with 6 additions and 5 deletions
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11
include/linux/regmap.h
View File

@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/rbtree.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/bug.h>
#include <linux/lockdep.h>
@ -116,22 +117,22 @@ struct reg_sequence {
#define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \
({ \
ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \
int ret; \
int pollret; \
might_sleep_if(sleep_us); \
for (;;) { \
ret = regmap_read((map), (addr), &(val)); \
if (ret) \
pollret = regmap_read((map), (addr), &(val)); \
if (pollret) \
break; \
if (cond) \
break; \
if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
ret = regmap_read((map), (addr), &(val)); \
pollret = regmap_read((map), (addr), &(val)); \
break; \
} \
if (sleep_us) \
usleep_range((sleep_us >> 2) + 1, sleep_us); \
} \
ret ?: ((cond) ? 0 : -ETIMEDOUT); \
pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
})
#ifdef CONFIG_REGMAP