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Diffstat (limited to 'include/linux/regmap.h')
-rw-r--r--include/linux/regmap.h41
1 files changed, 26 insertions, 15 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 93a4663d7acb..15eddc1353ba 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -120,23 +120,26 @@ 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 pollret; \
- might_sleep_if(sleep_us); \
+ u64 __timeout_us = (timeout_us); \
+ unsigned long __sleep_us = (sleep_us); \
+ ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
+ int __ret; \
+ might_sleep_if(__sleep_us); \
for (;;) { \
- pollret = regmap_read((map), (addr), &(val)); \
- if (pollret) \
+ __ret = regmap_read((map), (addr), &(val)); \
+ if (__ret) \
break; \
if (cond) \
break; \
- if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
- pollret = regmap_read((map), (addr), &(val)); \
+ if ((__timeout_us) && \
+ ktime_compare(ktime_get(), __timeout) > 0) { \
+ __ret = regmap_read((map), (addr), &(val)); \
break; \
} \
- if (sleep_us) \
- usleep_range((sleep_us >> 2) + 1, sleep_us); \
+ if (__sleep_us) \
+ usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
} \
- pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
+ __ret ?: ((cond) ? 0 : -ETIMEDOUT); \
})
/**
@@ -159,21 +162,23 @@ struct reg_sequence {
*/
#define regmap_field_read_poll_timeout(field, val, cond, sleep_us, timeout_us) \
({ \
- ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \
+ u64 __timeout_us = (timeout_us); \
+ unsigned long __sleep_us = (sleep_us); \
+ ktime_t timeout = ktime_add_us(ktime_get(), __timeout_us); \
int pollret; \
- might_sleep_if(sleep_us); \
+ might_sleep_if(__sleep_us); \
for (;;) { \
pollret = regmap_field_read((field), &(val)); \
if (pollret) \
break; \
if (cond) \
break; \
- if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
+ if (__timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
pollret = regmap_field_read((field), &(val)); \
break; \
} \
- if (sleep_us) \
- usleep_range((sleep_us >> 2) + 1, sleep_us); \
+ if (__sleep_us) \
+ usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
} \
pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
})
@@ -312,6 +317,9 @@ typedef void (*regmap_unlock)(void *);
*
* @ranges: Array of configuration entries for virtual address ranges.
* @num_ranges: Number of range configuration entries.
+ * @hwlock_id: Specify the hardware spinlock id.
+ * @hwlock_mode: The hardware spinlock mode, should be HWLOCK_IRQSTATE,
+ * HWLOCK_IRQ or 0.
*/
struct regmap_config {
const char *name;
@@ -356,6 +364,9 @@ struct regmap_config {
const struct regmap_range_cfg *ranges;
unsigned int num_ranges;
+
+ unsigned int hwlock_id;
+ unsigned int hwlock_mode;
};
/**