diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ipa/ipa_clock.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/net/ipa/ipa_clock.c b/drivers/net/ipa/ipa_clock.c index 398f2e47043d..b703866f2e20 100644 --- a/drivers/net/ipa/ipa_clock.c +++ b/drivers/net/ipa/ipa_clock.c @@ -4,7 +4,7 @@ * Copyright (C) 2018-2020 Linaro Ltd. */ -#include <linux/atomic.h> +#include <linux/refcount.h> #include <linux/mutex.h> #include <linux/clk.h> #include <linux/device.h> @@ -51,7 +51,7 @@ * @config_path: Configuration space interconnect */ struct ipa_clock { - atomic_t count; + refcount_t count; struct mutex mutex; /* protects clock enable/disable */ struct clk *core; struct icc_path *memory_path; @@ -195,7 +195,7 @@ static void ipa_clock_disable(struct ipa *ipa) */ bool ipa_clock_get_additional(struct ipa *ipa) { - return !!atomic_inc_not_zero(&ipa->clock->count); + return refcount_inc_not_zero(&ipa->clock->count); } /* Get an IPA clock reference. If the reference count is non-zero, it is @@ -231,7 +231,7 @@ void ipa_clock_get(struct ipa *ipa) ipa_endpoint_resume(ipa); - atomic_inc(&clock->count); + refcount_set(&clock->count, 1); out_mutex_unlock: mutex_unlock(&clock->mutex); @@ -246,7 +246,7 @@ void ipa_clock_put(struct ipa *ipa) struct ipa_clock *clock = ipa->clock; /* If this is not the last reference there's nothing more to do */ - if (!atomic_dec_and_mutex_lock(&clock->count, &clock->mutex)) + if (!refcount_dec_and_mutex_lock(&clock->count, &clock->mutex)) return; ipa_endpoint_suspend(ipa); @@ -294,7 +294,7 @@ struct ipa_clock *ipa_clock_init(struct device *dev) goto err_kfree; mutex_init(&clock->mutex); - atomic_set(&clock->count, 0); + refcount_set(&clock->count, 0); return clock; @@ -311,7 +311,7 @@ void ipa_clock_exit(struct ipa_clock *clock) { struct clk *clk = clock->core; - WARN_ON(atomic_read(&clock->count) != 0); + WARN_ON(refcount_read(&clock->count) != 0); mutex_destroy(&clock->mutex); ipa_interconnect_exit(clock); kfree(clock); |