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path: root/drivers/soc/qcom
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Diffstat (limited to 'drivers/soc/qcom')
-rw-r--r--drivers/soc/qcom/rpmh.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
index eb0ded059d2e..03630aeb4fef 100644
--- a/drivers/soc/qcom/rpmh.c
+++ b/drivers/soc/qcom/rpmh.c
@@ -119,6 +119,7 @@ static struct cache_req *cache_rpm_request(struct rpmh_ctrlr *ctrlr,
{
struct cache_req *req;
unsigned long flags;
+ u32 old_sleep_val, old_wake_val;
spin_lock_irqsave(&ctrlr->cache_lock, flags);
req = __find_req(ctrlr, cmd->addr);
@@ -133,26 +134,27 @@ static struct cache_req *cache_rpm_request(struct rpmh_ctrlr *ctrlr,
req->addr = cmd->addr;
req->sleep_val = req->wake_val = UINT_MAX;
- INIT_LIST_HEAD(&req->list);
list_add_tail(&req->list, &ctrlr->cache);
existing:
+ old_sleep_val = req->sleep_val;
+ old_wake_val = req->wake_val;
+
switch (state) {
case RPMH_ACTIVE_ONLY_STATE:
- if (req->sleep_val != UINT_MAX)
- req->wake_val = cmd->data;
- break;
case RPMH_WAKE_ONLY_STATE:
req->wake_val = cmd->data;
break;
case RPMH_SLEEP_STATE:
req->sleep_val = cmd->data;
break;
- default:
- break;
}
- ctrlr->dirty = true;
+ ctrlr->dirty = (req->sleep_val != old_sleep_val ||
+ req->wake_val != old_wake_val) &&
+ req->sleep_val != UINT_MAX &&
+ req->wake_val != UINT_MAX;
+
unlock:
spin_unlock_irqrestore(&ctrlr->cache_lock, flags);
@@ -287,6 +289,7 @@ static void cache_batch(struct rpmh_ctrlr *ctrlr, struct batch_cache_req *req)
spin_lock_irqsave(&ctrlr->cache_lock, flags);
list_add_tail(&req->list, &ctrlr->batch_cache);
+ ctrlr->dirty = true;
spin_unlock_irqrestore(&ctrlr->cache_lock, flags);
}
@@ -323,6 +326,7 @@ static void invalidate_batch(struct rpmh_ctrlr *ctrlr)
list_for_each_entry_safe(req, tmp, &ctrlr->batch_cache, list)
kfree(req);
INIT_LIST_HEAD(&ctrlr->batch_cache);
+ ctrlr->dirty = true;
spin_unlock_irqrestore(&ctrlr->cache_lock, flags);
}
@@ -507,7 +511,6 @@ int rpmh_invalidate(const struct device *dev)
int ret;
invalidate_batch(ctrlr);
- ctrlr->dirty = true;
do {
ret = rpmh_rsc_invalidate(ctrlr_to_drv(ctrlr));