ath10k: use inline ce_state structure

Simplifies memory managament of ce_state.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 1a702e1..c8b7d21 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -727,7 +727,7 @@ int ath10k_ce_completed_send_next(struct ce_state *ce_state,
 void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id)
 {
        struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-       struct ce_state *ce_state = ar_pci->ce_id_to_state[ce_id];
+       struct ce_state *ce_state = &ar_pci->ce_states[ce_id];
        u32 ctrl_addr = ce_state->ctrl_addr;
        void *transfer_context;
        u32 buf;
@@ -846,7 +846,7 @@ void ath10k_ce_disable_interrupts(struct ath10k *ar)
 
        ath10k_pci_wake(ar);
        for (ce_id = 0; ce_id < ar_pci->ce_count; ce_id++) {
-               struct ce_state *ce_state = ar_pci->ce_id_to_state[ce_id];
+               struct ce_state *ce_state = &ar_pci->ce_states[ce_id];
                u32 ctrl_addr = ce_state->ctrl_addr;
 
                ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr);
@@ -1081,27 +1081,17 @@ static struct ce_state *ath10k_ce_init_state(struct ath10k *ar,
                                             const struct ce_attr *attr)
 {
        struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-       struct ce_state *ce_state = NULL;
+       struct ce_state *ce_state = &ar_pci->ce_states[ce_id];
        u32 ctrl_addr = ath10k_ce_base_address(ce_id);
 
        spin_lock_bh(&ar_pci->ce_lock);
 
-       if (!ar_pci->ce_id_to_state[ce_id]) {
-               ce_state = kzalloc(sizeof(*ce_state), GFP_ATOMIC);
-               if (ce_state == NULL) {
-                       spin_unlock_bh(&ar_pci->ce_lock);
-                       return NULL;
-               }
-
-               ar_pci->ce_id_to_state[ce_id] = ce_state;
-               ce_state->ar = ar;
-               ce_state->id = ce_id;
-               ce_state->ctrl_addr = ctrl_addr;
-               ce_state->state = CE_RUNNING;
-               /* Save attribute flags */
-               ce_state->attr_flags = attr->flags;
-               ce_state->src_sz_max = attr->src_sz_max;
-       }
+       ce_state->ar = ar;
+       ce_state->id = ce_id;
+       ce_state->ctrl_addr = ctrl_addr;
+       ce_state->state = CE_RUNNING;
+       ce_state->attr_flags = attr->flags;
+       ce_state->src_sz_max = attr->src_sz_max;
 
        spin_unlock_bh(&ar_pci->ce_lock);
 
@@ -1159,13 +1149,9 @@ struct ce_state *ath10k_ce_init(struct ath10k *ar,
 
 void ath10k_ce_deinit(struct ce_state *ce_state)
 {
-       unsigned int ce_id = ce_state->id;
        struct ath10k *ar = ce_state->ar;
        struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 
-       ce_state->state = CE_UNUSED;
-       ar_pci->ce_id_to_state[ce_id] = NULL;
-
        if (ce_state->src_ring) {
                kfree(ce_state->src_ring->shadow_base_unaligned);
                pci_free_consistent(ar_pci->pdev,
@@ -1186,5 +1172,8 @@ void ath10k_ce_deinit(struct ce_state *ce_state)
                                    ce_state->dest_ring->base_addr_ce_space);
                kfree(ce_state->dest_ring);
        }
-       kfree(ce_state);
+
+       ce_state->state = CE_UNUSED;
+       ce_state->src_ring = NULL;
+       ce_state->dest_ring = NULL;
 }

diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index 153ae28..13acaf0 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -233,7 +233,7 @@ struct ath10k_pci {
        spinlock_t ce_lock;
 
        /* Map CE id to ce_state */
-       struct ce_state *ce_id_to_state[CE_COUNT_MAX];
+       struct ce_state ce_states[CE_COUNT_MAX];
 };
 
 static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)