ath6kl: cleanup callbacks for different scatter gather method

Define a hook in ath6kl_hif_ops for hif scatter gather mechanism.
When virtual scatter gather is used, call the respective function
directly.

Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

4 files changed, 15 insertions, 7 deletions

diff --git a/drivers/net/wireless/ath/ath6kl/hif-ops.h b/drivers/net/wireless/ath/ath6kl/hif-ops.h
index ad4966917e84..32890cd530be 100644
--- a/drivers/net/wireless/ath/ath6kl/hif-ops.h
+++ b/drivers/net/wireless/ath/ath6kl/hif-ops.h
@@ -59,6 +59,12 @@ static inline int ath6kl_hif_enable_scatter(struct ath6kl *ar,
         return ar->hif_ops->enable_scatter(ar, info);
 }
 
+static inline int ath6kl_hif_scat_req_rw(struct ath6kl *ar,
+                                         struct hif_scatter_req *scat_req)
+{
+        return ar->hif_ops->scat_req_rw(ar, scat_req);
+}
+
 static inline void ath6kl_hif_cleanup_scatter(struct ath6kl *ar)
 {
         return ar->hif_ops->cleanup_scatter(ar);
diff --git a/drivers/net/wireless/ath/ath6kl/hif.h b/drivers/net/wireless/ath/ath6kl/hif.h
index 7d39c1769fe4..ca401041abfb 100644
--- a/drivers/net/wireless/ath/ath6kl/hif.h
+++ b/drivers/net/wireless/ath/ath6kl/hif.h
@@ -186,7 +186,6 @@ struct hif_scatter_req {
 };
 
 struct hif_dev_scat_sup_info {
-        int (*rw_scat_func) (struct ath6kl *ar, struct hif_scatter_req *);
         int max_scat_entries;
         int max_xfer_szper_scatreq;
 };
@@ -210,6 +209,8 @@ struct ath6kl_hif_ops {
                                 struct hif_scatter_req *s_req);
         int (*enable_scatter)(struct ath6kl *ar,
                               struct hif_dev_scat_sup_info *info);
+        int (*scat_req_rw) (struct ath6kl *ar,
+                            struct hif_scatter_req *scat_req);
         void (*cleanup_scatter)(struct ath6kl *ar);
 };
 
diff --git a/drivers/net/wireless/ath/ath6kl/htc_hif.c b/drivers/net/wireless/ath/ath6kl/htc_hif.c
index 1bcaaec579c5..df904d8c48c0 100644
--- a/drivers/net/wireless/ath/ath6kl/htc_hif.c
+++ b/drivers/net/wireless/ath/ath6kl/htc_hif.c
@@ -285,7 +285,10 @@ int ath6kldev_submit_scat_req(struct ath6kl_device *dev,
                 return status;
         }
 
-        status = dev->hif_scat_info.rw_scat_func(dev->ar, scat_req);
+        if (dev->virt_scat)
+                status =  ath6kldev_rw_scatter(dev->ar, scat_req);
+        else
+                status = ath6kl_hif_scat_req_rw(dev->ar, scat_req);
 
         if (read) {
                 /* in sync mode, we can touch the scatter request */
@@ -340,7 +343,6 @@ static int ath6kldev_setup_virt_scat_sup(struct ath6kl_device *dev)
         if (status)
                 ath6kl_hif_cleanup_scatter(dev->ar);
         else {
-                dev->hif_scat_info.rw_scat_func = ath6kldev_rw_scatter;
                 dev->hif_scat_info.max_scat_entries =
                         ATH6KL_SCATTER_ENTRIES_PER_REQ;
                 dev->hif_scat_info.max_xfer_szper_scatreq =
diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c
index b38732aaf41a..d217f1c642b3 100644
--- a/drivers/net/wireless/ath/ath6kl/sdio.c
+++ b/drivers/net/wireless/ath/ath6kl/sdio.c
@@ -271,9 +271,9 @@ static int ath6kl_sdio_scat_rw(struct ath6kl_sdio *ar_sdio,
 }
 
 
-/* callback to issue a read-write scatter request */
+/* scatter gather read write request */
 static int ath6kl_sdio_async_rw_scatter(struct ath6kl *ar,
-                                        struct hif_scatter_req *scat_req)
+                                 struct hif_scatter_req *scat_req)
 {
         struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
         struct hif_scatter_req_priv *req_priv = scat_req->req_priv;
@@ -379,8 +379,6 @@ static int ath6kl_sdio_setup_scat_resource(struct ath6kl_sdio *ar_sdio,
                 hif_scatter_req_add(ar_sdio->ar, s_req);
         }
 
-        /* set scatter function pointers */
-        pinfo->rw_scat_func = ath6kl_sdio_async_rw_scatter;
         pinfo->max_scat_entries = MAX_SCATTER_ENTRIES_PER_REQ;
         pinfo->max_xfer_szper_scatreq = MAX_SCATTER_REQ_TRANSFER_SIZE;
 
@@ -671,6 +669,7 @@ static const struct ath6kl_hif_ops ath6kl_sdio_ops = {
         .scatter_req_get = ath6kl_sdio_scatter_req_get,
         .scatter_req_add = ath6kl_sdio_scatter_req_add,
         .enable_scatter = ath6kl_sdio_enable_scatter,
+        .scat_req_rw = ath6kl_sdio_async_rw_scatter,
         .cleanup_scatter = ath6kl_sdio_cleanup_scatter,
 };