ath6kl: Move down scatter enable and cleanup functions

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

diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c
index 797a39f..9220a01 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/sdio.c
+++ b/drivers/net/wireless/ath/ath6kl/sdio.c
@@ -318,64 +318,6 @@ static int ath6kl_sdio_alloc_prep_scat_req(struct ath6kl_sdio *ar_sdio,
        return 0;
 }
 
-/* clean up scatter support */
-static void ath6kl_sdio_cleanup_scatter(struct ath6kl *ar)
-{
-       struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
-       struct hif_scatter_req *s_req, *tmp_req;
-       unsigned long flag;
-
-       /* empty the free list */
-       spin_lock_irqsave(&ar_sdio->scat_lock, flag);
-       list_for_each_entry_safe(s_req, tmp_req, &ar_sdio->scat_req, list) {
-               list_del(&s_req->list);
-               spin_unlock_irqrestore(&ar_sdio->scat_lock, flag);
-
-               if (s_req->busrequest)
-                       ath6kl_sdio_free_bus_req(ar_sdio, s_req->busrequest);
-               kfree(s_req->virt_dma_buf);
-               kfree(s_req->sgentries);
-               kfree(s_req);
-
-               spin_lock_irqsave(&ar_sdio->scat_lock, flag);
-       }
-       spin_unlock_irqrestore(&ar_sdio->scat_lock, flag);
-}
-
-/* setup of HIF scatter resources */
-static int ath6kl_sdio_enable_scatter(struct ath6kl *ar,
-                                     struct hif_dev_scat_sup_info *pinfo)
-{
-       struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
-       int ret = 0;
-
-       /* check if host supports scatter and it meets our requirements */
-       if (ar_sdio->func->card->host->max_segs < MAX_SCATTER_ENTRIES_PER_REQ) {
-               ath6kl_err("hif-scatter: host only supports scatter of : %d entries, need: %d\n",
-                          ar_sdio->func->card->host->max_segs,
-                          MAX_SCATTER_ENTRIES_PER_REQ);
-               return -EINVAL;
-       }
-
-       ath6kl_dbg(ATH6KL_DBG_ANY,
-                  "hif-scatter enabled: max scatter req : %d entries: %d\n",
-                  MAX_SCATTER_REQUESTS, MAX_SCATTER_ENTRIES_PER_REQ);
-
-       ret = ath6kl_sdio_alloc_prep_scat_req(ar_sdio,
-                                             MAX_SCATTER_ENTRIES_PER_REQ,
-                                             MAX_SCATTER_REQUESTS, 0);
-       if (ret) {
-               ath6kl_err("hif-scatter: failed to alloc scatter resources !\n");
-               ath6kl_sdio_cleanup_scatter(ar);
-               return ret;
-       }
-
-       pinfo->max_scat_entries = MAX_SCATTER_ENTRIES_PER_REQ;
-       pinfo->max_xfer_szper_scatreq = MAX_SCATTER_REQ_TRANSFER_SIZE;
-
-       return 0;
-}
-
 static int ath6kl_sdio_read_write_sync(struct ath6kl *ar, u32 addr, u8 *buf,
                                       u32 len, u32 request)
 {
@@ -658,6 +600,64 @@ static int ath6kl_sdio_async_rw_scatter(struct ath6kl *ar,
        return status;
 }
 
+/* clean up scatter support */
+static void ath6kl_sdio_cleanup_scatter(struct ath6kl *ar)
+{
+       struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
+       struct hif_scatter_req *s_req, *tmp_req;
+       unsigned long flag;
+
+       /* empty the free list */
+       spin_lock_irqsave(&ar_sdio->scat_lock, flag);
+       list_for_each_entry_safe(s_req, tmp_req, &ar_sdio->scat_req, list) {
+               list_del(&s_req->list);
+               spin_unlock_irqrestore(&ar_sdio->scat_lock, flag);
+
+               if (s_req->busrequest)
+                       ath6kl_sdio_free_bus_req(ar_sdio, s_req->busrequest);
+               kfree(s_req->virt_dma_buf);
+               kfree(s_req->sgentries);
+               kfree(s_req);
+
+               spin_lock_irqsave(&ar_sdio->scat_lock, flag);
+       }
+       spin_unlock_irqrestore(&ar_sdio->scat_lock, flag);
+}
+
+/* setup of HIF scatter resources */
+static int ath6kl_sdio_enable_scatter(struct ath6kl *ar,
+                                     struct hif_dev_scat_sup_info *pinfo)
+{
+       struct ath6kl_sdio *ar_sdio = ath6kl_sdio_priv(ar);
+       int ret = 0;
+
+       /* check if host supports scatter and it meets our requirements */
+       if (ar_sdio->func->card->host->max_segs < MAX_SCATTER_ENTRIES_PER_REQ) {
+               ath6kl_err("hif-scatter: host only supports scatter of : %d entries, need: %d\n",
+                          ar_sdio->func->card->host->max_segs,
+                          MAX_SCATTER_ENTRIES_PER_REQ);
+               return -EINVAL;
+       }
+
+       ath6kl_dbg(ATH6KL_DBG_ANY,
+                  "hif-scatter enabled: max scatter req : %d entries: %d\n",
+                  MAX_SCATTER_REQUESTS, MAX_SCATTER_ENTRIES_PER_REQ);
+
+       ret = ath6kl_sdio_alloc_prep_scat_req(ar_sdio,
+                                             MAX_SCATTER_ENTRIES_PER_REQ,
+                                             MAX_SCATTER_REQUESTS, 0);
+       if (ret) {
+               ath6kl_err("hif-scatter: failed to alloc scatter resources !\n");
+               ath6kl_sdio_cleanup_scatter(ar);
+               return ret;
+       }
+
+       pinfo->max_scat_entries = MAX_SCATTER_ENTRIES_PER_REQ;
+       pinfo->max_xfer_szper_scatreq = MAX_SCATTER_REQ_TRANSFER_SIZE;
+
+       return 0;
+}
+
 static const struct ath6kl_hif_ops ath6kl_sdio_ops = {
        .read_write_sync = ath6kl_sdio_read_write_sync,
        .write_async = ath6kl_sdio_write_async,