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