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-rw-r--r--package/mac80211/patches/402-ath9k-convert-to-use-bus-agnostic-DMA-routines.patch233
1 files changed, 233 insertions, 0 deletions
diff --git a/package/mac80211/patches/402-ath9k-convert-to-use-bus-agnostic-DMA-routines.patch b/package/mac80211/patches/402-ath9k-convert-to-use-bus-agnostic-DMA-routines.patch
new file mode 100644
index 0000000000..2a30b610e1
--- /dev/null
+++ b/package/mac80211/patches/402-ath9k-convert-to-use-bus-agnostic-DMA-routines.patch
@@ -0,0 +1,233 @@
+From 57b901b5ceb401006a278bc1ad224f0ac88d4f08 Mon Sep 17 00:00:00 2001
+From: Gabor Juhos <juhosg@openwrt.org>
+Date: Mon, 5 Jan 2009 10:50:30 +0100
+Subject: [PATCH 02/11] ath9k: convert to use bus-agnostic DMA routines
+
+Convert to use bus-agnostic DMA routines to make it usable on AHB bus as well.
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
+---
+ drivers/net/wireless/ath9k/beacon.c | 31 ++++++++++++++-----------------
+ drivers/net/wireless/ath9k/main.c | 13 ++++++-------
+ drivers/net/wireless/ath9k/recv.c | 27 ++++++++++++---------------
+ drivers/net/wireless/ath9k/xmit.c | 15 ++++++---------
+ 4 files changed, 38 insertions(+), 48 deletions(-)
+
+--- a/drivers/net/wireless/ath9k/beacon.c
++++ b/drivers/net/wireless/ath9k/beacon.c
+@@ -164,9 +164,9 @@ static struct ath_buf *ath_beacon_genera
+ bf = avp->av_bcbuf;
+ skb = (struct sk_buff *)bf->bf_mpdu;
+ if (skb) {
+- pci_unmap_single(to_pci_dev(sc->dev), bf->bf_dmacontext,
++ dma_unmap_single(sc->dev, bf->bf_dmacontext,
+ skb->len,
+- PCI_DMA_TODEVICE);
++ DMA_TO_DEVICE);
+ dev_kfree_skb_any(skb);
+ }
+
+@@ -188,15 +188,14 @@ static struct ath_buf *ath_beacon_genera
+ }
+
+ bf->bf_buf_addr = bf->bf_dmacontext =
+- pci_map_single(to_pci_dev(sc->dev), skb->data,
++ dma_map_single(sc->dev, skb->data,
+ skb->len,
+- PCI_DMA_TODEVICE);
+- if (unlikely(pci_dma_mapping_error(to_pci_dev(sc->dev),
+- bf->bf_buf_addr))) {
++ DMA_TO_DEVICE);
++ if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
+ dev_kfree_skb_any(skb);
+ bf->bf_mpdu = NULL;
+ DPRINTF(sc, ATH_DBG_CONFIG,
+- "pci_dma_mapping_error() on beaconing\n");
++ "dma_mapping_error() on beaconing\n");
+ return NULL;
+ }
+
+@@ -344,9 +343,9 @@ int ath_beacon_alloc(struct ath_softc *s
+ bf = avp->av_bcbuf;
+ if (bf->bf_mpdu != NULL) {
+ skb = (struct sk_buff *)bf->bf_mpdu;
+- pci_unmap_single(to_pci_dev(sc->dev), bf->bf_dmacontext,
++ dma_unmap_single(sc->dev, bf->bf_dmacontext,
+ skb->len,
+- PCI_DMA_TODEVICE);
++ DMA_TO_DEVICE);
+ dev_kfree_skb_any(skb);
+ bf->bf_mpdu = NULL;
+ }
+@@ -403,15 +402,14 @@ int ath_beacon_alloc(struct ath_softc *s
+
+ bf->bf_mpdu = skb;
+ bf->bf_buf_addr = bf->bf_dmacontext =
+- pci_map_single(to_pci_dev(sc->dev), skb->data,
++ dma_map_single(sc->dev, skb->data,
+ skb->len,
+- PCI_DMA_TODEVICE);
+- if (unlikely(pci_dma_mapping_error(to_pci_dev(sc->dev),
+- bf->bf_buf_addr))) {
++ DMA_TO_DEVICE);
++ if (unlikely(dma_mapping_error(sc->dev, bf->bf_buf_addr))) {
+ dev_kfree_skb_any(skb);
+ bf->bf_mpdu = NULL;
+ DPRINTF(sc, ATH_DBG_CONFIG,
+- "pci_dma_mapping_error() on beacon alloc\n");
++ "dma_mapping_error() on beacon alloc\n");
+ return -ENOMEM;
+ }
+
+@@ -431,10 +429,9 @@ void ath_beacon_return(struct ath_softc
+ bf = avp->av_bcbuf;
+ if (bf->bf_mpdu != NULL) {
+ struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
+- pci_unmap_single(to_pci_dev(sc->dev),
+- bf->bf_dmacontext,
++ dma_unmap_single(sc->dev, bf->bf_dmacontext,
+ skb->len,
+- PCI_DMA_TODEVICE);
++ DMA_TO_DEVICE);
+ dev_kfree_skb_any(skb);
+ bf->bf_mpdu = NULL;
+ }
+--- a/drivers/net/wireless/ath9k/main.c
++++ b/drivers/net/wireless/ath9k/main.c
+@@ -1709,9 +1709,8 @@ int ath_descdma_setup(struct ath_softc *
+ }
+
+ /* allocate descriptors */
+- dd->dd_desc = pci_alloc_consistent(to_pci_dev(sc->dev),
+- dd->dd_desc_len,
+- &dd->dd_desc_paddr);
++ dd->dd_desc = dma_alloc_coherent(sc->dev, dd->dd_desc_len,
++ &dd->dd_desc_paddr, GFP_ATOMIC);
+ if (dd->dd_desc == NULL) {
+ error = -ENOMEM;
+ goto fail;
+@@ -1757,8 +1756,8 @@ int ath_descdma_setup(struct ath_softc *
+ }
+ return 0;
+ fail2:
+- pci_free_consistent(to_pci_dev(sc->dev),
+- dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr);
++ dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
++ dd->dd_desc_paddr);
+ fail:
+ memset(dd, 0, sizeof(*dd));
+ return error;
+@@ -1771,8 +1770,8 @@ void ath_descdma_cleanup(struct ath_soft
+ struct ath_descdma *dd,
+ struct list_head *head)
+ {
+- pci_free_consistent(to_pci_dev(sc->dev),
+- dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr);
++ dma_free_coherent(sc->dev, dd->dd_desc_len, dd->dd_desc,
++ dd->dd_desc_paddr);
+
+ INIT_LIST_HEAD(head);
+ kfree(dd->dd_bufptr);
+--- a/drivers/net/wireless/ath9k/recv.c
++++ b/drivers/net/wireless/ath9k/recv.c
+@@ -291,16 +291,15 @@ int ath_rx_init(struct ath_softc *sc, in
+ }
+
+ bf->bf_mpdu = skb;
+- bf->bf_buf_addr = pci_map_single(to_pci_dev(sc->dev),
+- skb->data,
++ bf->bf_buf_addr = dma_map_single(sc->dev, skb->data,
+ sc->rx.bufsize,
+- PCI_DMA_FROMDEVICE);
+- if (unlikely(pci_dma_mapping_error(to_pci_dev(sc->dev),
++ DMA_FROM_DEVICE);
++ if (unlikely(dma_mapping_error(sc->dev,
+ bf->bf_buf_addr))) {
+ dev_kfree_skb_any(skb);
+ bf->bf_mpdu = NULL;
+ DPRINTF(sc, ATH_DBG_CONFIG,
+- "pci_dma_mapping_error() on RX init\n");
++ "dma_mapping_error() on RX init\n");
+ error = -ENOMEM;
+ break;
+ }
+@@ -525,10 +524,9 @@ int ath_rx_tasklet(struct ath_softc *sc,
+ * 1. accessing the frame
+ * 2. requeueing the same buffer to h/w
+ */
+- pci_dma_sync_single_for_cpu(to_pci_dev(sc->dev),
+- bf->bf_buf_addr,
++ dma_sync_single_for_cpu(sc->dev, bf->bf_buf_addr,
+ sc->rx.bufsize,
+- PCI_DMA_FROMDEVICE);
++ DMA_FROM_DEVICE);
+
+ /*
+ * If we're asked to flush receive queue, directly
+@@ -559,9 +557,9 @@ int ath_rx_tasklet(struct ath_softc *sc,
+ goto requeue;
+
+ /* Unmap the frame */
+- pci_unmap_single(to_pci_dev(sc->dev), bf->bf_buf_addr,
++ dma_unmap_single(sc->dev, bf->bf_buf_addr,
+ sc->rx.bufsize,
+- PCI_DMA_FROMDEVICE);
++ DMA_FROM_DEVICE);
+
+ skb_put(skb, ds->ds_rxstat.rs_datalen);
+ skb->protocol = cpu_to_be16(ETH_P_CONTROL);
+@@ -601,16 +599,15 @@ int ath_rx_tasklet(struct ath_softc *sc,
+
+ /* We will now give hardware our shiny new allocated skb */
+ bf->bf_mpdu = requeue_skb;
+- bf->bf_buf_addr = pci_map_single(to_pci_dev(sc->dev),
+- requeue_skb->data,
++ bf->bf_buf_addr = dma_map_single(sc->dev, requeue_skb->data,
+ sc->rx.bufsize,
+- PCI_DMA_FROMDEVICE);
+- if (unlikely(pci_dma_mapping_error(to_pci_dev(sc->dev),
++ DMA_FROM_DEVICE);
++ if (unlikely(dma_mapping_error(sc->dev,
+ bf->bf_buf_addr))) {
+ dev_kfree_skb_any(requeue_skb);
+ bf->bf_mpdu = NULL;
+ DPRINTF(sc, ATH_DBG_CONFIG,
+- "pci_dma_mapping_error() on RX\n");
++ "dma_mapping_error() on RX\n");
+ break;
+ }
+ bf->bf_dmacontext = bf->bf_buf_addr;
+--- a/drivers/net/wireless/ath9k/xmit.c
++++ b/drivers/net/wireless/ath9k/xmit.c
+@@ -340,10 +340,8 @@ static void ath_tx_complete_buf(struct a
+ }
+
+ /* Unmap this frame */
+- pci_unmap_single(to_pci_dev(sc->dev),
+- bf->bf_dmacontext,
+- skb->len,
+- PCI_DMA_TODEVICE);
++ dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
++
+ /* complete this frame */
+ ath_tx_complete(sc, skb, &tx_status);
+
+@@ -1716,13 +1714,12 @@ static int ath_tx_setup_buffer(struct at
+ /* DMA setup */
+ bf->bf_mpdu = skb;
+
+- bf->bf_dmacontext = pci_map_single(to_pci_dev(sc->dev), skb->data,
+- skb->len, PCI_DMA_TODEVICE);
+- if (unlikely(pci_dma_mapping_error(to_pci_dev(sc->dev),
+- bf->bf_dmacontext))) {
++ bf->bf_dmacontext = dma_map_single(sc->dev, skb->data,
++ skb->len, DMA_TO_DEVICE);
++ if (unlikely(dma_mapping_error(sc->dev, bf->bf_dmacontext))) {
+ bf->bf_mpdu = NULL;
+ DPRINTF(sc, ATH_DBG_CONFIG,
+- "pci_dma_mapping_error() on TX\n");
++ "dma_mapping_error() on TX\n");
+ return -ENOMEM;
+ }
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 03:25:03 +0000