From 0d1b7a84d3672023c6bc6d7eaa988db8bd3202ba Mon Sep 17 00:00:00 2001 From: Mark Einon Date: Thu, 20 Oct 2011 01:18:43 +0100 Subject: [PATCH] staging: et131x: use dma_alloc... instead of pci_alloc... Use dma_allocs instead of pci_allocs, so we can use GFP_KERNEL allocations. Also removed this item from the TODO list Signed-off-by: Mark Einon Signed-off-by: Greg Kroah-Hartman --- drivers/staging/et131x/README | 1 - drivers/staging/et131x/et131x.c | 39 ++++++++++++++++++++++----------------- 2 files changed, 22 insertions(+), 18 deletions(-) diff --git a/drivers/staging/et131x/README b/drivers/staging/et131x/README index 1e0fcf4..87b9360 100644 --- a/drivers/staging/et131x/README +++ b/drivers/staging/et131x/README @@ -9,7 +9,6 @@ driver as they did not build properly at the time. TODO: - Use of kmem_cache seems a bit unusual - - Use dma_alloc_... in place of pci_alloc_... - It's too late stopping the tx queue when there is no room for the current packet. The condition should be detected for the next packet. - PCI_VDEVICE ? diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c index 0fbb77d..06ba4a9 100644 --- a/drivers/staging/et131x/et131x.c +++ b/drivers/staging/et131x/et131x.c @@ -1965,9 +1965,10 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) /* Allocate an area of memory for Free Buffer Ring 1 */ bufsize = (sizeof(struct fbr_desc) * rx_ring->fbr[0]->num_entries) + 0xfff; - rx_ring->fbr[0]->ring_virtaddr = pci_alloc_consistent(adapter->pdev, - bufsize, - &rx_ring->fbr[0]->ring_physaddr); + rx_ring->fbr[0]->ring_virtaddr = dma_alloc_coherent(&adapter->pdev->dev, + bufsize, + &rx_ring->fbr[0]->ring_physaddr, + GFP_KERNEL); if (!rx_ring->fbr[0]->ring_virtaddr) { dev_err(&adapter->pdev->dev, "Cannot alloc memory for Free Buffer Ring 1\n"); @@ -1995,9 +1996,10 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) #ifdef USE_FBR0 /* Allocate an area of memory for Free Buffer Ring 0 */ bufsize = (sizeof(struct fbr_desc) * rx_ring->fbr[1]->num_entries) + 0xfff; - rx_ring->fbr[1]->ring_virtaddr = pci_alloc_consistent(adapter->pdev, + rx_ring->fbr[1]->ring_virtaddr = dma_alloc_coherent(&adapter->pdev->dev, bufsize, - &rx_ring->fbr[1]->ring_physaddr); + &rx_ring->fbr[1]->ring_physaddr, + GFP_KERNEL); if (!rx_ring->fbr[1]->ring_virtaddr) { dev_err(&adapter->pdev->dev, "Cannot alloc memory for Free Buffer Ring 0\n"); @@ -2042,8 +2044,8 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) fbr_chunksize = (FBR_CHUNKS * rx_ring->fbr[0]->buffsize) + fbr1_align - 1; rx_ring->fbr[0]->mem_virtaddrs[i] = - pci_alloc_consistent(adapter->pdev, fbr_chunksize, - &rx_ring->fbr[0]->mem_physaddrs[i]); + dma_alloc_coherent(&adapter->pdev->dev, fbr_chunksize, + &rx_ring->fbr[0]->mem_physaddrs[i], GFP_KERNEL); if (!rx_ring->fbr[0]->mem_virtaddrs[i]) { dev_err(&adapter->pdev->dev, @@ -2094,8 +2096,8 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) fbr_chunksize = ((FBR_CHUNKS + 1) * rx_ring->fbr[1]->buffsize) - 1; rx_ring->fbr[1]->mem_virtaddrs[i] = - pci_alloc_consistent(adapter->pdev, fbr_chunksize, - &rx_ring->fbr[1]->mem_physaddrs[i]); + dma_alloc_coherent(&adapter->pdev->dev, fbr_chunksize, + &rx_ring->fbr[1]->mem_physaddrs[i], GFP_KERNEL); if (!rx_ring->fbr[1]->mem_virtaddrs[i]) { dev_err(&adapter->pdev->dev, @@ -2137,9 +2139,10 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) pktstat_ringsize = sizeof(struct pkt_stat_desc) * adapter->rx_ring.psr_num_entries; - rx_ring->ps_ring_virtaddr = pci_alloc_consistent(adapter->pdev, + rx_ring->ps_ring_virtaddr = dma_alloc_coherent(&adapter->pdev->dev, pktstat_ringsize, - &rx_ring->ps_ring_physaddr); + &rx_ring->ps_ring_physaddr, + GFP_KERNEL); if (!rx_ring->ps_ring_virtaddr) { dev_err(&adapter->pdev->dev, @@ -2157,9 +2160,10 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter) */ /* Allocate an area of memory for writeback of status information */ - rx_ring->rx_status_block = pci_alloc_consistent(adapter->pdev, + rx_ring->rx_status_block = dma_alloc_coherent(&adapter->pdev->dev, sizeof(struct rx_status_block), - &rx_ring->rx_status_bus); + &rx_ring->rx_status_bus, + GFP_KERNEL); if (!rx_ring->rx_status_block) { dev_err(&adapter->pdev->dev, "Cannot alloc memory for Status Block\n"); @@ -2992,8 +2996,8 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) */ desc_size = (sizeof(struct tx_desc) * NUM_DESC_PER_RING_TX) + 4096 - 1; tx_ring->tx_desc_ring = - (struct tx_desc *) pci_alloc_consistent(adapter->pdev, desc_size, - &tx_ring->tx_desc_ring_pa); + (struct tx_desc *) dma_alloc_coherent(&adapter->pdev->dev, desc_size, + &tx_ring->tx_desc_ring_pa, GFP_KERNEL); if (!adapter->tx_ring.tx_desc_ring) { dev_err(&adapter->pdev->dev, "Cannot alloc memory for Tx Ring\n"); @@ -3008,9 +3012,10 @@ int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter) * storing the adjusted address. */ /* Allocate memory for the Tx status block */ - tx_ring->tx_status = pci_alloc_consistent(adapter->pdev, + tx_ring->tx_status = dma_alloc_coherent(&adapter->pdev->dev, sizeof(u32), - &tx_ring->tx_status_pa); + &tx_ring->tx_status_pa, + GFP_KERNEL); if (!adapter->tx_ring.tx_status_pa) { dev_err(&adapter->pdev->dev, "Cannot alloc memory for Tx status block\n"); -- 2.7.4