[Linux1394-cvslog] rev 608 - trunk

[SVN U. <ben...@li...>]

Author: bencollins
Date: 2002-10-13 18:07:44 -0400 (Sun, 13 Oct 2002)
New Revision: 608

Modified:
   trunk/ohci1394.c
   trunk/ohci1394.h
Log:
Use a pci_pool (DMA consistent pool) for d->prg allocations.


Modified: trunk/ohci1394.c
==============================================================================
--- trunk/ohci1394.c	(original)
+++ trunk/ohci1394.c	2002-10-13 18:07:45.000000000 -0400
@@ -398,7 +398,7 @@
 		c = DMA_CTL_INPUT_MORE | DMA_CTL_UPDATE | DMA_CTL_BRANCH;
 		if (generate_irq)
 			c |= DMA_CTL_IRQ;
-				
+
 		d->prg_cpu[i]->control = cpu_to_le32(c | d->buf_size);
 
 		/* End of descriptor list? */
@@ -1560,11 +1560,11 @@
 	if (d->prg_cpu) {
 		for (i=0; i<d->num_desc; i++) 
 			if (d->prg_cpu[i] && d->prg_bus[i]) {
-				pci_free_consistent(
-					d->ohci->dev, sizeof(struct dma_cmd), 
-					d->prg_cpu[i], d->prg_bus[i]);
+				pci_pool_free(d->prg_pool, d->prg_cpu[i], d->prg_bus[i]);
 				OHCI_DMA_FREE("consistent dma_rcv prg[%d]", i);
 			}
+		pci_pool_destroy(d->prg_pool);
+		OHCI_DMA_FREE("dma_rcv prg pool");
 		kfree(d->prg_cpu);
 		kfree(d->prg_bus);
 	}
@@ -1624,6 +1624,10 @@
 		return -ENOMEM;
 	}
 
+	d->prg_pool = pci_pool_create("ohci1394 rcv prg", ohci->dev,
+				sizeof(struct dma_cmd), 4, 0, SLAB_KERNEL);
+	OHCI_DMA_ALLOC("dma_rcv prg pool");
+
 	for (i=0; i<d->num_desc; i++) {
 		d->buf_cpu[i] = pci_alloc_consistent(ohci->dev, 
 						     d->buf_size,
@@ -1639,11 +1643,8 @@
 			return -ENOMEM;
 		}
 
-		
-                d->prg_cpu[i] = pci_alloc_consistent(ohci->dev, 
-						     sizeof(struct dma_cmd),
-						     d->prg_bus+i);
-		OHCI_DMA_ALLOC("consistent dma_rcv prg[%d]", i);
+		d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, SLAB_KERNEL, d->prg_bus+i);
+		OHCI_DMA_ALLOC("pool dma_rcv prg[%d]", i);
 
                 if (d->prg_cpu[i] != NULL) {
                         memset(d->prg_cpu[i], 0, sizeof(struct dma_cmd));
@@ -1692,11 +1693,11 @@
 	if (d->prg_cpu) {
 		for (i=0; i<d->num_desc; i++) 
 			if (d->prg_cpu[i] && d->prg_bus[i]) {
-				pci_free_consistent(
-					d->ohci->dev, sizeof(struct at_dma_prg), 
-					d->prg_cpu[i], d->prg_bus[i]);
-				OHCI_DMA_FREE("consistent dma_trm prg[%d]", i);
+				pci_pool_free(d->prg_pool, d->prg_cpu[i], d->prg_bus[i]);
+				OHCI_DMA_FREE("pool dma_trm prg[%d]", i);
 			}
+		pci_pool_destroy(d->prg_pool);
+		OHCI_DMA_FREE("dma_trm prg pool");
 		kfree(d->prg_cpu);
 		kfree(d->prg_bus);
 	}
@@ -1732,11 +1733,13 @@
 	memset(d->prg_cpu, 0, d->num_desc * sizeof(struct at_dma_prg*));
 	memset(d->prg_bus, 0, d->num_desc * sizeof(dma_addr_t));
 
+	d->prg_pool = pci_pool_create("ohci1394 trm prg", ohci->dev,
+				sizeof(struct at_dma_prg), 4, 0, SLAB_KERNEL);
+	OHCI_DMA_ALLOC("dma_rcv prg pool");
+
 	for (i = 0; i < d->num_desc; i++) {
-                d->prg_cpu[i] = pci_alloc_consistent(ohci->dev, 
-						     sizeof(struct at_dma_prg),
-						     d->prg_bus+i);
-		OHCI_DMA_ALLOC("consistent dma_trm prg[%d]", i);
+		d->prg_cpu[i] = pci_pool_alloc(d->prg_pool, SLAB_KERNEL, d->prg_bus+i);
+		OHCI_DMA_ALLOC("pool dma_trm prg[%d]", i);
 
                 if (d->prg_cpu[i] != NULL) {
                         memset(d->prg_cpu[i], 0, sizeof(struct at_dma_prg));

Modified: trunk/ohci1394.h
==============================================================================
--- trunk/ohci1394.h	(original)
+++ trunk/ohci1394.h	2002-10-13 18:07:45.000000000 -0400
@@ -95,6 +95,7 @@
 	/* dma block descriptors */
         struct dma_cmd **prg_cpu;
         dma_addr_t *prg_bus;
+	struct pci_pool *prg_pool;
 
 	/* dma buffers */
         quadlet_t **buf_cpu;
@@ -120,6 +121,7 @@
 	/* dma block descriptors */
         struct at_dma_prg **prg_cpu;
 	dma_addr_t *prg_bus;
+	struct pci_pool *prg_pool;
 
         unsigned int prg_ind;
         unsigned int sent_ind;