X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fide%2Fide-dma.c;h=56efed6742d4d32945a1072203fea57b833d1df5;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=0523da77425aa35ceb5905636e9a8b839bf887f4;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 0523da774..56efed674 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -74,7 +74,6 @@
  *
  */
 
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -146,14 +145,12 @@ int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *driv
 {
 	for ( ; drive_table->id_model ; drive_table++)
 		if ((!strcmp(drive_table->id_model, id->model)) &&
-		    ((strstr(drive_table->id_firmware, id->fw_rev)) ||
+		    ((strstr(id->fw_rev, drive_table->id_firmware)) ||
 		     (!strcmp(drive_table->id_firmware, "ALL"))))
 			return 1;
 	return 0;
 }
 
-EXPORT_SYMBOL_GPL(ide_in_drive_list);
-
 /**
  *	ide_dma_intr	-	IDE DMA interrupt handler
  *	@drive: the drive the interrupt is for
@@ -175,7 +172,7 @@ ide_startstop_t ide_dma_intr (ide_drive_t *drive)
 			if (rq->rq_disk) {
 				ide_driver_t *drv;
 
-				drv = *(ide_driver_t **)rq->rq_disk->private_data;;
+				drv = *(ide_driver_t **)rq->rq_disk->private_data;
 				drv->end_request(drive, 1, rq->nr_sectors);
 			} else
 				ide_end_request(drive, 1, rq->nr_sectors);
@@ -206,8 +203,7 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq)
 	ide_hwif_t *hwif = HWIF(drive);
 	struct scatterlist *sg = hwif->sg_table;
 
-	if ((rq->flags & REQ_DRIVE_TASKFILE) && rq->nr_sectors > 256)
-		BUG();
+	BUG_ON((rq->cmd_type == REQ_TYPE_ATA_TASKFILE) && rq->nr_sectors > 256);
 
 	ide_map_sg(drive, rq);
 
@@ -752,7 +748,7 @@ void ide_dma_verbose(ide_drive_t *drive)
 			goto bug_dma_off;
 		printk(", DMA");
 	} else if (id->field_valid & 1) {
-		printk(", BUG");
+		goto bug_dma_off;
 	}
 	return;
 bug_dma_off:
@@ -800,26 +796,23 @@ static int ide_release_dma_engine(ide_hwif_t *hwif)
 
 static int ide_release_iomio_dma(ide_hwif_t *hwif)
 {
-	if ((hwif->dma_extra) && (hwif->channel == 0))
-		release_region((hwif->dma_base + 16), hwif->dma_extra);
 	release_region(hwif->dma_base, 8);
-	if (hwif->dma_base2)
-		release_region(hwif->dma_base, 8);
+	if (hwif->extra_ports)
+		release_region(hwif->extra_base, hwif->extra_ports);
 	return 1;
 }
 
 /*
  * Needed for allowing full modular support of ide-driver
  */
-int ide_release_dma (ide_hwif_t *hwif)
+int ide_release_dma(ide_hwif_t *hwif)
 {
+	ide_release_dma_engine(hwif);
+
 	if (hwif->mmio == 2)
 		return 1;
-	if (hwif->chipset == ide_etrax100)
-		return 1;
-
-	ide_release_dma_engine(hwif);
-	return ide_release_iomio_dma(hwif);
+	else
+		return ide_release_iomio_dma(hwif);
 }
 
 static int ide_allocate_dma_engine(ide_hwif_t *hwif)
@@ -831,10 +824,9 @@ static int ide_allocate_dma_engine(ide_hwif_t *hwif)
 	if (hwif->dmatable_cpu)
 		return 0;
 
-	printk(KERN_ERR "%s: -- Error, unable to allocate%s DMA table(s).\n",
-			hwif->cds->name, !hwif->dmatable_cpu ? " CPU" : "");
+	printk(KERN_ERR "%s: -- Error, unable to allocate DMA table.\n",
+	       hwif->cds->name);
 
-	ide_release_dma_engine(hwif);
 	return 1;
 }
 
@@ -842,9 +834,7 @@ static int ide_mapped_mmio_dma(ide_hwif_t *hwif, unsigned long base, unsigned in
 {
 	printk(KERN_INFO "    %s: MMIO-DMA ", hwif->name);
 
-	hwif->dma_base = base;
-	if (hwif->cds->extra && hwif->channel == 0)
-		hwif->dma_extra = hwif->cds->extra;
+ 	hwif->dma_base = base;
 
 	if(hwif->mate)
 		hwif->dma_master = (hwif->channel) ? hwif->mate->dma_base : base;
@@ -856,29 +846,33 @@ static int ide_mapped_mmio_dma(ide_hwif_t *hwif, unsigned long base, unsigned in
 static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base, unsigned int ports)
 {
 	printk(KERN_INFO "    %s: BM-DMA at 0x%04lx-0x%04lx",
-		hwif->name, base, base + ports - 1);
+	       hwif->name, base, base + ports - 1);
+
 	if (!request_region(base, ports, hwif->name)) {
 		printk(" -- Error, ports in use.\n");
 		return 1;
 	}
+
 	hwif->dma_base = base;
-	if ((hwif->cds->extra) && (hwif->channel == 0)) {
-		request_region(base+16, hwif->cds->extra, hwif->cds->name);
-		hwif->dma_extra = hwif->cds->extra;
+
+	if (hwif->cds->extra) {
+		hwif->extra_base = base + (hwif->channel ? 8 : 16);
+
+		if (!hwif->mate || !hwif->mate->extra_ports) {
+			if (!request_region(hwif->extra_base,
+					    hwif->cds->extra, hwif->cds->name)) {
+				printk(" -- Error, extra ports in use.\n");
+				release_region(base, ports);
+				return 1;
+			}
+			hwif->extra_ports = hwif->cds->extra;
+		}
 	}
-	
+
 	if(hwif->mate)
-		hwif->dma_master = (hwif->channel) ? hwif->mate->dma_base : base;
+		hwif->dma_master = (hwif->channel) ? hwif->mate->dma_base:base;
 	else
 		hwif->dma_master = base;
-	if (hwif->dma_base2) {
-		if (!request_region(hwif->dma_base2, ports, hwif->name))
-		{
-			printk(" -- Error, secondary ports in use.\n");
-			release_region(base, ports);
-			return 1;
-		}
-	}
 	return 0;
 }
 
@@ -947,8 +941,7 @@ void ide_setup_dma (ide_hwif_t *hwif, unsigned long dma_base, unsigned int num_p
 	}
 	printk("\n");
 
-	if (!(hwif->dma_master))
-		BUG();
+	BUG_ON(!hwif->dma_master);
 }
 
 EXPORT_SYMBOL_GPL(ide_setup_dma);