X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fscsi%2Fu14-34f.c;h=9e8232a1f16966efdd87b2257ac6706560b265b1;hb=03ce11048b3832f5f0c471ccdb3363a870a14ac1;hp=1ce29ba683eb72a8953adb95cd9fa0e2d660d83c;hpb=3133c5e896c0b2509e72ae0c2cb9452c80d47f46;p=mv-sheeva.git

diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c
index 1ce29ba683e..9e8232a1f16 100644
--- a/drivers/scsi/u14-34f.c
+++ b/drivers/scsi/u14-34f.c
@@ -282,7 +282,7 @@
  *  clustering is enabled. ENABLE_CLUSTERING provides a performance increase
  *  up to 50% on sequential access.
  *
- *  Since the Scsi_Host_Template structure is shared among all 14F and 34F,
+ *  Since the struct scsi_host_template structure is shared among all 14F and 34F,
  *  the last setting of use_clustering is in effect for all of these boards.
  *
  *  Here a sample configuration using two U14F boards:
@@ -405,7 +405,6 @@
  *  the driver sets host->wish_block = TRUE for all ISA boards.
  */
 
-#include <linux/config.h>
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/ioport.h>
@@ -635,7 +634,7 @@ static unsigned long io_port[] = {
 #define H2DEV(x) cpu_to_le32(x)
 #define DEV2H(x) le32_to_cpu(x)
 
-static irqreturn_t do_interrupt_handler(int, void *, struct pt_regs *);
+static irqreturn_t do_interrupt_handler(int, void *);
 static void flush_dev(struct scsi_device *, unsigned long, unsigned int, unsigned int);
 static int do_trace = FALSE;
 static int setup_done = FALSE;
@@ -873,7 +872,7 @@ static int port_detect \
 
    /* Board detected, allocate its IRQ */
    if (request_irq(irq, do_interrupt_handler,
-             SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
+             IRQF_DISABLED | ((subversion == ESA) ? IRQF_SHARED : 0),
              driver_name, (void *) &sha[j])) {
       printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq);
       goto freelock;
@@ -1112,7 +1111,7 @@ static int u14_34f_detect(struct scsi_host_template *tpnt) {
 static void map_dma(unsigned int i, unsigned int j) {
    unsigned int data_len = 0;
    unsigned int k, count, pci_dir;
-   struct scatterlist *sgpnt;
+   struct scatterlist *sg;
    struct mscp *cpp;
    struct scsi_cmnd *SCpnt;
 
@@ -1125,33 +1124,28 @@ static void map_dma(unsigned int i, unsigned int j) {
 
    cpp->sense_len = sizeof SCpnt->sense_buffer;
 
-   if (!SCpnt->use_sg) {
-
-      /* If we get here with PCI_DMA_NONE, pci_map_single triggers a BUG() */
-      if (!SCpnt->request_bufflen) pci_dir = PCI_DMA_BIDIRECTIONAL;
-
-      if (SCpnt->request_buffer)
-         cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev,
-                  SCpnt->request_buffer, SCpnt->request_bufflen, pci_dir));
-
-      cpp->data_len = H2DEV(SCpnt->request_bufflen);
-      return;
-      }
-
-   sgpnt = (struct scatterlist *) SCpnt->request_buffer;
-   count = pci_map_sg(HD(j)->pdev, sgpnt, SCpnt->use_sg, pci_dir);
-
-   for (k = 0; k < count; k++) {
-      cpp->sglist[k].address = H2DEV(sg_dma_address(&sgpnt[k]));
-      cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(&sgpnt[k]));
-      data_len += sgpnt[k].length;
-      }
-
-   cpp->sg = TRUE;
-   cpp->use_sg = SCpnt->use_sg;
-   cpp->data_address = H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist,
-                             SCpnt->use_sg * sizeof(struct sg_list), pci_dir));
-   cpp->data_len = H2DEV(data_len);
+   if (scsi_bufflen(SCpnt)) {
+	   count = scsi_dma_map(SCpnt);
+	   BUG_ON(count < 0);
+
+	   scsi_for_each_sg(SCpnt, sg, count, k) {
+		   cpp->sglist[k].address = H2DEV(sg_dma_address(sg));
+		   cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(sg));
+		   data_len += sg->length;
+	   }
+
+	   cpp->sg = TRUE;
+	   cpp->use_sg = scsi_sg_count(SCpnt);
+	   cpp->data_address =
+		   H2DEV(pci_map_single(HD(j)->pdev, cpp->sglist,
+					cpp->use_sg * sizeof(struct sg_list),
+					pci_dir));
+	   cpp->data_len = H2DEV(data_len);
+
+   } else {
+	   pci_dir = PCI_DMA_BIDIRECTIONAL;
+	   cpp->data_len = H2DEV(scsi_bufflen(SCpnt));
+   }
 }
 
 static void unmap_dma(unsigned int i, unsigned int j) {
@@ -1166,8 +1160,7 @@ static void unmap_dma(unsigned int i, unsigned int j) {
       pci_unmap_single(HD(j)->pdev, DEV2H(cpp->sense_addr),
                        DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
 
-   if (SCpnt->use_sg)
-      pci_unmap_sg(HD(j)->pdev, SCpnt->request_buffer, SCpnt->use_sg, pci_dir);
+   scsi_dma_unmap(SCpnt);
 
    if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
 
@@ -1188,9 +1181,9 @@ static void sync_dma(unsigned int i, unsigned int j) {
       pci_dma_sync_single_for_cpu(HD(j)->pdev, DEV2H(cpp->sense_addr),
                           DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
 
-   if (SCpnt->use_sg)
-      pci_dma_sync_sg_for_cpu(HD(j)->pdev, SCpnt->request_buffer,
-                         SCpnt->use_sg, pci_dir);
+   if (scsi_sg_count(SCpnt))
+	   pci_dma_sync_sg_for_cpu(HD(j)->pdev, scsi_sglist(SCpnt),
+				   scsi_sg_count(SCpnt), pci_dir);
 
    if (!DEV2H(cpp->data_len)) pci_dir = PCI_DMA_BIDIRECTIONAL;
 
@@ -1933,8 +1926,7 @@ none:
    return IRQ_NONE;
 }
 
-static irqreturn_t do_interrupt_handler(int irq, void *shap,
-                                        struct pt_regs *regs) {
+static irqreturn_t do_interrupt_handler(int irq, void *shap) {
    unsigned int j;
    unsigned long spin_flags;
    irqreturn_t ret;