[ARM] ARM SCSI: Don't try to dma_map_sg too many scatterlist entries

[linux-2.6-omap-h63xx.git] / drivers / scsi / advansys.c

diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 587eac920790d0dbcbe930e39ef6516a154242fa..9b3303b64113780b6eff7abfc296b30036fb2b84 100644 (file)
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -3951,7 +3951,7 @@ typedef struct _PCI_CONFIG_SPACE_
 
 /* Number of boards detected in system. */
 STATIC int asc_board_count = 0;
-STATIC struct Scsi_Host    *asc_host[ASC_NUM_BOARD_SUPPORTED] = { 0 };
+STATIC struct Scsi_Host    *asc_host[ASC_NUM_BOARD_SUPPORTED] = { NULL };
 
 /* Overrun buffer used by all narrow boards. */
 STATIC uchar overrun_buf[ASC_OVERRUN_BSIZE] = { 0 };
@@ -4403,7 +4403,7 @@ advansys_detect(struct scsi_host_template *tpnt)
                         ASC_DBG1(1,
                                 "advansys_detect: probing I/O port 0x%x...\n",
                             iop);
-                        if (check_region(iop, ASC_IOADR_GAP) != 0) {
+                       if (!request_region(iop, ASC_IOADR_GAP, "advansys")){
                             printk(
 "AdvanSys SCSI: specified I/O Port 0x%X is busy\n", iop);
                             /* Don't try this I/O port twice. */
@@ -4413,6 +4413,7 @@ advansys_detect(struct scsi_host_template *tpnt)
                             printk(
 "AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", iop);
                             /* Don't try this I/O port twice. */
+                           release_region(iop, ASC_IOADR_GAP);
                             asc_ioport[ioport] = 0;
                             goto ioport_try_again;
                         } else {
@@ -4431,6 +4432,7 @@ advansys_detect(struct scsi_host_template *tpnt)
                                   * 'ioport' past this board.
                                   */
                                  ioport++;
+                                release_region(iop, ASC_IOADR_GAP);
                                  goto ioport_try_again;
                             }
                         }
@@ -6621,7 +6623,7 @@ adv_build_req(asc_board_t *boardp, struct scsi_cmnd *scp,
                dma_map_single(dev, scp->request_buffer,
                               scp->request_bufflen, scp->sc_data_direction);
        } else {
-           scsiqp->vdata_addr = 0;
+           scsiqp->vdata_addr = NULL;
            scp->SCp.dma_handle = 0;
        }
        scsiqp->data_addr = cpu_to_le32(scp->SCp.dma_handle);
@@ -9740,13 +9742,14 @@ AscSearchIOPortAddr11(
     }
     for (; i < ASC_IOADR_TABLE_MAX_IX; i++) {
         iop_base = _asc_def_iop_base[i];
-        if (check_region(iop_base, ASC_IOADR_GAP) != 0) {
+       if (!request_region(iop_base, ASC_IOADR_GAP, "advansys")){
             ASC_DBG1(1,
                "AscSearchIOPortAddr11: check_region() failed I/O port 0x%x\n",
                      iop_base);
             continue;
         }
         ASC_DBG1(1, "AscSearchIOPortAddr11: probing I/O port 0x%x\n", iop_base);
+       release_region(iop_base, ASC_IOADR_GAP);
         if (AscFindSignature(iop_base)) {
             return (iop_base);
         }
@@ -18215,6 +18218,7 @@ AdvInquiryHandling(
 }
 MODULE_LICENSE("Dual BSD/GPL");
 
+#ifdef CONFIG_PCI
 /* PCI Devices supported by this driver */
 static struct pci_device_id advansys_pci_tbl[] __devinitdata = {
        { PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A,
@@ -18232,4 +18236,4 @@ static struct pci_device_id advansys_pci_tbl[] __devinitdata = {
        { }
 };
 MODULE_DEVICE_TABLE(pci, advansys_pci_tbl);
-
+#endif /* CONFIG_PCI */