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

[firefly-linux-kernel-4.4.55.git] / drivers / scsi / arm / powertec.c

diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index f9cd20bfb95890f9ae79cb1d162e41865bf12f4f..159047a34997e99638f2cead22b3d634d8dadb0b 100644 (file)
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -148,10 +148,10 @@ powertecscsi_dma_setup(struct Scsi_Host *host, struct scsi_pointer *SCp,
                        map_dir = DMA_FROM_DEVICE,
                        dma_dir = DMA_MODE_READ;
 
-               dma_map_sg(dev, info->sg, bufs + 1, map_dir);
+               dma_map_sg(dev, info->sg, bufs, map_dir);
 
                disable_dma(dmach);
-               set_dma_sg(dmach, info->sg, bufs + 1);
+               set_dma_sg(dmach, info->sg, bufs);
                set_dma_mode(dmach, dma_dir);
                enable_dma(dmach);
                return fasdma_real_all;
@@ -342,6 +342,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
        info->base = base;
        powertecscsi_terminator_ctl(host, term[ec->slot_no]);
 
+       info->ec = ec;
        info->info.scsi.io_base         = base + POWERTEC_FAS216_OFFSET;
        info->info.scsi.io_shift        = POWERTEC_FAS216_SHIFT;
        info->info.scsi.irq             = ec->irq;