diff options
Diffstat (limited to 'drivers/scsi/zorro_esp.c')
| -rw-r--r-- | drivers/scsi/zorro_esp.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/scsi/zorro_esp.c b/drivers/scsi/zorro_esp.c index ca8e3abeb2c7..bdd82e497d5f 100644 --- a/drivers/scsi/zorro_esp.c +++ b/drivers/scsi/zorro_esp.c @@ -218,7 +218,14 @@ static int fastlane_esp_irq_pending(struct esp *esp) static u32 zorro_esp_dma_length_limit(struct esp *esp, u32 dma_addr, u32 dma_len) { - return dma_len > 0xFFFF ? 0xFFFF : dma_len; + return dma_len > (1U << 16) ? (1U << 16) : dma_len; +} + +static u32 fastlane_esp_dma_length_limit(struct esp *esp, u32 dma_addr, + u32 dma_len) +{ + /* The old driver used 0xfffc as limit, so do that here too */ + return dma_len > 0xfffc ? 0xfffc : dma_len; } static void zorro_esp_reset_dma(struct esp *esp) @@ -604,7 +611,7 @@ static const struct esp_driver_ops fastlane_esp_ops = { .esp_write8 = zorro_esp_write8, .esp_read8 = zorro_esp_read8, .irq_pending = fastlane_esp_irq_pending, - .dma_length_limit = zorro_esp_dma_length_limit, + .dma_length_limit = fastlane_esp_dma_length_limit, .reset_dma = zorro_esp_reset_dma, .dma_drain = zorro_esp_dma_drain, .dma_invalidate = fastlane_esp_dma_invalidate, @@ -794,7 +801,7 @@ static int zorro_esp_probe(struct zorro_dev *z, /* additional setup required for Fastlane */ if (zep->zorro3 && ent->driver_data == ZORRO_BLZ1230II) { /* map full address space up to ESP base for DMA */ - zep->board_base = ioremap_nocache(board, + zep->board_base = ioremap(board, FASTLANE_ESP_ADDR-1); if (!zep->board_base) { pr_err("Cannot allocate board address space\n"); @@ -809,7 +816,7 @@ static int zorro_esp_probe(struct zorro_dev *z, esp->ops = zdd->esp_ops; if (ioaddr > 0xffffff) - esp->regs = ioremap_nocache(ioaddr, 0x20); + esp->regs = ioremap(ioaddr, 0x20); else /* ZorroII address space remapped nocache by early startup */ esp->regs = ZTWO_VADDR(ioaddr); @@ -835,7 +842,7 @@ static int zorro_esp_probe(struct zorro_dev *z, * Only Fastlane Z3 for now - add switch for correct struct * dma_registers size if adding any more */ - esp->dma_regs = ioremap_nocache(dmaaddr, + esp->dma_regs = ioremap(dmaaddr, sizeof(struct fastlane_dma_registers)); } else /* ZorroII address space remapped nocache by early startup */ |
