diff options
| -rw-r--r-- | drivers/scsi/zorro_esp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/scsi/zorro_esp.c b/drivers/scsi/zorro_esp.c index be79127db594..6a5b547eae59 100644 --- a/drivers/scsi/zorro_esp.c +++ b/drivers/scsi/zorro_esp.c @@ -245,7 +245,14 @@ 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) @@ -818,7 +825,7 @@ static const struct esp_driver_ops fastlane_esp_ops = { .unmap_single = zorro_esp_unmap_single, .unmap_sg = zorro_esp_unmap_sg, .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, |