From: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>

Implement bytewise write handling for DSA register instead of using
the macro, as NetBSD driver accesses it byte by byte.

Signed-off-by: Soumyajyotii Ssarkar <soumyajyotisarkar23@gmail.com>
Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Helge Deller <deller@gmx.de>
---
 hw/scsi/ncr53c710.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/hw/scsi/ncr53c710.c b/hw/scsi/ncr53c710.c
index dd453991e0..0ea1fc43a3 100644
--- a/hw/scsi/ncr53c710.c
+++ b/hw/scsi/ncr53c710.c
@@ -2078,7 +2078,21 @@ static void ncr710_reg_writeb(NCR710State *s, int offset, uint8_t val)
         /* Linux writes to these readonly registers on startup */
         return;
 
-    CASE_SET_REG32(dsa, NCR710_DSA_REG)
+    case NCR710_DSA_REG:
+        s->dsa &= 0xffffff00;
+        s->dsa |= val;
+        break;
+    case NCR710_DSA_REG + 1:
+        s->dsa &= 0xffff00ff;
+        s->dsa |= val << 8;
+        break;
+    case NCR710_DSA_REG + 2:
+        s->dsa &= 0xff00ffff;
+        s->dsa |= val << 16;
+        break;
+    case NCR710_DSA_REG + 3:
+        s->dsa &= 0x00ffffff;
+        s->dsa |= val << 24;
         break;
 
     case NCR710_CTEST0_REG: /* CTEST0 */
-- 
2.52.0