summary refs log tree commit diff stats
diff options
context:
space:
mode:
authorFinn Thain <fthain@telegraphics.com.au>2020-01-29 20:27:49 +1100
committerJason Wang <jasowang@redhat.com>2020-03-03 18:04:47 +0800
commita3cce2825a0b12bb717a5106daaca245557cc9ae (patch)
tree91b62e8f0b6369d8469fcaabe9ac0e7433f7c223
parent5b0c98fcb7ac006bd8efe0e0fecba52c43a9d028 (diff)
downloadfocaccia-qemu-a3cce2825a0b12bb717a5106daaca245557cc9ae.tar.gz
focaccia-qemu-a3cce2825a0b12bb717a5106daaca245557cc9ae.zip
dp8393x: Clear RRRA command register bit only when appropriate
It doesn't make sense to clear the command register bit unless the
command was actually issued.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Jason Wang <jasowang@redhat.com>
-rw-r--r--hw/net/dp8393x.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/hw/net/dp8393x.c b/hw/net/dp8393x.c
index 960462397e..b5a9c6ac0f 100644
--- a/hw/net/dp8393x.c
+++ b/hw/net/dp8393x.c
@@ -352,9 +352,6 @@ static void dp8393x_do_read_rra(dp8393xState *s)
         s->regs[SONIC_ISR] |= SONIC_ISR_RBE;
         dp8393x_update_irq(s);
     }
-
-    /* Done */
-    s->regs[SONIC_CR] &= ~SONIC_CR_RRRA;
 }
 
 static void dp8393x_do_software_reset(dp8393xState *s)
@@ -565,8 +562,10 @@ static void dp8393x_do_command(dp8393xState *s, uint16_t command)
         dp8393x_do_start_timer(s);
     if (command & SONIC_CR_RST)
         dp8393x_do_software_reset(s);
-    if (command & SONIC_CR_RRRA)
+    if (command & SONIC_CR_RRRA) {
         dp8393x_do_read_rra(s);
+        s->regs[SONIC_CR] &= ~SONIC_CR_RRRA;
+    }
     if (command & SONIC_CR_LCAM)
         dp8393x_do_load_cam(s);
 }