aboutsummaryrefslogtreecommitdiff
path: root/hw
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 /hw
parent5b0c98fcb7ac006bd8efe0e0fecba52c43a9d028 (diff)
downloadqemu-a3cce2825a0b12bb717a5106daaca245557cc9ae.zip
qemu-a3cce2825a0b12bb717a5106daaca245557cc9ae.tar.gz
qemu-a3cce2825a0b12bb717a5106daaca245557cc9ae.tar.bz2
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>
Diffstat (limited to 'hw')
-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 9604623..b5a9c6a 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);
}