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dp8393x: Clear RRRA command register bit only when appropriate

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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>
This commit is contained in:
Finn Thain
2020-03-03 18:04:47 +08:00
committed by Jason Wang
parent 5b0c98fcb7
commit a3cce2825a
1 changed files with 3 additions and 4 deletions
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hw/net/dp8393x.c
+3 -4
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@@ -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);
}