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imx_fec: Refactor imx_eth_enable_rx()

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Refactor imx_eth_enable_rx() to have more meaningfull variable name
than 'tmp' and to reduce number of logical negations done.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Cc: yurovsky@gmail.com
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Andrey Smirnov 2018-01-11 13:25:35 +00:00 committed by Peter Maydell
parent 1fdde6537e
commit a6383e99ff
1 changed files with 4 additions and 4 deletions
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8
hw/net/imx_fec.c
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@ -536,19 +536,19 @@ static void imx_eth_do_tx(IMXFECState *s)
static void imx_eth_enable_rx(IMXFECState *s)
{
IMXFECBufDesc bd;
bool tmp;
bool rx_ring_full;
imx_fec_read_bd(&bd, s->rx_descriptor);
tmp = ((bd.flags & ENET_BD_E) != 0);
rx_ring_full = !(bd.flags & ENET_BD_E);
if (!tmp) {
if (rx_ring_full) {
FEC_PRINTF("RX buffer full\n");
} else if (!s->regs[ENET_RDAR]) {
qemu_flush_queued_packets(qemu_get_queue(s->nic));
}
s->regs[ENET_RDAR] = tmp ? ENET_RDAR_RDAR : 0;
s->regs[ENET_RDAR] = rx_ring_full ? 0 : ENET_RDAR_RDAR;
}
static void imx_eth_reset(DeviceState *d)