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hw/net/lan9118.c: Switch to transaction-based ptimer API

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Switch the cmsdk-apb-watchdog code away from bottom-half based
ptimers to the new transaction-based ptimer API.  This just requires
adding begin/commit calls around the various places that modify the
ptimer state, and using the new ptimer_init() function to create the
timer.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20191008171740.9679-22-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2019-10-08 18:17:40 +01:00
parent 8c9dbc6236
commit 88e4bd672e
1 changed files with 7 additions and 4 deletions
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11
hw/net/lan9118.c
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@ -21,7 +21,6 @@
#include "hw/ptimer.h"
#include "hw/qdev-properties.h"
#include "qemu/log.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
/* For crc32 */
#include <zlib.h>
@ -450,8 +449,10 @@ static void lan9118_reset(DeviceState *d)
s->e2p_data = 0;
s->free_timer_start = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) / 40;
ptimer_transaction_begin(s->timer);
ptimer_stop(s->timer);
ptimer_set_count(s->timer, 0xffff);
ptimer_transaction_commit(s->timer);
s->gpt_cfg = 0xffff;
s->mac_cr = MAC_CR_PRMS;
@ -1100,6 +1101,7 @@ static void lan9118_writel(void *opaque, hwaddr offset,
break;
case CSR_GPT_CFG:
if ((s->gpt_cfg ^ val) & GPT_TIMER_EN) {
ptimer_transaction_begin(s->timer);
if (val & GPT_TIMER_EN) {
ptimer_set_count(s->timer, val & 0xffff);
ptimer_run(s->timer, 0);
@ -1107,6 +1109,7 @@ static void lan9118_writel(void *opaque, hwaddr offset,
ptimer_stop(s->timer);
ptimer_set_count(s->timer, 0xffff);
}
ptimer_transaction_commit(s->timer);
}
s->gpt_cfg = val & (GPT_TIMER_EN | 0xffff);
break;
@ -1328,7 +1331,6 @@ static void lan9118_realize(DeviceState *dev, Error **errp)
{
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
lan9118_state *s = LAN9118(dev);
QEMUBH *bh;
int i;
const MemoryRegionOps *mem_ops =
s->mode_16bit ? &lan9118_16bit_mem_ops : &lan9118_mem_ops;
@ -1349,10 +1351,11 @@ static void lan9118_realize(DeviceState *dev, Error **errp)
s->pmt_ctrl = 1;
s->txp = &s->tx_packet;
bh = qemu_bh_new(lan9118_tick, s);
s->timer = ptimer_init_with_bh(bh, PTIMER_POLICY_DEFAULT);
s->timer = ptimer_init(lan9118_tick, s, PTIMER_POLICY_DEFAULT);
ptimer_transaction_begin(s->timer);
ptimer_set_freq(s->timer, 10000);
ptimer_set_limit(s->timer, 0xffff, 1);
ptimer_transaction_commit(s->timer);
}
static Property lan9118_properties[] = {