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bt: remove muldiv64() 

Originally, timers were ticks based, and it made sense to
add ticks to current time to know when to trigger an alarm.

But since commit:

7447545 change all other clock references to use nanosecond resolution accessors

All timers use nanoseconds and we need to convert ticks to nanoseconds.

As get_ticks_per_sec() is 10^9,

    a = muldiv64(b, get_ticks_per_sec(), 100);
    y = muldiv64(x, get_ticks_per_sec(), 1000000);

can be converted to

    a = b * 10000000;
    y = x * 1000;

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Laurent Vivier 2015-08-25 17:19:57 +02:00
parent 0a4f9240f5
commit fdfea124f9
1 changed files with 2 additions and 2 deletions
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4
hw/bt/hci.c
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@ -595,7 +595,7 @@ static void bt_hci_inquiry_result(struct bt_hci_s *hci,
static void bt_hci_mod_timer_1280ms(QEMUTimer *timer, int period)
{
timer_mod(timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
muldiv64(period << 7, get_ticks_per_sec(), 100));
(uint64_t)(period << 7) * 10000000);
}
static void bt_hci_inquiry_start(struct bt_hci_s *hci, int length)
@ -1099,7 +1099,7 @@ static int bt_hci_mode_change(struct bt_hci_s *hci, uint16_t handle,
bt_hci_event_status(hci, HCI_SUCCESS);
timer_mod(link->acl_mode_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
muldiv64(interval * 625, get_ticks_per_sec(), 1000000));
((uint64_t)interval * 625) * 1000);
bt_hci_lmp_mode_change_master(hci, link->link, mode, interval);
return 0;