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timer okl4: remove deprecated const_cast

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Ref #2400
This commit is contained in:
Martin Stein 2017-06-23 13:49:53 +02:00 committed by Norman Feske
parent 61f59818d3
commit 8d2ee6d040
1 changed files with 2 additions and 9 deletions
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11
repos/os/src/drivers/timer/pit/time_source.cc
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@ -70,16 +70,9 @@ Duration Timer::Time_source::curr_time()
{ {
uint32_t passed_ticks; uint32_t passed_ticks;
/* /* read PIT count and status */
* Read PIT count and status
*
* Reading the PIT registers via port I/O is a non-const operation.
* Since 'curr_time' is declared as const, however, we need to
* explicitly override the const-ness of the 'this' pointer.
*/
bool wrapped; bool wrapped;
uint16_t const curr_counter = uint16_t const curr_counter = _read_counter(&wrapped);
const_cast<Time_source *>(this)->_read_counter(&wrapped);
/* determine the time since we looked at the counter */ /* determine the time since we looked at the counter */
if (wrapped && !_handled_wrap) { if (wrapped && !_handled_wrap) {