void uart_poweroff(uart_t uart)
{
assert(uart < UART_NUMOF);
periph_clk_dis(uart_config[uart].bus, uart_config[uart].rcc_mask);
#ifdef STM32_PM_STOP
if (isr_ctx[uart].rx_cb) {
pm_unblock(STM32_PM_STOP);
}
#endif
}
void rq_finish(struct request *rq)
{
if (rq->proc) {
if (rq->blocked)
pm_unblock(rq->proc);
sc_late_result(rq->proc, (dword)rq->result);
}
else if (rq->func) {
rq->func(rq->file, rq->result, rq->buffer, rq->buflen);
}
kfree(rq);
}
int i2c_release(i2c_t dev)
{
assert(dev < I2C_NUMOF);
periph_clk_dis(i2c_config[dev].bus, i2c_config[dev].rcc_mask);
#ifdef STM32_PM_STOP
/* unblock STOP mode */
pm_unblock(STM32_PM_STOP);
#endif
mutex_unlock(&locks[dev]);
return 0;
}
