uart driver: Remove unnecessary xSemaphoreGive()

avoid unnecessary call of xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);

Merges https://github.com/espressif/esp-idf/pull/1387
This commit is contained in:
Alexey Morozov 2017-12-14 19:04:12 +01:00 committed by Angus Gratton
parent c401a74bfb
commit 25b8642835

View file

@ -858,7 +858,6 @@ static int uart_tx_all(uart_port_t uart_num, const char* src, size_t size, bool
offset += send_size;
uart_enable_tx_intr(uart_num, 1, UART_EMPTY_THRESH_DEFAULT);
}
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
} else {
while(size) {
//semaphore for tx_fifo available