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Update uart.c #1387

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Update uart.c #1387

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1 change: 0 additions & 1 deletion components/driver/uart.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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
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