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modem: backend: uart_async: Remove UART flush

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The UART flush is not relevant for the async UART implementation.
UART drivers should handle this internally.

Signed-off-by: Bjarki Arge Andreasen <bjarki@arge-andreasen.me>
This commit is contained in:
Bjarki Arge Andreasen 2023-11-14 19:28:59 +01:00 committed by Carles Cufí
parent 6f1d49e7b3
commit 8128a726a4
1 changed files with 0 additions and 10 deletions
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10
subsys/modem/backends/modem_backend_uart_async.c
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@ -17,15 +17,6 @@ LOG_MODULE_DECLARE(modem_backend_uart);
#define MODEM_BACKEND_UART_ASYNC_STATE_RX_BUF0_USED_BIT (2)
#define MODEM_BACKEND_UART_ASYNC_STATE_RX_BUF1_USED_BIT (3)
static void modem_backend_uart_async_flush(struct modem_backend_uart *backend)
{
uint8_t c;
while (uart_fifo_read(backend->uart, &c, 1) > 0) {
continue;
}
}
static bool modem_backend_uart_async_is_closed(struct modem_backend_uart *backend)
{
if (!atomic_test_bit(&backend->async.state,
@ -142,7 +133,6 @@ static int modem_backend_uart_async_open(void *data)
int ret;
atomic_set(&backend->async.state, 0);
modem_backend_uart_async_flush(backend);
ring_buf_reset(&backend->async.receive_rb);
/* Reserve receive buffer 0 */