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drivers: serial: pipe: init device at compile time and check if ready

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Initialize UART pipe device at compile time, allowing to constify the
device pointer. Also fix device ready check (was checking for NULL, an
always true condition when using DEVICE_DT_GET).

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2022-08-17 13:23:21 +02:00 • committed by Carles Cufí
commit f9ab078dd0
1 changed files with 3 additions and 4 deletions
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7
drivers/serial/uart_pipe.c
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@ -21,7 +21,8 @@ LOG_MODULE_REGISTER(uart_pipe);
#include <zephyr/drivers/uart_pipe.h>
#include <zephyr/sys/printk.h>
static const struct device *uart_pipe_dev;
static const struct device *const uart_pipe_dev =
DEVICE_DT_GET(DT_CHOSEN(zephyr_uart_pipe));
static uint8_t *recv_buf;
static size_t recv_buf_len;
@ -98,9 +99,7 @@ void uart_pipe_register(uint8_t *buf, size_t len, uart_pipe_recv_cb cb)
recv_buf_len = len;
app_cb = cb;
uart_pipe_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_uart_pipe));
if (uart_pipe_dev != NULL) {
if (device_is_ready(uart_pipe_dev)) {
uart_pipe_setup(uart_pipe_dev);
}
}