[v4.2] drivers: i2c: stm32: build error when using DMAs with st,stm32-i2c-v2 driver #95724
Description
Describe the bug
When building a application embedding STM32 I2C v2 driver using DMAs on Zephyr 4.2, the build fails due to a missing header file inclusion in that driver header file.
The issue was introduced before v4.2 tag (24b4ce1) and fixed afterward: #95681.
The fix should be backported the v4.2-branch.
Regression
- This is a regression.
Steps to reproduce
west build -b stm32f072b_disco tests/drivers/i2c/i2c_target_api -- -DCONFIG_I2C_STM32_V2_DMA=y
Relevant log output
.../drivers/i2c/i2c_ll_stm32_v2.c: In function 'i2c_stm32_msg_write':
.../drivers/i2c/i2c_ll_stm32_v2.c:679:14: warning: implicit declaration of function 'stm32_buf_in_nocache' [-Wimplicit-function-declaration]
679 | if (!stm32_buf_in_nocache((uintptr_t)msg->buf, msg->len)) {
| ^~~~~~~~~~~~~~~~~~~~Impact
Annoyance – Minor irritation; no significant impact on usability or functionality.
Environment
- OS: any
- Toolchain: any
Additional Context
No response