use small lock in following files

[hujun260]

Summary

use small lock in following files

arch/xtensa/src/esp32s3/esp32s3_rtc_lowerhalf.c
arch/z16/src/z16f/z16f_serial.c
arch/z80/src/z8/z8_serial.c
boards/arm/max326xx/max32660-evsys/src/max326_button.c boards/arm/stm32/stm32f4discovery/src/stm32_gs2200m.c drivers/i2c/i2c_bitbang.c
drivers/power/supply/act8945a.c
drivers/serial/uart_pci_16550.c
drivers/serial/uart_pl011.c
drivers/wireless/bluetooth/bt_uart_shim.c

Impact

arch/xtensa/src/esp32s3/esp32s3_rtc_lowerhalf.c
arch/z16/src/z16f/z16f_serial.c
arch/z80/src/z8/z8_serial.c
boards/arm/max326xx/max32660-evsys/src/max326_button.c boards/arm/stm32/stm32f4discovery/src/stm32_gs2200m.c drivers/i2c/i2c_bitbang.c
drivers/power/supply/act8945a.c
drivers/serial/uart_pci_16550.c
drivers/serial/uart_pl011.c
drivers/wireless/bluetooth/bt_uart_shim.c

Testing

ci

[nuttxpr]

[Experimental Bot, please feedback here]

This PR appears to partially meet the NuttX requirements, but needs more information.

Missing/Insufficient Information:

• Summary: "use small lock" is vague. Why are these changes necessary? What problem does it solve? What kind of "small lock" is being used (e.g., a spinlock, mutex, semaphore)? Explain the rationale behind using this lock. Provide a high-level overview of how the code is changed (e.g., "Replaced mutex with spinlock in interrupt handler for performance reasons"). Include relevant NuttX issue numbers if applicable.
• Impact: Just listing the files modified is not enough. Address each impact question specifically. For example:
  • User Impact: Likely NO, but explain why. Does this change behavior in a way the user might notice?
  • Build Impact: Likely NO, but confirm. Are any new dependencies introduced?
  • Hardware Impact: Specify affected architectures and boards. Does this change driver behavior or add support for new hardware?
  • Documentation Impact: Do any documentation updates need to be made to reflect these changes?
  • Security Impact: Does using a different locking mechanism have security implications? Justify your answer.
  • Compatibility Impact: Are there any backward compatibility concerns? Does this affect interoperability with other systems or software?
• Testing: "ci" is not sufficient. Provide details about your local setup (OS, compiler, etc.) and the target hardware used for testing. Include actual testing logs (even if brief) showing the behavior before and after the change. Demonstrate that the changes work as intended and don't introduce regressions. Ideally, the tests should exercise the code paths where the locking mechanisms are used.

Example of Improved Impact Section:

• Impact:
  • User Impact: NO. This change is internal and should not affect user-visible behavior.
  • Build Impact: NO. No changes to the build system are required.
  • Hardware Impact: YES. This change affects the following:
    • ARM: max326xx/max32660-evsys, stm32/stm32f4discovery
    • Xtensa: esp32s3
    • Z16: z16f
    • Z80: z8
    • PCI 16550 UART
    • PL011 UART
  • Documentation Impact: NO. No documentation updates are required for this internal change.
  • Security Impact: Potentially YES. Switching to a spinlock could lead to priority inversion if not handled carefully. However, we have ensured that... [explain mitigation].
  • Compatibility Impact: NO. This change maintains backward compatibility.

By providing more detail and addressing all the required points, the PR will be much easier to review and merge.