To skip the style issue:
Error: /home/runner/work/nuttx/nuttx/nuttx/arch/arm/src/phy62xx/irq.c:194:5: error: Mixed case identifier found
Error: /home/runner/work/nuttx/nuttx/nuttx/arch/arm/src/phy62xx/irq.c:196:5: error: Mixed case identifier found
Error: /home/runner/work/nuttx/nuttx/nuttx/arch/arm/src/phy62xx/irq.c:199:5: error: Mixed case identifier found
Error: /home/runner/work/nuttx/nuttx/nuttx/arch/arm/src/phy62xx/phyplus_wdt.c:61:28: error: Mixed case identifier found
Error: /home/runner/work/nuttx/nuttx/nuttx/arch/arm/src/phy62xx/phyplus_wdt.c:104:2: error: Mixed case identifier found
Error: /home/runner/work/nuttx/nuttx/nuttx/arch/arm/src/phy62xx/phyplus_wdt.c:162:50: error: Mixed case identifier found
Signed-off-by: wangzhi16 <wangzhi16@xiaomi.com>