Masayuki Ishikawa c024b414f8 arch: cxd56xx: Introduce driver-specific spinlock in cxd56_serial.c
Summary:
- This commit introduces driver-specific spinlock in cxd56_serial.c
  to improve performance

Impact:
- SMP only

Testing:
- Tested with spresense:wifi and spresense:wifi_smp

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
2021-02-09 11:29:18 -08:00
..
2021-02-02 18:41:39 -08:00