1. 2020-05-16 Re: [PATCH v2 6/7] serial: 8250: Support separate rs4 linux-ker Lukas Wunner 2. 2020-05-16 Re: [PATCH v2 6/7] serial: 8250: Support separate rs4 linux-ser Lukas Wunner 3. 2020-03-30 Re: [PATCH v2 6/7] serial: 8250: Support separate rs4 linux-ker Andy Shevchenko 4. 2020-03-30 Re: [PATCH v2 6/7] serial: 8250: Support separate rs4 linux-ser Andy Shevchenko 5. 2020-03-25 [PATCH v2 6/7] serial: 8250: Support separate rs485 r linux-ker Heiko Stuebner 6. 2020-03-25 [PATCH v2 6/7] serial: 8250: Support separate rs485 r linux-ser Heiko Stuebner