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H A Dpm8001_sas.cee05cb71 Tue Dec 28 05:17:53 CST 2021 Ajish Koshy <Ajish.Koshy@microchip.com> scsi: pm80xx: Port reset timeout error handling correction

Error handling steps were not in sequence as per the programmers
manual. Expected sequence:

- PHY_DOWN (PORT_IN_RESET)

- PORT_RESET_TIMER_TMO

- Host aborts pending I/Os

- Host deregister the device

- Host sends HW_EVENT_PHY_DOWN ACK

Previously we were sending HW_EVENT_PHY_DOWN ACK first and then deregister
the device. Fix this to use the expected sequence.

Link: https://lore.kernel.org/r/20211228111753.10802-1-Ajish.Koshy@microchip.com
Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

H A Dpm8001_sas.hee05cb71 Tue Dec 28 05:17:53 CST 2021 Ajish Koshy <Ajish.Koshy@microchip.com> scsi: pm80xx: Port reset timeout error handling correction

Error handling steps were not in sequence as per the programmers
manual. Expected sequence:

- PHY_DOWN (PORT_IN_RESET)

- PORT_RESET_TIMER_TMO

- Host aborts pending I/Os

- Host deregister the device

- Host sends HW_EVENT_PHY_DOWN ACK

Previously we were sending HW_EVENT_PHY_DOWN ACK first and then deregister
the device. Fix this to use the expected sequence.

Link: https://lore.kernel.org/r/20211228111753.10802-1-Ajish.Koshy@microchip.com
Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
H A Dpm80xx_hwi.cee05cb71 Tue Dec 28 05:17:53 CST 2021 Ajish Koshy <Ajish.Koshy@microchip.com> scsi: pm80xx: Port reset timeout error handling correction

Error handling steps were not in sequence as per the programmers
manual. Expected sequence:

- PHY_DOWN (PORT_IN_RESET)

- PORT_RESET_TIMER_TMO

- Host aborts pending I/Os

- Host deregister the device

- Host sends HW_EVENT_PHY_DOWN ACK

Previously we were sending HW_EVENT_PHY_DOWN ACK first and then deregister
the device. Fix this to use the expected sequence.

Link: https://lore.kernel.org/r/20211228111753.10802-1-Ajish.Koshy@microchip.com
Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>