mbox series

[v2,RESEND,0/2] i2c: aspeed: Late ack Tx done irqs and fix unhandled Tx done with NAK

Message ID 20231128075236.2724038-1-quan@os.amperecomputing.com
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Series i2c: aspeed: Late ack Tx done irqs and fix unhandled Tx done with NAK | expand

Message

Quan Nguyen Nov. 28, 2023, 7:52 a.m. UTC 
Rebase on the v6.7-rc3 and resend the series as per discussion at
https://lore.kernel.org/all/d0773df55a6fe8a5c9b1a3d7c8dd2e1343643272.camel@codeconstruct.com.au/

The prior discussion could be found at
https://lore.kernel.org/all/20210616031046.2317-1-quan@os.amperecomputing.com/

This series consists of two patches to fix the below issues observed
when testing with slave mode:
  + Unhandled Tx done with NAK
  + Early ack'ed of Tx done (ACK and NAK) causing "Unexpected Ack on
  read request".

v2:
  + Split these patches to separate series [Joel]
  + Added the Fixes lines [Joel]
  + Fixed multiline comment [Joel]
  + Refactor irq clearing code [Joel, Guenter]
  + Revised commit message [Joel, Quan]

v1:
  + These patches are first introduced from this disscusstion
https://lore.kernel.org/all/20210519074934.20712-1-quan@os.amperecomputing.com/

Quan Nguyen (2):
  i2c: aspeed: Fix unhandled Tx done with NAK
  i2c: aspeed: Acknowledge Tx done with and without ACK irq late

 drivers/i2c/busses/i2c-aspeed.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)