[PATCH] i2c: aspeed: fix master pending state handling
Jae Hyun Yoo
jae.hyun.yoo at linux.intel.com
Fri Oct 11 05:22:36 AEDT 2019
> Acked-by: Joel Stanley <joel at jms.id.au>
> While reviewing I was concerned about the locking in
> aspeed_i2c_master_xfer. It's a bit hairy, and I am not convinced it is
> without bugs.
The locking was already in there in aspeed_i2c_master_xfer but it
unlocks the protection to make a waiting for a completion. This code
is after the waiting so I added the locking to protect
'bus->master_state' variable which can be accessed from driver context
and from interrupt context.
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