1 Dec
2022
1 Dec
'22
2:48 p.m.
As determined by experimentation and asking a hardware person, the FIFO in the Cadence IP is actually only 8 entries long, not 32. This is fixed in patch #1.
As a bonus, patches #2 and #3 fix two other things I noticed while debugging this.
Richard Fitzgerald (3): soundwire: cadence: Don't overflow the command FIFOs soundwire: cadence: Remove wasted space in response_buf soundwire: cadence: Drain the RX FIFO after an IO timeout
drivers/soundwire/cadence_master.c | 45 +++++++++++++++++++----------- drivers/soundwire/cadence_master.h | 2 +- 2 files changed, 29 insertions(+), 18 deletions(-)
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2.30.2