Re: [PATCH v2 0/3] soundwire: cadence: Fix oversized FIFO size define

[Pierre-Louis Bossart]

On 12/2/22 10:18, Richard Fitzgerald wrote:
> 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.
> 
> Changes since v1:
> - Rewrite commit message of patch #1
> - Only reduce response_buf to 34 (32 + 2)
> - Trim RX_FIFO_AVAIL to length of response_buf instead of expected
>   FIFO size

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

> 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 | 46 +++++++++++++++++++-----------
>  drivers/soundwire/cadence_master.h | 13 ++++++++-
>  2 files changed, 41 insertions(+), 18 deletions(-)
>