[PATCH v4 6/6] i3c: master: svc: fix random hot join failure since timeout error

Miquel Raynal miquel.raynal at bootlin.com
Mon Oct 23 12:10:28 PDT 2023


Hi Frank,

Frank.Li at nxp.com wrote on Mon, 23 Oct 2023 12:16:58 -0400:

> master side report:
>   silvaco-i3c-master 44330000.i3c-master: Error condition: MSTATUS 0x020090c7, MERRWARN 0x00100000
> 
> BIT 20: TIMEOUT error
>   The module has stalled too long in a frame. This happens when:
>   - The TX FIFO or RX FIFO is not handled and the bus is stuck in the
> middle of a message,
>   - No STOP was issued and between messages,
>   - IBI manual is used and no decision was made.
>   The maximum stall period is 100 μs.
> 
> This can be considered as being just a warning as the system IRQ latency
> can easily be greater than 100us.
> 
> Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver")
> Cc: stable at vger.kernel.org
> Signed-off-by: Frank Li <Frank.Li at nxp.com>

Reviewed-by: Miquel Raynal <miquel.raynal at bootlin.com>

Thanks,
Miquèl



More information about the linux-i3c mailing list