Re: [PATCH net-next v2 1/7] net: dsa: vsc73xx: use read_poll_timeout instead delay loop

[Andrew Lunn]

On Sun, Jun 25, 2023 at 01:53:36PM +0200, Pawel Dembicki wrote:
> This commit switches delay loop to read_poll_timeout macro durring
> Arbiter empty check in adjust link function.
> 
> As Russel King suggested:
> 
> "This [change] avoids the issue that on the last iteration, the code reads
> the register, test it, find the condition that's being waiting for is
> false, _then_ waits and end up printing the error message - that last
> wait is rather useless, and as the arbiter state isn't checked after
> waiting, it could be that we had success during the last wait."
> 
> It also remove one short msleep delay.
> 
> Suggested-by: Russell King <linux@xxxxxxxxxxxxxxx>
> Signed-off-by: Pawel Dembicki <paweldembicki@xxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew