[PATCH net-next,v2] net: ethernet: mediatek: ppe: fix busy wait loop
Andrew Lunn
andrew at lunn.ch
Fri Apr 16 01:27:49 BST 2021
On Thu, Apr 15, 2021 at 05:11:48PM -0700, Ilya Lipnitskiy wrote:
> The intention is for the loop to timeout if the body does not succeed.
> The current logic calls time_is_before_jiffies(timeout) which is false
> until after the timeout, so the loop body never executes.
>
> Fix by using readl_poll_timeout as a more standard and less error-prone
> solution.
>
> Fixes: ba37b7caf1ed ("net: ethernet: mtk_eth_soc: add support for initializing the PPE")
> Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy at gmail.com>
> Cc: Felix Fietkau <nbd at nbd.name>
Reviewed-by: Andrew Lunn <andrew at lunn.ch>
Andrew
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