Re: [PATCH net-next v5 4/5] net: dsa: mxl862xx: recover switch stuck in MCUboot rescue mode
Andrew Lunn <[email protected]>
| Newsgroups | org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kernel.vger.netdev |
|---|---|
| Message-ID | <[email protected]> |
> +static int mxl862xx_sb_pdi_poll_drain(struct mxl862xx_priv *priv,
> + unsigned long timeout_ms)
> +{
> + unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
> + int ret;
> +
> + do {
> + ret = mxl862xx_smdio_read(priv, MXL862XX_SB_PDI_STAT);
> + if (ret < 0)
> + return ret;
> + if ((u16)ret == MXL862XX_SB_PDI_READY)
> + return MXL862XX_DRAIN_READY;
> + if ((u16)ret == 0)
> + return MXL862XX_DRAIN_FEED;
> + usleep_range(50, 150);
> + } while (time_before(jiffies, timeout));
Again, iopoll.h should be better.
Andrew