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SubjectRe: [PATCH 03/16] soundwire: cadence: add interface to check clock status
On 13-03-20, 11:31, Pierre-Louis Bossart wrote:
>
>
> > > +/**
> > > + * sdw_cdns_is_clock_stop: Check clock status
> > > + *
> > > + * @cdns: Cadence instance
> > > + */
> > > +bool sdw_cdns_is_clock_stop(struct sdw_cdns *cdns)
> > > +{
> > > + u32 status;
> > > +
> > > + status = cdns_readl(cdns, CDNS_MCP_STAT) & CDNS_MCP_STAT_CLK_STOP;
> > > + if (status) {
> > > + dev_dbg(cdns->dev, "Clock is stopped\n");
> > > + return true;
> > > + }
> >
> > This can be further optimized to:
> >
> > return !!(cdns_readl(cdns, CDNS_MCP_STAT) & CDNS_MCP_STAT_CLK_STOP);
>
> The logs are very useful for debug.

You have this log also in caller function.

--
~Vinod

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