| Message ID | 20220930100015.259106-1-krzysztof.kozlowski@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/2] slimbus: stream: handle unsupported bitrates for presence rate | expand |
On 30/09/2022 11:00, Krzysztof Kozlowski wrote: > Handle errors of getting presence rate for unsupported stream bitrate, > instead of sending -EINVAL in change content message. > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Reviewed-by: Konrad Dybcio <konrad.dybcio@somainline.org> > > --- Applied both, thanks, --srini > > Changes since v1: > 1. Rebase (drop development pieces in the context). > 2. Return prrate (which has errno) instead of -EINVAL. > 3. Add Rb tag. > --- > drivers/slimbus/stream.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/slimbus/stream.c b/drivers/slimbus/stream.c > index d5ce974e880b..f631d5ed9809 100644 > --- a/drivers/slimbus/stream.c > +++ b/drivers/slimbus/stream.c > @@ -204,7 +204,7 @@ int slim_stream_prepare(struct slim_stream_runtime *rt, > { > struct slim_controller *ctrl = rt->dev->ctrl; > struct slim_port *port; > - int num_ports, i, port_id; > + int num_ports, i, port_id, prrate; > > if (rt->ports) { > dev_err(&rt->dev->dev, "Stream already Prepared\n"); > @@ -221,6 +221,13 @@ int slim_stream_prepare(struct slim_stream_runtime *rt, > rt->bps = cfg->bps; > rt->direction = cfg->direction; > > + prrate = slim_get_prate_code(cfg->rate); > + if (prrate < 0) { > + dev_err(&rt->dev->dev, "Cannot get presence rate for rate %d Hz\n", > + cfg->rate); > + return prrate; > + } > + > if (cfg->rate % ctrl->a_framer->superfreq) { > /* > * data rate not exactly multiple of super frame, > @@ -241,7 +248,7 @@ int slim_stream_prepare(struct slim_stream_runtime *rt, > port = &rt->ports[i]; > port->state = SLIM_PORT_DISCONNECTED; > port->id = port_id; > - port->ch.prrate = slim_get_prate_code(cfg->rate); > + port->ch.prrate = prrate; > port->ch.id = cfg->chs[i]; > port->ch.data_fmt = SLIM_CH_DATA_FMT_NOT_DEFINED; > port->ch.aux_fmt = SLIM_CH_AUX_FMT_NOT_APPLICABLE;
diff --git a/drivers/slimbus/stream.c b/drivers/slimbus/stream.c index d5ce974e880b..f631d5ed9809 100644 --- a/drivers/slimbus/stream.c +++ b/drivers/slimbus/stream.c @@ -204,7 +204,7 @@ int slim_stream_prepare(struct slim_stream_runtime *rt, { struct slim_controller *ctrl = rt->dev->ctrl; struct slim_port *port; - int num_ports, i, port_id; + int num_ports, i, port_id, prrate; if (rt->ports) { dev_err(&rt->dev->dev, "Stream already Prepared\n"); @@ -221,6 +221,13 @@ int slim_stream_prepare(struct slim_stream_runtime *rt, rt->bps = cfg->bps; rt->direction = cfg->direction; + prrate = slim_get_prate_code(cfg->rate); + if (prrate < 0) { + dev_err(&rt->dev->dev, "Cannot get presence rate for rate %d Hz\n", + cfg->rate); + return prrate; + } + if (cfg->rate % ctrl->a_framer->superfreq) { /* * data rate not exactly multiple of super frame, @@ -241,7 +248,7 @@ int slim_stream_prepare(struct slim_stream_runtime *rt, port = &rt->ports[i]; port->state = SLIM_PORT_DISCONNECTED; port->id = port_id; - port->ch.prrate = slim_get_prate_code(cfg->rate); + port->ch.prrate = prrate; port->ch.id = cfg->chs[i]; port->ch.data_fmt = SLIM_CH_DATA_FMT_NOT_DEFINED; port->ch.aux_fmt = SLIM_CH_AUX_FMT_NOT_APPLICABLE;