diff mbox series

[1/2] slimbus: stream: handle unsupported bitrates for presence rate

Message ID 20220930092006.85982-1-krzysztof.kozlowski@linaro.org
State Superseded
Headers show
Series [1/2] slimbus: stream: handle unsupported bitrates for presence rate | expand

Commit Message

Krzysztof Kozlowski Sept. 30, 2022, 9:20 a.m. UTC
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>
---
 drivers/slimbus/stream.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

Comments

Konrad Dybcio Sept. 30, 2022, 9:32 a.m. UTC | #1
On 30.09.2022 11:20, 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>

Konrad
>  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 f8eade1e0132..28fbecb3907d 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;
>  
>  	pr_err("%s:%d AAAA\n", __func__, __LINE__);
>  	if (rt->ports) {
> @@ -222,6 +222,13 @@ 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 -EINVAL;
> +	}
> +
>  	if (cfg->rate % ctrl->a_framer->superfreq) {
>  		/*
>  		 * data rate not exactly multiple of super frame,
> @@ -242,7 +249,7 @@ 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;
Konrad Dybcio Sept. 30, 2022, 9:43 a.m. UTC | #2
On 30.09.2022 11:42, Krzysztof Kozlowski wrote:
> On 30/09/2022 11:20, 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>
>> ---
>>  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 f8eade1e0132..28fbecb3907d 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;
>>  
>>  	pr_err("%s:%d AAAA\n", __func__, __LINE__);
> 
> The context is from development tree. I'll rebase and send a v2.
I somehow didn't think it's out of the ordinary heh, my r-b still stands
for the changes.

Konrad
> 
> 
> Best regards,
> Krzysztof
>
diff mbox series

Patch

diff --git a/drivers/slimbus/stream.c b/drivers/slimbus/stream.c
index f8eade1e0132..28fbecb3907d 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;
 
 	pr_err("%s:%d AAAA\n", __func__, __LINE__);
 	if (rt->ports) {
@@ -222,6 +222,13 @@  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 -EINVAL;
+	}
+
 	if (cfg->rate % ctrl->a_framer->superfreq) {
 		/*
 		 * data rate not exactly multiple of super frame,
@@ -242,7 +249,7 @@  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;