linux-kernel - Re: [PATCH v26 20/33] ASoC: qcom: qdsp6: q6afe: Increase APR timeout

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Message-ID: <edf2eb3b-e573-465c-b6d0-58bcca5079db@linux.intel.com>
Date: Fri, 30 Aug 2024 11:13:08 +0200
From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To: Wesley Cheng <quic_wcheng@...cinc.com>, srinivas.kandagatla@...aro.org,
 mathias.nyman@...el.com, perex@...ex.cz, conor+dt@...nel.org,
 dmitry.torokhov@...il.com, corbet@....net, broonie@...nel.org,
 lgirdwood@...il.com, tiwai@...e.com, krzk+dt@...nel.org,
 Thinh.Nguyen@...opsys.com, bgoswami@...cinc.com, robh@...nel.org,
 gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
 linux-sound@...r.kernel.org, linux-input@...r.kernel.org,
 linux-usb@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-doc@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v26 20/33] ASoC: qcom: qdsp6: q6afe: Increase APR timeout



On 8/29/24 21:40, Wesley Cheng wrote:
> For USB offloading situations, the AFE port start command will result in a
> QMI handshake between the Q6DSP and the main processor.  Depending on if
> the USB bus is suspended, this routine would require more time to complete,
> as resuming the USB bus has some overhead associated with it.  Increase the
> timeout to 3s to allow for sufficient time for the USB QMI stream enable
> handshake to complete.
> 
> Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Signed-off-by: Wesley Cheng <quic_wcheng@...cinc.com>

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>

> ---
>  sound/soc/qcom/qdsp6/q6afe.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
> index 3ee6ff8a6bc3..b5b2af2ce50c 100644
> --- a/sound/soc/qcom/qdsp6/q6afe.c
> +++ b/sound/soc/qcom/qdsp6/q6afe.c
> @@ -366,7 +366,7 @@
>  #define AFE_API_VERSION_SLOT_MAPPING_CONFIG	1
>  #define AFE_API_VERSION_CODEC_DMA_CONFIG	1
>  
> -#define TIMEOUT_MS 1000
> +#define TIMEOUT_MS 3000
>  #define AFE_CMD_RESP_AVAIL	0
>  #define AFE_CMD_RESP_NONE	1
>  #define AFE_CLK_TOKEN		1024