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From: Wesley Cheng <quic_wcheng@quicinc.com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	Rob Herring <robh@kernel.org>
Cc: <srinivas.kandagatla@linaro.org>, <mathias.nyman@intel.com>,
	<perex@perex.cz>, <broonie@kernel.org>, <lgirdwood@gmail.com>,
	<krzysztof.kozlowski+dt@linaro.org>, <agross@kernel.org>,
	<Thinh.Nguyen@synopsys.com>, <bgoswami@quicinc.com>,
	<andersson@kernel.org>, <gregkh@linuxfoundation.org>,
	<tiwai@suse.com>, <linux-kernel@vger.kernel.org>,
	<linux-arm-msm@vger.kernel.org>, <alsa-devel@alsa-project.org>,
	<devicetree@vger.kernel.org>, <linux-usb@vger.kernel.org>,
	<quic_jackp@quicinc.com>, <quic_plai@quicinc.com>
Subject: Re: [PATCH v3 11/28] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters definition
Date: Tue, 29 Aug 2023 00:50:51 -0700	[thread overview]
Message-ID: <c6a5b214-7812-25a4-c23c-8e57c0efe3fd@quicinc.com> (raw)
In-Reply-To: <e2b2f268-182a-5ba4-2541-f0a401eda1c8@linaro.org>



On 8/29/2023 12:42 AM, Krzysztof Kozlowski wrote:
> On 29/08/2023 09:19, Wesley Cheng wrote:
>>>>
>>>> This is a XHCI feature, but the DWC3 design is built in a way that DWC3
>>>> host initializes the XHCI device and populates the properties associated
>>>> to XHCI dev.
>>>
>>> You speak about driver now, not bindings. If driver has limitations,
>>> change it. Not really problem of bindings.
>>>
>>
>> Its the limitation of the HW.  Depending on how the SNPS DWC3 controller
>> was implemented the vendor it can support less than the value mentioned
>> in the Synopsys databook.
> 
> Then what is "XHCI dev"? A Linux device? Then a driver topic. What is
> "populates the properties" - what or whose properties? Of Linux device?
> Then a driver topic...
> 

I will reword it to using XHCI host controller versus using terms like 
device and properties for the next rev.

Thanks
Wesley Cheng

  reply	other threads:[~2023-08-29  7:52 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-08 23:57 [PATCH v3 00/28] Introduce QC USB SND audio offloading support Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 01/28] xhci: Add support to allocate several interrupters Wesley Cheng
2023-03-09 10:34   ` Oliver Neukum
2023-03-09 10:51   ` Takashi Iwai
2023-03-10 15:07   ` Mathias Nyman
2023-03-13 20:08     ` Wesley Cheng
2023-04-25  1:17       ` Wesley Cheng
2023-03-13 20:32     ` Wesley Cheng
2023-06-23 22:37       ` Wesley Cheng
2023-06-26 13:55         ` Mathias Nyman
2023-06-26 15:05           ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 02/28] usb: xhci: Add XHCI APIs to support USB offloading Wesley Cheng
2023-03-09  6:38   ` Greg KH
2023-03-09 19:51     ` Wesley Cheng
2023-03-10 12:17   ` Claudiu.Beznea
2023-03-08 23:57 ` [PATCH v3 03/28] usb: host: xhci-mem: Cleanup pending secondary event ring events Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 04/28] ASoC: Add SOC USB APIs for adding an USB backend Wesley Cheng
2023-03-09  6:41   ` Greg KH
2023-03-08 23:57 ` [PATCH v3 05/28] ASoC: dt-bindings: qcom,q6dsp-lpass-ports: Add USB_RX port Wesley Cheng
2023-03-09  9:00   ` Srinivas Kandagatla
2023-03-08 23:57 ` [PATCH v3 06/28] ASoC: qcom: qdsp6: Introduce USB AFE port to q6dsp Wesley Cheng
2023-03-09  9:01   ` Srinivas Kandagatla
2023-03-08 23:57 ` [PATCH v3 07/28] ASoC: qdsp6: q6afe: Increase APR timeout Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 08/28] ASoC: qcom: Add USB backend ASoC driver for Q6 Wesley Cheng
2023-03-09  9:01   ` Srinivas Kandagatla
2023-03-09 19:38     ` Wesley Cheng
2023-03-10  7:21       ` Srinivas Kandagatla
2023-03-25  1:15         ` Wesley Cheng
2023-03-10 12:22   ` Claudiu.Beznea
2023-03-08 23:57 ` [PATCH v3 09/28] sound: usb: card: Introduce USB SND platform op callbacks Wesley Cheng
2023-03-09  6:44   ` Greg KH
2023-03-09 14:10     ` Takashi Iwai
2023-03-09 11:16   ` Oliver Neukum
2023-03-08 23:57 ` [PATCH v3 10/28] sound: usb: Export USB SND APIs for modules Wesley Cheng
2023-03-09  6:29   ` Greg KH
2023-03-08 23:57 ` [PATCH v3 11/28] dt-bindings: usb: dwc3: Add snps,num-hc-interrupters definition Wesley Cheng
2023-03-10  8:50   ` Krzysztof Kozlowski
2023-03-11 13:40   ` Rob Herring
2023-08-29  2:05     ` Wesley Cheng
2023-08-29  6:33       ` Krzysztof Kozlowski
2023-08-29  7:19         ` Wesley Cheng
2023-08-29  7:42           ` Krzysztof Kozlowski
2023-08-29  7:50             ` Wesley Cheng [this message]
2023-03-08 23:57 ` [PATCH v3 12/28] usb: dwc3: Add DT parameter to specify maximum number of interrupters Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 13/28] usb: host: xhci-plat: Set XHCI max interrupters if property is present Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 14/28] sound: usb: pcm: Export fixed rate check USB SND API Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 15/28] sound: usb: Introduce QC USB SND offloading support Wesley Cheng
2023-03-09  8:29   ` Takashi Sakamoto
2023-03-09 17:54   ` Pierre-Louis Bossart
2023-03-08 23:57 ` [PATCH v3 16/28] sound: usb: card: Check for support for requested audio format Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 17/28] sound: soc: soc-usb: Add PCM format check API for USB backend Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 18/28] sound: soc: qcom: qusb6: Ensure PCM format is supported by USB audio device Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 19/28] sound: usb: Prevent starting of audio stream if in use Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 20/28] ASoC: dt-bindings: Add Q6USB backend bindings Wesley Cheng
2023-03-10  8:54   ` Krzysztof Kozlowski
2023-06-23  0:15     ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 21/28] ASoC: dt-bindings: Update example for enabling USB offload on SM8250 Wesley Cheng
2023-03-10  8:56   ` Krzysztof Kozlowski
2023-06-23  0:51     ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 22/28] ASoC: qcom: qdsp6: q6afe: Split USB AFE dev_token param into separate API Wesley Cheng
2023-03-09  9:01   ` Srinivas Kandagatla
2023-03-09 19:39     ` Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 23/28] sound: Pass USB SND card and PCM information to SOC USB Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 24/28] sound: soc: qdsp6: Add SND kcontrol to select offload device Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 25/28] sound: soc: qdsp6: Add SND kcontrol for fetching offload status Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 26/28] sound: usb: qc_audio_offload: Use card and PCM index from QMI request Wesley Cheng
2023-03-08 23:57 ` [PATCH v3 27/28] sound: usb: card: Allow for rediscovery of connected USB SND devices Wesley Cheng
2023-03-09 11:32   ` Oliver Neukum
2023-03-08 23:57 ` [PATCH v3 28/28] sound: soc: soc-usb: Rediscover USB SND devices on USB port add Wesley Cheng
2023-03-09  6:46 ` [PATCH v3 00/28] Introduce QC USB SND audio offloading support Greg KH
2023-03-09 17:13 ` Pierre-Louis Bossart
2023-03-09 21:10   ` Wesley Cheng
2023-03-10  0:37     ` Pierre-Louis Bossart
2023-03-13 23:43       ` Wesley Cheng
2023-03-14  0:42         ` Pierre-Louis Bossart
2023-03-14  1:42           ` Wesley Cheng
2023-03-14  2:22             ` Pierre-Louis Bossart
2023-03-15  0:08               ` Wesley Cheng
2023-03-15 14:30                 ` Pierre-Louis Bossart
2023-03-15 16:29                   ` Mark Brown
2023-03-15 19:42                   ` Wesley Cheng

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