From: Jack Pham <jackp@codeaurora.org>
To: Wesley Cheng <wcheng@codeaurora.org>
Cc: balbi@kernel.org, gregkh@linuxfoundation.org, robh+dt@kernel.org,
agross@kernel.org, bjorn.andersson@linaro.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
peter.chen@nxp.com
Subject: Re: [PATCH v6 1/4] usb: gadget: udc: core: Introduce check_config to verify USB configuration
Date: Thu, 21 Jan 2021 21:17:43 -0800 [thread overview]
Message-ID: <20210122051743.GE31406@jackp-linux.qualcomm.com> (raw)
In-Reply-To: <1611288100-31118-2-git-send-email-wcheng@codeaurora.org>
Hi Wesley,
On Thu, Jan 21, 2021 at 08:01:37PM -0800, Wesley Cheng wrote:
> Some UDCs may have constraints on how many high bandwidth endpoints it can
> support in a certain configuration. This API allows for the composite
> driver to pass down the total number of endpoints to the UDC so it can verify
> it has the required resources to support the configuration.
>
> Signed-off-by: Wesley Cheng <wcheng@codeaurora.org>
> ---
> drivers/usb/gadget/udc/core.c | 9 +++++++++
> include/linux/usb/gadget.h | 2 ++
> 2 files changed, 11 insertions(+)
>
> diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
> index 4173acd..469962f 100644
> --- a/drivers/usb/gadget/udc/core.c
> +++ b/drivers/usb/gadget/udc/core.c
> @@ -1003,6 +1003,15 @@ int usb_gadget_ep_match_desc(struct usb_gadget *gadget,
> }
> EXPORT_SYMBOL_GPL(usb_gadget_ep_match_desc);
>
> +int usb_gadget_check_config(struct usb_gadget *gadget, unsigned long ep_map)
You should probably add a kernel-doc for this function.
Jack
--
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2021-01-22 5:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-22 4:01 [PATCH v6 0/4] Re-introduce TX FIFO resize for larger EP bursting Wesley Cheng
2021-01-22 4:01 ` [PATCH v6 1/4] usb: gadget: udc: core: Introduce check_config to verify USB configuration Wesley Cheng
2021-01-22 5:17 ` Jack Pham [this message]
2021-01-26 1:01 ` Wesley Cheng
2021-01-22 16:24 ` Alan Stern
2021-01-26 1:02 ` Wesley Cheng
2021-01-22 4:01 ` [PATCH v6 2/4] usb: gadget: configfs: Check USB configuration before adding Wesley Cheng
2021-01-22 4:01 ` [PATCH v6 3/4] usb: dwc3: Resize TX FIFOs to meet EP bursting requirements Wesley Cheng
2021-01-22 17:12 ` Bjorn Andersson
2021-01-26 1:14 ` Wesley Cheng
2021-01-26 1:55 ` Bjorn Andersson
2021-01-26 4:32 ` Wesley Cheng
2021-01-26 5:15 ` Bjorn Andersson
2021-01-28 23:08 ` Wesley Cheng
2021-01-23 0:15 ` Thinh Nguyen
2021-01-26 9:51 ` Wesley Cheng
2021-01-26 20:43 ` Thinh Nguyen
2021-01-26 23:26 ` Wesley Cheng
2021-01-27 1:47 ` Thinh Nguyen
2021-01-22 4:01 ` [PATCH v6 4/4] arm64: boot: dts: qcom: sm8150: Enable dynamic TX FIFO resize logic Wesley Cheng
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