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From: Greg KH <gregkh@linuxfoundation.org>
To: Wesley Cheng <wcheng@codeaurora.org>
Cc: robh+dt@kernel.org, frowand.list@gmail.com, balbi@kernel.org,
	agross@kernel.org, bjorn.andersson@linaro.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	jackp@codeaurora.org, fntoth@gmail.com
Subject: Re: [PATCH v13 3/6] usb: dwc3: Resize TX FIFOs to meet EP bursting requirements
Date: Fri, 9 Jul 2021 07:41:23 +0200	[thread overview]
Message-ID: <YOfhg9FK8y72A/mw@kroah.com> (raw)
In-Reply-To: <1625790474-8376-4-git-send-email-wcheng@codeaurora.org>

On Thu, Jul 08, 2021 at 05:27:51PM -0700, Wesley Cheng wrote:
> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
> index dccdf13..dd985ba 100644
> --- a/drivers/usb/dwc3/core.h
> +++ b/drivers/usb/dwc3/core.h
> @@ -1023,6 +1023,7 @@ struct dwc3_scratchpad_array {
>   * @rx_max_burst_prd: max periodic ESS receive burst size
>   * @tx_thr_num_pkt_prd: periodic ESS transmit packet count
>   * @tx_max_burst_prd: max periodic ESS transmit burst size
> + * @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize
>   * @hsphy_interface: "utmi" or "ulpi"
>   * @connected: true when we're connected to a host, false otherwise
>   * @delayed_status: true when gadget driver asks for delayed status
> @@ -1079,6 +1080,11 @@ struct dwc3_scratchpad_array {
>   * @dis_split_quirk: set to disable split boundary.
>   * @imod_interval: set the interrupt moderation interval in 250ns
>   *			increments or 0 to disable.
> + * @max_cfg_eps: current max number of IN eps used across all USB configs.
> + * @last_fifo_depth: last fifo depth used to determine next fifo ram start
> + *		     address.
> + * @num_ep_resized: carries the current number endpoints which have had its tx
> + *		    fifo resized.
>   */
>  struct dwc3 {
>  	struct work_struct	drd_work;
> @@ -1233,6 +1239,7 @@ struct dwc3 {
>  	u8			rx_max_burst_prd;
>  	u8			tx_thr_num_pkt_prd;
>  	u8			tx_max_burst_prd;
> +	u8			tx_fifo_resize_max_num;
>  
>  	const char		*hsphy_interface;
>  
> @@ -1246,6 +1253,7 @@ struct dwc3 {
>  	unsigned		is_utmi_l1_suspend:1;
>  	unsigned		is_fpga:1;
>  	unsigned		pending_events:1;
> +	unsigned		do_fifo_resize:1;
>  	unsigned		pullups_connected:1;
>  	unsigned		setup_packet_pending:1;
>  	unsigned		three_stage_setup:1;
> @@ -1281,6 +1289,10 @@ struct dwc3 {
>  	unsigned		dis_split_quirk:1;
>  
>  	u16			imod_interval;
> +
> +	int			max_cfg_eps;
> +	int			last_fifo_depth;
> +	int			num_ep_resized;
>  };
>  

You document 4 new variables being added, but add 5 variables to the
structure.  Something is out of sync :(

  reply	other threads:[~2021-07-09  5:41 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-09  0:27 [PATCH v13 0/6] Re-introduce TX FIFO resize for larger EP bursting Wesley Cheng
2021-07-09  0:27 ` [PATCH v13 1/6] usb: gadget: udc: core: Introduce check_config to verify USB configuration Wesley Cheng
2021-07-09  0:27 ` [PATCH v13 2/6] usb: gadget: configfs: Check USB configuration before adding Wesley Cheng
2021-07-09  0:27 ` [PATCH v13 3/6] usb: dwc3: Resize TX FIFOs to meet EP bursting requirements Wesley Cheng
2021-07-09  5:41   ` Greg KH [this message]
2021-07-09  0:27 ` [PATCH v13 4/6] of: Add stub for of_add_property() Wesley Cheng
2021-07-09  0:27 ` [PATCH v13 5/6] usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default Wesley Cheng
2021-07-09  0:27 ` [PATCH v13 6/6] dt-bindings: usb: dwc3: Update dwc3 TX fifo properties Wesley Cheng

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