linux-kernel - Re: [PATCH 1/4] usb: misc: onboard-hub: resort by VID and PID

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Date:   Wed, 21 Jun 2023 17:59:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Benjamin Bara <bbara93@...il.com>
Cc:     Matthias Kaehlcke <mka@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Benjamin Bara <benjamin.bara@...data.com>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 1/4] usb: misc: onboard-hub: resort by VID and PID

On Wed, Jun 21, 2023 at 12:38:00PM +0200, Benjamin Bara wrote:
> From: Benjamin Bara <benjamin.bara@...data.com>
> 
> Resort the existing entries by VID and then by PID to be able to find
> entries easier.
> 
> Signed-off-by: Benjamin Bara <benjamin.bara@...data.com>
> ---
>  drivers/usb/misc/onboard_usb_hub.c | 12 ++++++------
>  drivers/usb/misc/onboard_usb_hub.h |  8 ++++----
>  2 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
> index 12fc6eb67c3b..94006714c273 100644
> --- a/drivers/usb/misc/onboard_usb_hub.c
> +++ b/drivers/usb/misc/onboard_usb_hub.c
> @@ -329,10 +329,10 @@ static struct platform_driver onboard_hub_driver = {
>  
>  /************************** USB driver **************************/
>  
> -#define VENDOR_ID_GENESYS	0x05e3
>  #define VENDOR_ID_MICROCHIP	0x0424
> -#define VENDOR_ID_REALTEK	0x0bda
>  #define VENDOR_ID_TI		0x0451
> +#define VENDOR_ID_GENESYS	0x05e3
> +#define VENDOR_ID_REALTEK	0x0bda
>  #define VENDOR_ID_VIA		0x2109

This is fine, but:

>  
>  /*
> @@ -407,16 +407,16 @@ static void onboard_hub_usbdev_disconnect(struct usb_device *udev)
>  }
>  
>  static const struct usb_device_id onboard_hub_id_table[] = {
> -	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0608) }, /* Genesys Logic GL850G USB 2.0 */
> -	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0610) }, /* Genesys Logic GL852G USB 2.0 */
>  	{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2514) }, /* USB2514B USB 2.0 */
>  	{ USB_DEVICE(VENDOR_ID_MICROCHIP, 0x2517) }, /* USB2517 USB 2.0 */
> +	{ USB_DEVICE(VENDOR_ID_TI, 0x8140) }, /* TI USB8041 3.0 */
> +	{ USB_DEVICE(VENDOR_ID_TI, 0x8142) }, /* TI USB8041 2.0 */
> +	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0608) }, /* Genesys Logic GL850G USB 2.0 */
> +	{ USB_DEVICE(VENDOR_ID_GENESYS, 0x0610) }, /* Genesys Logic GL852G USB 2.0 */
>  	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0411) }, /* RTS5411 USB 3.1 */
>  	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5411) }, /* RTS5411 USB 2.1 */
>  	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x0414) }, /* RTS5414 USB 3.2 */
>  	{ USB_DEVICE(VENDOR_ID_REALTEK, 0x5414) }, /* RTS5414 USB 2.1 */
> -	{ USB_DEVICE(VENDOR_ID_TI, 0x8140) }, /* TI USB8041 3.0 */
> -	{ USB_DEVICE(VENDOR_ID_TI, 0x8142) }, /* TI USB8041 2.0 */
>  	{ USB_DEVICE(VENDOR_ID_VIA, 0x0817) }, /* VIA VL817 3.1 */
>  	{ USB_DEVICE(VENDOR_ID_VIA, 0x2817) }, /* VIA VL817 2.0 */
>  	{}

This does nothing except make backports harder over time :(



> diff --git a/drivers/usb/misc/onboard_usb_hub.h b/drivers/usb/misc/onboard_usb_hub.h
> index aca5f50eb0da..ff8925aa6d3a 100644
> --- a/drivers/usb/misc/onboard_usb_hub.h
> +++ b/drivers/usb/misc/onboard_usb_hub.h
> @@ -14,10 +14,6 @@ static const struct onboard_hub_pdata microchip_usb424_data = {
>  	.reset_us = 1,
>  };
>  
> -static const struct onboard_hub_pdata realtek_rts5411_data = {
> -	.reset_us = 0,
> -};
> -
>  static const struct onboard_hub_pdata ti_tusb8041_data = {
>  	.reset_us = 3000,
>  };
> @@ -30,6 +26,10 @@ static const struct onboard_hub_pdata genesys_gl852g_data = {
>  	.reset_us = 50,
>  };
>  
> +static const struct onboard_hub_pdata realtek_rts5411_data = {
> +	.reset_us = 0,
> +};

And this also does nothing to help really, so it's not needed, sorry.

thanks,

greg k-h