linux-kernel - Re: [PATCH v2] USB: Serial: cypress_M8: Enable Simply Automated UPB PIM

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Date:   Mon, 22 Jun 2020 10:53:21 +0200
From:   Johan Hovold <johan@...nel.org>
To:     James Hilliard <james.hilliard1@...il.com>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v2] USB: Serial: cypress_M8: Enable Simply Automated UPB
 PIM

On Tue, Jun 16, 2020 at 04:04:03PM -0600, James Hilliard wrote:
> This is a UPB(Universal Powerline Bus) PIM(Powerline Interface Module)
> which allows for controlling multiple UPB compatible devices from
> Linux using the standard serial interface.
> 
> Based on vendor application source code there are two different models
> of USB based PIM devices in addition to a number of RS232 based PIM's.
> 
> The vendor UPB application source contains the following USB ID's:
> #define USB_PCS_VENDOR_ID 0x04b4
> #define USB_PCS_PIM_PRODUCT_ID 0x5500
> 
> #define USB_SAI_VENDOR_ID 0x17dd
> #define USB_SAI_PIM_PRODUCT_ID 0x5500
> 
> The first set of ID's correspond to the PIM variant sold by Powerline
> Control Systems while the second corresponds to the Simply Automated
> Incorporated PIM. As the product ID for both of these match the default
> cypress HID->COM RS232 product ID it assumed that they both use an
> internal variant of this HID->COM RS232 converter hardware. However
> as the vendor ID for the Simply Automated variant is different we need
> to also add it to the cypress_M8 driver so that it is properly
> detected.
> 
> Signed-off-by: James Hilliard <james.hilliard1@...il.com>
> ---
> Changes v1 -> v2:
>   - Add more detailed commit message.

Now applied, thanks.

Would you mind posting the output of "lsusb -v" for this device for
completeness?

Johan