linux-kernel - Re: [PATCH 2/2] Add parport support for Asix device 99100

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Date:   Sun, 7 Aug 2022 08:24:44 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Alexander Baehr <abaehr@...dl.org>
Cc:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] Add parport support for Asix device 99100

On Sat, Aug 06, 2022 at 01:31:26PM +0200, Alexander Baehr wrote:
> For some reason, Asix decided to produce a parallel port that is fully
> compatible with Netmos device 9900, but named it 99100. It obviously has
> another vendor ID, but the device ID is the same. This patch adds the 
> required settings and was successfully tested with the Asix device. 
> 
> Signed-off-by: Alexander Baehr <abaehr@...dl.org>
> ---
>  drivers/parport/parport_pc.c |    4 ++++
>  include/linux/pci_ids.h      |    3 +++
>  2 files changed, 7 insertions(+)
> 
> Index: linux/drivers/parport/parport_pc.c
> ===================================================================
> --- linux.orig/drivers/parport/parport_pc.c
> +++ linux/drivers/parport/parport_pc.c
> @@ -2612,6 +2612,7 @@ enum parport_pc_pci_cards {
>  	netmos_9815,
>  	netmos_9901,
>  	netmos_9865,
> +	asix_ax99100,
>  	quatech_sppxp100,
>  	wch_ch382l,
>  };
> @@ -2766,6 +2767,9 @@ static const struct pci_device_id parpor
>  	  0xA000, 0x1000, 0, 0, netmos_9865 },
>  	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
>  	  0xA000, 0x2000, 0, 0, netmos_9865 },
> +	/* Asix AX99100 Parallel port PCIExpressCard */
> +	{ PCI_VENDOR_ID_ASIX, PCI_DEVICE_ID_AX99100,
> +	  0xA000, 0x2000, 0, 0, netmos_9900 },
>  	/* Quatech SPPXP-100 Parallel port PCI ExpressCard */
>  	{ PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_SPPXP_100,
>  	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 },
> Index: linux/include/linux/pci_ids.h
> ===================================================================
> --- linux.orig/include/linux/pci_ids.h
> +++ linux/include/linux/pci_ids.h
> @@ -3108,4 +3108,7 @@
>  
>  #define PCI_VENDOR_ID_NCUBE		0x10ff
>  
> +#define PCI_VENDOR_ID_ASIX		0x125b
> +#define PCI_DEVICE_ID_AX99100		0x9100

Please read the top of this file for why we shouldn't be added new
entries to it.

thanks,

greg k-h