netdev - Re: [RFC next-next v2 2/5] net: marvell: prestera: Add PCI interface support

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Date:   Thu, 28 May 2020 12:29:42 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Mickey Rachamim <mickeyr@...vell.com>
Cc:     Vadym Kochan <vadym.kochan@...ision.eu>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Oleksandr Mazur <oleksandr.mazur@...ision.eu>,
        Serhiy Boiko <serhiy.boiko@...ision.eu>,
        Serhiy Pshyk <serhiy.pshyk@...ision.eu>,
        Volodymyr Mytnyk <volodymyr.mytnyk@...ision.eu>,
        Taras Chornyi <taras.chornyi@...ision.eu>,
        Andrii Savka <andrii.savka@...ision.eu>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Andrew Lunn <andrew@...n.ch>,
        Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Subject: Re: [RFC next-next v2 2/5] net: marvell: prestera: Add PCI interface
 support

Wed, May 27, 2020 at 02:01:39PM CEST, mickeyr@...vell.com wrote:
>Hi Vadym, Jiri,
>
>> 
>> Hi Jiri,
>> 
>> On Wed, May 27, 2020 at 07:53:05AM +0200, Jiri Pirko wrote:
>> > Tue, May 26, 2020 at 06:26:44PM CEST, vadym.kochan@...ision.eu wrote:
>> > >On Mon, May 11, 2020 at 01:23:46PM +0200, Jiri Pirko wrote:
>> > >> Fri, May 01, 2020 at 01:20:49AM CEST, vadym.kochan@...ision.eu wrote:
>> > >> >Add PCI interface driver for Prestera Switch ASICs family devices, 
>> > >> >which
>> > >> >provides:
>> > >
>> > >[...]
>> > >> 
>> > >> This looks very specific. Is is related to 0xC804?
>> > >> 
>> > >Sorry, I missed this question. But I am not sure I got it.
>> > 
>> > Is 0xC804 pci id of "Prestera AC3x 98DX326x"? If so and in future you 
>> > add support for another chip/revision to this driver, the name 
>> > "Prestera AC3x 98DX326x" would be incorrect. I suggest to use some 
>> > more generic name, like "Prestera".
>> 
>> We are planning to support addition devices within the same family of 'Prestera AC3x' and therefore "Prestera AC3x 98DX32xx" is mentioned.
>> Additional families also up-coming: "Prestera ALD2 98DX84xx"
>> 
>
>Vadym, Please attention we changed 98DX326x --> 98DX32xx
>
>Jiri, the 'Prestera" family includes several sub device families. 
>we think we need to be more accurate with the actual devices that are supported.

Sure, that is why I think that the name should be probably more generic
as prestera_pci_devices is eventually going to contain more pci ids for
more chips of the same family


> 
>> > 
>> > 
>> > 
>> > >
>> > >> 
>> > >> >+	.id_table = prestera_pci_devices,
>> > >> >+	.probe    = prestera_pci_probe,
>> > >> >+	.remove   = prestera_pci_remove,
>> > >> >+};
>> > >> >+
>> > >> >+static int __init prestera_pci_init(void) {
>> > >> >+	return pci_register_driver(&prestera_pci_driver);
>> > >> >+}
>> > >> >+
>> > >> >+static void __exit prestera_pci_exit(void) {
>> > >> >+	pci_unregister_driver(&prestera_pci_driver);
>> > >> >+}
>> > >> >+
>> > >> >+module_init(prestera_pci_init);
>> > >> >+module_exit(prestera_pci_exit);
>> > >> >+
>> > >> >+MODULE_AUTHOR("Marvell Semi.");
>> > >> 
>> > >> Author is you, not a company.
>> > >> 
>> > >> 
>> > >> >+MODULE_LICENSE("Dual BSD/GPL");
>> > >> >+MODULE_DESCRIPTION("Marvell Prestera switch PCI interface");
>> > >> >--
>> > >> >2.17.1
>> > >> >
>>