linux-kernel - Re: [PATCH net-next v7 1/6] net: marvell: prestera: Add driver for Prestera family ASIC devices

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Date:   Thu, 10 Sep 2020 11:25:12 +0300
From:   Vadym Kochan <vadym.kochan@...ision.eu>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Andrew Lunn <andrew@...n.ch>,
        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>,
        netdev <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Mickey Rachamim <mickeyr@...vell.com>
Subject: Re: [PATCH net-next v7 1/6] net: marvell: prestera: Add driver for
 Prestera family ASIC devices

On Fri, Sep 04, 2020 at 10:12:07PM +0300, Andy Shevchenko wrote:
> On Fri, Sep 4, 2020 at 7:52 PM Vadym Kochan <vadym.kochan@...ision.eu> wrote:
> >
> > Marvell Prestera 98DX326x integrates up to 24 ports of 1GbE with 8
> > ports of 10GbE uplinks or 2 ports of 40Gbps stacking for a largely
> > wireless SMB deployment.
> >
> > The current implementation supports only boards designed for the Marvell
> > Switchdev solution and requires special firmware.
> >
> > The core Prestera switching logic is implemented in prestera_main.c,
> > there is an intermediate hw layer between core logic and firmware. It is
> > implemented in prestera_hw.c, the purpose of it is to encapsulate hw
> > related logic, in future there is a plan to support more devices with
> > different HW related configurations.
> >
> > This patch contains only basic switch initialization and RX/TX support
> > over SDMA mechanism.
> >
> > Currently supported devices have DMA access range <= 32bit and require
> > ZONE_DMA to be enabled, for such cases SDMA driver checks if the skb
> > allocated in proper range supported by the Prestera device.
> >
> > Also meanwhile there is no TX interrupt support in current firmware
> > version so recycling work is scheduled on each xmit.
> >
> > Port's mac address is generated from the switch base mac which may be
> > provided via device-tree (static one or as nvme cell), or randomly
> > generated. This is required by the firmware.
> 
> ...
> 
[SNIP]
> ...
> 
> > +               .param = {.admin_state = admin_state}
> 
> + white spaces? Whatever you choose, just be consistent among all
> similar definitions.
> 

Can I use following format for one-liner embedded struct ?

	.param = {
		.admin_state = admin_state,
	}
> ...
> 

I think it looks better when all of the members filled looks similar
(even if it requires 2 additional lines) instead of having:

    .member = { E } ?

[SNIP]