Re: [PATCH net-next v8 0/4] net: Add Keystone NetCP ethernet driver support

[Murali Karicheri]

On 01/28/2015 11:49 AM, Murali Karicheri wrote:
> On 01/27/2015 05:28 PM, Arnd Bergmann wrote:
> > On Tuesday 20 January 2015 10:53:36 Murali Karicheri wrote:
> > > On 01/19/2015 03:11 PM, David Miller wrote:
> > > > From: Murali Karicheri<m-karicheri2@xxxxxx>
> > > > Date: Thu, 15 Jan 2015 19:10:03 -0500
> > > >
> > > > > The Network Coprocessor (NetCP) is a hardware accelerator that
> > > > > processes
> > > > > Ethernet packets. NetCP has a gigabit Ethernet (GbE) subsystem with
> > > > > a ethernet
> > > > > switch sub-module to send and receive packets. NetCP also includes
> > > > > a packet
> > > > > accelerator (PA) module to perform packet classification operations
> > > > > such as
> > > > > header matching, and packet modification operations such as checksum
> > > > > generation. NetCP can also optionally include a Security
> > > > > Accelerator(SA)
> > > > > capable of performing IPSec operations on ingress/egress packets.
> > > > >
> > > > > Keystone SoC's also have a 10 Gigabit Ethernet Subsystem (XGbE) which
> > > > > includes a 3-port Ethernet switch sub-module capable of 10Gb/s and
> > > > > 1Gb/s rates per Ethernet port.
> > > > >
> > > > > Both GBE and XGBE network processors supported using common driver. It
> > > > > is also designed to handle future variants of NetCP.
> > > >
> > > > Series applied to net-next, thanks.
> > > David,
> > >
> > > Thanks a lot for applying this series. This helps us move forward to
> > > work on the next set of patches.
> >
> > Hi Murali,
> >
> > Building an ARM 'allmodconfig' kernel now runs into two separate problems
> > from your driver:
> >
> > - you have two module_init() instances in one module, which conflict.
> >
> > - you have two files that are linked into more than one module, so
> > building
> > both TI_CPSW and TI_KEYSTONE_NETCP in the same kernel fails.
> >
> > The answer to both of these is probably to have separate loadable
> > modules,
> > but you might be able to come up with a different solution.
> Arnd,
>
> Thanks for letting us know. We will look into this.
>
> How do I reproduce this? Is there a defconfig used for allmodconfig? I
> am unable to find one. Any details to reproduce this will be useful.
Ok I think I found it.

I did this with next-next branch and it seems to work. I will make 
kernel build to reproduce this.

make ARCH=arm allmodconfig
make uImage;

I am building it now.

Murali
> Thanks.
>
> Murali
> > Arnd


--
Murali Karicheri
Linux Kernel, Texas Instruments
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