linux-kernel - RE: [PATCH net-next v17 12/13] realtek: Update the Makefile and Kconfig in the realtek folder

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Message-ID: <1470b2c0983442fcb5078ca510aade35@realtek.com>
Date: Tue, 7 May 2024 09:44:14 +0000
From: Justin Lai <justinlai0215@...ltek.com>
To: Simon Horman <horms@...nel.org>
CC: "kuba@...nel.org" <kuba@...nel.org>,
        "davem@...emloft.net"
	<davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>,
        "andrew@...n.ch" <andrew@...n.ch>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        Ping-Ke Shih <pkshih@...ltek.com>, Larry Chiu <larry.chiu@...ltek.com>
Subject: RE: [PATCH net-next v17 12/13] realtek: Update the Makefile and Kconfig in the realtek folder

> On Thu, May 02, 2024 at 05:18:46PM +0800, Justin Lai wrote:
> > 1. Add the RTASE entry in the Kconfig.
> > 2. Add the CONFIG_RTASE entry in the Makefile.
> >
> > Signed-off-by: Justin Lai <justinlai0215@...ltek.com>
> > ---
> >  drivers/net/ethernet/realtek/Kconfig  | 17 +++++++++++++++++
> > drivers/net/ethernet/realtek/Makefile |  1 +
> >  2 files changed, 18 insertions(+)
> >
> > diff --git a/drivers/net/ethernet/realtek/Kconfig
> > b/drivers/net/ethernet/realtek/Kconfig
> > index 93d9df55b361..57ef924deebd 100644
> > --- a/drivers/net/ethernet/realtek/Kconfig
> > +++ b/drivers/net/ethernet/realtek/Kconfig
> > @@ -113,4 +113,21 @@ config R8169
> >         To compile this driver as a module, choose M here: the module
> >         will be called r8169.  This is recommended.
> >
> > +config RTASE
> > +     tristate "Realtek Automotive Switch
> 9054/9068/9072/9075/9068/9071 PCIe Interface support"
> > +     depends on PCI
> > +     select CRC32
> 
> Hi Justin,
> 
> I believe that you also need:
> 
>         select PAGE_POOL
> 
> As the driver uses page_pool_alloc_pages()
> 
> FWIIW, I observed this when using a config based on make tinyconfig with PCI
> and NET enabled, all WiFi drivers disabled, and only and only this Ethernet
> driver enabled.
> 
> > +     help
> > +       Say Y here if you have a Realtek Ethernet adapter belonging to
> > +       the following families:
> > +       RTL9054 5GBit Ethernet
> > +       RTL9068 5GBit Ethernet
> > +       RTL9072 5GBit Ethernet
> > +       RTL9075 5GBit Ethernet
> > +       RTL9068 5GBit Ethernet
> > +       RTL9071 5GBit Ethernet
> > +
> > +       To compile this driver as a module, choose M here: the module
> > +       will be called rtase. This is recommended.
> 
> The advice above to chose Y and M seem to conflict.
> Perhaps this can be edited somehow.
> 

Hi Simon,
I would like to ask if it would be clearer if I changed it to the following?

config RTASE
	tristate "Realtek Automotive Switch 9054/9068/9072/9075/9068/9071 PCIe Interface support"
	depends on PCI
	select CRC32
	select PAGE_POOL
	help
	  Say Y here and it will be compiled and linked with the kernel
	  if you have a Realtek Ethernet adapter belonging to the
	  following families:
	  RTL9054 5GBit Ethernet
	  RTL9068 5GBit Ethernet
	  RTL9072 5GBit Ethernet
	  RTL9075 5GBit Ethernet
	  RTL9068 5GBit Ethernet
	  RTL9071 5GBit Ethernet
 
	  To compile this driver as a module, choose M here: the module
	  will be called rtase. This is recommended.
> > +
> >  endif # NET_VENDOR_REALTEK
> > diff --git a/drivers/net/ethernet/realtek/Makefile
> > b/drivers/net/ethernet/realtek/Makefile
> > index 2e1d78b106b0..0c1c16f63e9a 100644
> > --- a/drivers/net/ethernet/realtek/Makefile
> > +++ b/drivers/net/ethernet/realtek/Makefile
> > @@ -8,3 +8,4 @@ obj-$(CONFIG_8139TOO) += 8139too.o
> >  obj-$(CONFIG_ATP) += atp.o
> >  r8169-objs += r8169_main.o r8169_firmware.o r8169_phy_config.o
> >  obj-$(CONFIG_R8169) += r8169.o
> > +obj-$(CONFIG_RTASE) += rtase/
> > --
> > 2.34.1
> >
> >