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SubjectRe: 2.6.19-rc6-mm1: drivers/net/chelsio/: unused code
On Tue, Feb 20, 2007 at 01:31:32PM -0800, Stephen Hemminger wrote:
> On Tue, 20 Feb 2007 01:02:14 +0100
> Adrian Bunk <bunk@stusta.de> wrote:
>
> > On Tue, Nov 28, 2006 at 11:47:19PM -0800, Andrew Morton wrote:
> > > On Wed, 29 Nov 2006 08:36:09 +0100
> > > Adrian Bunk <bunk@stusta.de> wrote:
> > >
> > > > On Mon, Nov 27, 2006 at 10:24:55AM -0800, Stephen Hemminger wrote:
> > > > > On Fri, 24 Nov 2006 01:17:31 +0100
> > > > > Adrian Bunk <bunk@stusta.de> wrote:
> > > > >
> > > > > > On Thu, Nov 23, 2006 at 02:17:03AM -0800, Andrew Morton wrote:
> > > > > > >...
> > > > > > > Changes since 2.6.19-rc5-mm2:
> > > > > > >...
> > > > > > > +chelsio-22-driver.patch
> > > > > > >...
> > > > > > > netdev updates
> > > > > >
> > > > > > It is suspicious that the following newly added code is completely unused:
> > > > > > drivers/net/chelsio/ixf1010.o
> > > > > > t1_ixf1010_ops
> > > > > > drivers/net/chelsio/mac.o
> > > > > > t1_chelsio_mac_ops
> > > > > > drivers/net/chelsio/vsc8244.o
> > > > > > t1_vsc8244_ops
> > > > > >
> > > > > > cu
> > > > > > Adrian
> > > > > >
> > > > >
> > > > > All that is gone in later version. I reposted new patches
> > > > > after -mm2 was done.
> > > >
> > > > It seems these patches didn't make it into 2.6.19-rc6-mm2 ?
> > >
> > > I dropped that patch and picked up Francois's tree instead.
> >
> > These structs are still both present and unused as of 2.6.20-mm1.
>
> Please use your eyes, not your tool. Those functions are called in 2.6.20


My eyes tell me:


> static struct cmac *ixf1010_mac_create(adapter_t *adapter, int index)
> {
> ...
> mac->ops = &ixf1010_ops;


ixf1010_ops != t1_ixf1010_ops


> static struct cmac *mac_create(adapter_t *adapter, int index)
> {
> ...
>
> mac->ops = &chelsio_mac_ops;


chelsio_mac_ops != t1_chelsio_mac_ops


> mac_create gets called by
>
> int __devinit t1_init_sw_modules(adapter_t *adapter,
> const struct board_info *bi)
> {
>
> for_each_port(adapter, i) {
> u8 hw_addr[6];
> struct cmac *mac;
> int phy_addr = bi->mdio_phybaseaddr + i;
>
> adapter->port[i].phy = bi->gphy->create(adapter, phy_addr,
> bi->mdio_ops);


No, since t1_chelsio_mac_ops isn't used anywhere and mac_create() isn't
referenced except from t1_chelsio_mac_ops.


cu
Adrian

BTW: It's not my tool, the script behind "make namespacecheck" was
written by Keith Owens.

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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