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dsa: Hide core config options; make drivers select what they need

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Commit 82167cb8c6 ('net: dsa/slave: Fix
compilation warnings') fixed one possible invalid configuration
(NET_DSA enabled with no trailer formats) but added others: drivers
can select NET_DSA without its dependencies being met.

It's not very useful to make either the DSA core or the tagging
formats manually selectable without a driver to use them, so:

1. Define a hidden HAVE_NET_DSA option and move the dependencies of
   NET_DSA to that.  While we're at it, drop the deprecated
   EXPERIMENTAL dependency.
2. Make NET_DSA and the drivers dependent on HAVE_NET_DSA.
3. Hide the tagging format options again.
4. Make drivers select both NET_DSA and the appropriate tagging format
   option.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2012-11-26 09:16:10 +00:00 committed by David S. Miller
parent 53d6841d22
commit b3422a314c
2 changed files with 17 additions and 17 deletions
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4
drivers/net/dsa/Kconfig
View File

@ -1,4 +1,5 @@
menu "Distributed Switch Architecture drivers"
depends on HAVE_NET_DSA
config NET_DSA_MV88E6XXX
tristate
@ -6,6 +7,7 @@ config NET_DSA_MV88E6XXX
config NET_DSA_MV88E6060
tristate "Marvell 88E6060 ethernet switch chip support"
select NET_DSA
select NET_DSA_TAG_TRAILER
---help---
This enables support for the Marvell 88E6060 ethernet switch
@ -17,6 +19,7 @@ config NET_DSA_MV88E6XXX_NEED_PPU
config NET_DSA_MV88E6131
tristate "Marvell 88E6085/6095/6095F/6131 ethernet switch chip support"
select NET_DSA
select NET_DSA_MV88E6XXX
select NET_DSA_MV88E6XXX_NEED_PPU
select NET_DSA_TAG_DSA
@ -26,6 +29,7 @@ config NET_DSA_MV88E6131
config NET_DSA_MV88E6123_61_65
tristate "Marvell 88E6123/6161/6165 ethernet switch chip support"
select NET_DSA
select NET_DSA_MV88E6XXX
select NET_DSA_TAG_EDSA
---help---

30
net/dsa/Kconfig
View File

@ -1,28 +1,24 @@
config HAVE_NET_DSA
def_bool y
depends on NETDEVICES && !S390
# Drivers must select NET_DSA and the appropriate tagging format
config NET_DSA
tristate
default n
depends on EXPERIMENTAL && NETDEVICES && !S390
depends on HAVE_NET_DSA
select PHYLIB
---help---
This allows you to use hardware switch chips that use
the Distributed Switch Architecture.
menu "Distributed Switch Architecture support"
if NET_DSA
# tagging formats
config NET_DSA_TAG_DSA
bool "Original DSA packet tagging format"
select NET_DSA
default n
bool
config NET_DSA_TAG_EDSA
bool "Ethertype DSA packet tagging format"
select NET_DSA
default n
bool
config NET_DSA_TAG_TRAILER
bool "Trailer DSA packet tagging format"
select NET_DSA
default n
endmenu
bool
endif