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authorStefan Richter <stefanr@s5r6.in-berlin.de>2007-06-25 22:18:40 +0200
committerStefan Richter <stefanr@s5r6.in-berlin.de>2007-06-29 17:32:07 +0200
commitfe77d4f283e840879f0e23b86a5d6a486823fdef (patch)
treeb8829aa5a8d04da635638b7fbaab92bfbc95b52b /drivers/firewire/Kconfig
parent0a9972baa7454c747fd5f67ce864420dff99d383 (diff)
firewire: add Kconfig help on building both stacks
Alas that won't work so good, because nobody reads help texts. I thought about adding some crude multiple choice selection (build the old stack, build the new stack, build both stacks). It's possible, but it would introduce awkward dummy config variables. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/firewire/Kconfig')
-rw-r--r--drivers/firewire/Kconfig65
1 files changed, 43 insertions, 22 deletions
diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig
index 396dade731f9..d011a76f8e7a 100644
--- a/drivers/firewire/Kconfig
+++ b/drivers/firewire/Kconfig
@@ -4,27 +4,44 @@ comment "An alternative FireWire stack is available with EXPERIMENTAL=y"
depends on EXPERIMENTAL=n
config FIREWIRE
- tristate "IEEE 1394 (FireWire) support (JUJU alternative stack, experimental)"
+ tristate "IEEE 1394 (FireWire) support - alternative stack, EXPERIMENTAL"
depends on EXPERIMENTAL
select CRC_ITU_T
help
- IEEE 1394 describes a high performance serial bus, which is also
- known as FireWire(tm) or i.Link(tm) and is used for connecting all
- sorts of devices (most notably digital video cameras) to your
- computer.
-
- If you have FireWire hardware and want to use it, say Y here. This
- is the core support only, you will also need to select a driver for
- your IEEE 1394 adapter.
-
- To compile this driver as a module, say M here: the module will be
- called firewire-core.
-
- This is the "JUJU" FireWire stack, an alternative implementation
+ This is the "Juju" FireWire stack, a new alternative implementation
designed for robustness and simplicity. You can build either this
stack, or the classic stack (the ieee1394 driver, ohci1394 etc.)
or both.
+ To compile this driver as a module, say M here: the module will be
+ called firewire-core. It functionally replaces ieee1394, raw1394,
+ and video1394.
+
+ NOTE:
+
+ You should only build ONE of the stacks, unless you REALLY know what
+ you are doing. If you install both, you should configure them only as
+ modules rather than link them statically, and you should blacklist one
+ of the concurrent low-level drivers in /etc/modprobe.conf. Add either
+
+ blacklist firewire-ohci
+ or
+ blacklist ohci1394
+
+ there depending on which driver you DON'T want to have auto-loaded.
+ You can optionally do the same with the other IEEE 1394/ FireWire
+ drivers.
+
+ If you have an old modprobe which doesn't implement the blacklist
+ directive, use either
+
+ install firewire-ohci /bin/true
+ or
+ install ohci1394 /bin/true
+
+ and so on, depending on which modules you DON't want to have
+ auto-loaded.
+
config FIREWIRE_OHCI
tristate "Support for OHCI FireWire host controllers"
depends on PCI && FIREWIRE
@@ -34,11 +51,13 @@ config FIREWIRE_OHCI
is the only chipset in use, so say Y here.
To compile this driver as a module, say M here: The module will be
- called firewire-ohci.
+ called firewire-ohci. It replaces ohci1394 of the classic IEEE 1394
+ stack.
+
+ NOTE:
- If you also build ohci1394 of the classic IEEE 1394 driver stack,
- blacklist either ohci1394 or firewire-ohci to let hotplug load the
- desired driver.
+ If you also build ohci1394 of the classic stack, blacklist either
+ ohci1394 or firewire-ohci to let hotplug load only the desired driver.
config FIREWIRE_SBP2
tristate "Support for storage devices (SBP-2 protocol driver)"
@@ -50,12 +69,14 @@ config FIREWIRE_SBP2
like scanners.
To compile this driver as a module, say M here: The module will be
- called firewire-sbp2.
+ called firewire-sbp2. It replaces sbp2 of the classic IEEE 1394
+ stack.
You should also enable support for disks, CD-ROMs, etc. in the SCSI
configuration section.
- If you also build sbp2 of the classic IEEE 1394 driver stack,
- blacklist either sbp2 or firewire-sbp2 to let hotplug load the
- desired driver.
+ NOTE:
+
+ If you also build sbp2 of the classic stack, blacklist either sbp2
+ or firewire-sbp2 to let hotplug load only the desired driver.