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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-28 13:20:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-28 13:20:32 -0700
commite49aa15ef6c179f69e5578a271801f31a09e9a3f (patch)
tree7c12dc2635e325c13aad18dbae1489ef87157cc9 /net/bluetooth/Kconfig
parent91735832261a00e9d965ddf5ed3902ddfb03ea45 (diff)
Revert "Bluetooth: Add option for disabling legacy ioctl interfaces"
This reverts commit dbbccdc4ced015cdd4051299bd87fbe0254ad351. It turns out that the "legacy" users aren't so legacy at all, and that turning off the legacy ioctl will break the current Qt bluetooth stack for bluetooth LE devices that were released just a couple of months ago. So it's simply not true that this was a legacy interface that hasn't been needed and is only limited to old legacy BT devices. Because I actually read Kconfig help messages, and actively try to turn off features that I don't need, I turned the option off. Then I spent _way_ too much time debugging BLE issues until I realized that it wasn't the Qt and subsurface development that had broken one of my dive computer BLE downloads, but simply my broken kernel config. Maybe in a decade it will be true that this is a legacy interface. And maybe with a better help-text and correct dependencies, this kind of legacy removal might be acceptable. But as things are right now both the commit message and the Kconfig help text were misleading, and the Kconfig option had the wrong dependenencies. There's no reason to keep that broken Kconfig option in the tree. Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/bluetooth/Kconfig')
-rw-r--r--net/bluetooth/Kconfig10
1 files changed, 0 insertions, 10 deletions
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig
index c18115d22f00..db82a40875e8 100644
--- a/net/bluetooth/Kconfig
+++ b/net/bluetooth/Kconfig
@@ -126,14 +126,4 @@ config BT_DEBUGFS
Provide extensive information about internal Bluetooth states
in debugfs.
-config BT_LEGACY_IOCTL
- bool "Enable legacy ioctl interfaces"
- depends on BT && BT_BREDR
- default y
- help
- Enable support for legacy ioctl interfaces. This is only needed
- for old and deprecated applications using direct ioctl calls for
- controller management. Since Linux 3.4 all configuration and
- setup is done via mgmt interface and this is no longer needed.
-
source "drivers/bluetooth/Kconfig"