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Bluetooth: Provide option to enable/disable debugfs information 

The Bluetooth controllers can export extensive information about
internal states via debugfs. This patch provides an option to
choose if these information are provided or not.

For backwards compatibility with existing kernel configuration,
this option defaults to yes.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
wifi-calibration
Marcel Holtmann 2015-02-14 13:40:06 -08:00 committed by Johan Hedberg
parent 18835dfa3a
commit 035a07d5df
3 changed files with 32 additions and 1 deletions
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8
net/bluetooth/Kconfig
View File

@ -91,4 +91,12 @@ config BT_SELFTEST_SMP
Run test cases for SMP cryptographic functionality, including both
legacy SMP as well as the Secure Connections features.
config BT_DEBUGFS
bool "Export Bluetooth internals in debugfs"
depends on BT && DEBUG_FS
default y
help
Provide extensive information about internal Bluetooth states
in debugfs.
source "drivers/bluetooth/Kconfig"

3
net/bluetooth/Makefile
View File

@ -13,8 +13,9 @@ bluetooth_6lowpan-y := 6lowpan.o
bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \
hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \
a2mp.o amp.o ecc.o hci_request.o hci_debugfs.o
a2mp.o amp.o ecc.o hci_request.o
bluetooth-$(CONFIG_BT_DEBUGFS) += hci_debugfs.o
bluetooth-$(CONFIG_BT_SELFTEST) += selftest.o
subdir-ccflags-y += -D__CHECK_ENDIAN__

22
net/bluetooth/hci_debugfs.h
View File

@ -20,7 +20,29 @@
SOFTWARE IS DISCLAIMED.
*/
#if IS_ENABLED(CONFIG_BT_DEBUGFS)
void hci_debugfs_create_common(struct hci_dev *hdev);
void hci_debugfs_create_bredr(struct hci_dev *hdev);
void hci_debugfs_create_le(struct hci_dev *hdev);
void hci_debugfs_create_conn(struct hci_conn *conn);
#else
static inline void hci_debugfs_create_common(struct hci_dev *hdev)
{
}
static inline void hci_debugfs_create_bredr(struct hci_dev *hdev)
{
}
static inline void hci_debugfs_create_le(struct hci_dev *hdev)
{
}
static inline void hci_debugfs_create_conn(struct hci_conn *conn)
{
}
#endif