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authorLinus Torvalds <torvalds@linux-foundation.org>2020-04-03 13:22:40 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-03 13:22:40 -0700
commit0ad5b053d438990fabaa324499abb6131b9d2202 (patch)
treeaaabca2e4d66d0b6572324f4a71017ecec4fa022 /Documentation/admin-guide
parentMerge tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx (diff)
parentRevert "driver core: platform: Initialize dma_parms for platform devices" (diff)
downloadwireguard-linux-0ad5b053d438990fabaa324499abb6131b9d2202.tar.xz
wireguard-linux-0ad5b053d438990fabaa324499abb6131b9d2202.zip
Merge tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH: "Here is the big set of char/misc/other driver patches for 5.7-rc1. Lots of things in here, and it's later than expected due to some reverts to resolve some reported issues. All is now clean with no reported problems in linux-next. Included in here is: - interconnect updates - mei driver updates - uio updates - nvmem driver updates - soundwire updates - binderfs updates - coresight updates - habanalabs updates - mhi new bus type and core - extcon driver updates - some Kconfig cleanups - other small misc driver cleanups and updates As mentioned, all have been in linux-next for a while, and with the last two reverts, all is calm and good" * tag 'char-misc-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (174 commits) Revert "driver core: platform: Initialize dma_parms for platform devices" Revert "amba: Initialize dma_parms for amba devices" amba: Initialize dma_parms for amba devices driver core: platform: Initialize dma_parms for platform devices bus: mhi: core: Drop the references to mhi_dev in mhi_destroy_device() bus: mhi: core: Initialize bhie field in mhi_cntrl for RDDM capture bus: mhi: core: Add support for reading MHI info from device misc: rtsx: set correct pcr_ops for rts522A speakup: misc: Use dynamic minor numbers for speakup devices mei: me: add cedar fork device ids coresight: do not use the BIT() macro in the UAPI header Documentation: provide IBM contacts for embargoed hardware nvmem: core: remove nvmem_sysfs_get_groups() nvmem: core: use is_bin_visible for permissions nvmem: core: use device_register and device_unregister nvmem: core: add root_only member to nvmem device struct extcon: axp288: Add wakeup support extcon: Mark extcon_get_edev_name() function as exported symbol extcon: palmas: Hide error messages if gpio returns -EPROBE_DEFER dt-bindings: extcon: usbc-cros-ec: convert extcon-usbc-cros-ec.txt to yaml format ...
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/dynamic-debug-howto.rst3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/admin-guide/dynamic-debug-howto.rst b/Documentation/admin-guide/dynamic-debug-howto.rst
index 252e5ef324e5..0dc2eb8e44e5 100644
--- a/Documentation/admin-guide/dynamic-debug-howto.rst
+++ b/Documentation/admin-guide/dynamic-debug-howto.rst
@@ -54,6 +54,9 @@ If you make a mistake with the syntax, the write will fail thus::
<debugfs>/dynamic_debug/control
-bash: echo: write error: Invalid argument
+Note, for systems without 'debugfs' enabled, the control file can be
+found in ``/proc/dynamic_debug/control``.
+
Viewing Dynamic Debug Behaviour
===============================