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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-06 02:59:24 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-06 02:59:24 +0300 |
commit | 5ebe0ee802c52cdf0c0eed8f3eccc9a056e412a3 (patch) | |
tree | 0eb28b0315a44593404f58b9758d31e0afc41425 /Documentation/gpio/sysfs.txt | |
parent | 1873499e13648a2dd01a394ed3217c9290921b3d (diff) | |
parent | 3ce96239d482a7d2dfdc1f332152c580b219fef1 (diff) | |
download | linux-5ebe0ee802c52cdf0c0eed8f3eccc9a056e412a3.tar.xz |
Merge tag 'docs-for-linus' of git://git.lwn.net/linux
Pull documentation update from Jon Corbet:
"There is a nice new document from Neil on how pathname lookups work
and some new CAN driver documentation. Beyond that, we have
kernel-doc fixes, a bit more work to support reproducible builds, and
the usual collection of small fixes"
* tag 'docs-for-linus' of git://git.lwn.net/linux: (34 commits)
Documentation: add new description of path-name lookup.
Documentation/vm/slub.txt: document slabinfo-gnuplot.sh
Doc: ABI/stable: Fix typo in ABI/stable
doc: Clarify that nmi_watchdog param is for hardlockups
Typo correction for description in gpio document.
DocBook: Fix kernel-doc to be case-insensitive for private:
kernel-docs.txt: update kernelnewbies reference
Doc:kvm: Fix typo in Doc/virtual/kvm
Documentation/Changes: Add bc in "Current Minimal Requirements" section
Documentation/email-clients.txt: remove trailing whitespace
DocBook: Use a fixed encoding for output
MAINTAINERS: The docs tree has moved
Docs/kernel-parameters: Add earlycon devicetree usage
SubmittingPatches: make Subject examples match the de facto standard
Documentation: gpio: mention that <function>-gpio has been deprecated
Documentation: cgroups: just fix a few typos
Documentation: Update kselftest.txt
Documentation: DMA API: Be more explicit that nents is always the same
Documentation: Update the default value of crashkernel low
zram: update documentation
...
Diffstat (limited to 'Documentation/gpio/sysfs.txt')
-rw-r--r-- | Documentation/gpio/sysfs.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/gpio/sysfs.txt b/Documentation/gpio/sysfs.txt index 0700b55637f5..aeab01aa4d00 100644 --- a/Documentation/gpio/sysfs.txt +++ b/Documentation/gpio/sysfs.txt @@ -20,14 +20,14 @@ userspace GPIO can be used to determine system configuration data that standard kernels won't know about. And for some tasks, simple userspace GPIO drivers could be all that the system really needs. -DO NOT ABUSE SYFS TO CONTROL HARDWARE THAT HAS PROPER KERNEL DRIVERS. +DO NOT ABUSE SYSFS TO CONTROL HARDWARE THAT HAS PROPER KERNEL DRIVERS. PLEASE READ THE DOCUMENT NAMED "drivers-on-gpio.txt" IN THIS DOCUMENTATION DIRECTORY TO AVOID REINVENTING KERNEL WHEELS IN USERSPACE. I MEAN IT. REALLY. Paths in Sysfs -------------- -There are three kinds of entry in /sys/class/gpio: +There are three kinds of entries in /sys/class/gpio: - Control interfaces used to get userspace control over GPIOs; @@ -106,7 +106,7 @@ read-only attributes: "label" ... provided for diagnostics (not always unique) - "ngpio" ... how many GPIOs this manges (N to N + ngpio - 1) + "ngpio" ... how many GPIOs this manages (N to N + ngpio - 1) Board documentation should in most cases cover what GPIOs are used for what purposes. However, those numbers are not always stable; GPIOs on |