From: Oleksandr Shamray <oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
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Oleksandr Shamray
<oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: [patch v13 4/4] Documentation: jtag: Add ABI documentation
Date: Mon, 4 Dec 2017 12:13:25 +0200 [thread overview]
Message-ID: <1512382405-14774-5-git-send-email-oleksandrs@mellanox.com> (raw)
In-Reply-To: <1512382405-14774-1-git-send-email-oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Added document that describe the ABI for JTAG class drivrer
Signed-off-by: Oleksandr Shamray <oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Acked-by: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
---
v12->v13
v11->v12
Tobias Klauser <tklauser-93Khv+1bN0NyDzI6CaY1VQ@public.gmane.org>
- rename /Documentation/ABI/testing/jatg-dev -> jtag-dev
- Typo: s/interfase/interface
v10->v11
v9->v10
Fixes added by Oleksandr:
- change jtag-cdev to jtag-dev in documentation
- update Kernel Version and Date in jtag-dev documentation;
v8->v9
v7->v8
v6->v7
Comments pointed by Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
- Added jtag-cdev documentation to Documentation/ABI/testing folder
---
Documentation/ABI/testing/jtag-dev | 27 +++++++++++++++++++++++++++
1 files changed, 27 insertions(+), 0 deletions(-)
create mode 100644 Documentation/ABI/testing/jtag-dev
diff --git a/Documentation/ABI/testing/jtag-dev b/Documentation/ABI/testing/jtag-dev
new file mode 100644
index 0000000..cab867d
--- /dev/null
+++ b/Documentation/ABI/testing/jtag-dev
@@ -0,0 +1,27 @@
+What: /dev/jtag[0-9]+
+Date: October 2017
+KernelVersion: 4.15
+Contact: oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org
+Description:
+ The misc device files /dev/jtag* are the interface
+ between JTAG master interface and userspace.
+
+ The ioctl(2)-based ABI is defined and documented in
+ [include/uapi]<linux/jtag.h>.
+
+ The following file operations are supported:
+
+ open(2)
+ The argument flag currently support only one access
+ mode O_RDWR.
+
+ ioctl(2)
+ Initiate various actions.
+ See the inline documentation in [include/uapi]<linux/jtag.h>
+ for descriptions of all ioctls.
+
+ close(2)
+ Stops and free up the I/O contexts that was associated
+ with the file descriptor.
+
+Users: TBD
\ No newline at end of file
--
1.7.1
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prev parent reply other threads:[~2017-12-04 10:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-04 10:13 [patch v13 0/4] JTAG driver introduction Oleksandr Shamray
2017-12-04 10:13 ` [patch v13 1/4] drivers: jtag: Add JTAG core driver Oleksandr Shamray
2017-12-04 10:13 ` [patch v13 2/4] drivers: jtag: Add Aspeed SoC 24xx and 25xx families JTAG master driver Oleksandr Shamray
2017-12-04 12:41 ` Philippe Ombredanne
2017-12-04 10:13 ` [patch v13 3/4] Documentation: jtag: Add bindings for " Oleksandr Shamray
[not found] ` <1512382405-14774-1-git-send-email-oleksandrs-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-12-04 10:13 ` Oleksandr Shamray [this message]
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