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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-06-23 12:06:52 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-06-23 10:36:47 -0700
commit36c7343b4ecac2432430f5393314f1bdc2c219a5 (patch)
tree06966862308ff46d4712f58fc95c3c5cacf43819 /include
parent55d8538498f62ec72b5ba67aa386c7726f630475 (diff)
downloadlinux-36c7343b4ecac2432430f5393314f1bdc2c219a5.tar.bz2
tty_driver: Update required method documentation
Some of the requirement rules are now more relaxed. Also correct a contradiction in the previous update Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/tty_driver.h5
1 files changed, 2 insertions, 3 deletions
diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h
index 59f1c0bd8f9c..d2a003586761 100644
--- a/include/linux/tty_driver.h
+++ b/include/linux/tty_driver.h
@@ -27,8 +27,7 @@
* This routine is called by the kernel to write a series of
* characters to the tty device. The characters may come from
* user space or kernel space. This routine will return the
- * number of characters actually accepted for writing. This
- * routine is mandatory.
+ * number of characters actually accepted for writing.
*
* Optional: Required for writable devices.
*
@@ -134,7 +133,7 @@
* This routine notifies the tty driver that it should hangup the
* tty device.
*
- * Required:
+ * Optional:
*
* void (*break_ctl)(struct tty_stuct *tty, int state);
*