Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6309ed7cb2b0671b0db9386abc6307ec3108bbaa Commit: 6309ed7cb2b0671b0db9386abc6307ec3108bbaa Parent: 3972b7f67bf1a352a4a4c350b2245d759a41ea06 Author: Alan <[EMAIL PROTECTED]> AuthorDate: Tue May 8 00:24:21 2007 -0700 Committer: Linus Torvalds <[EMAIL PROTECTED]> CommitDate: Tue May 8 11:14:59 2007 -0700
tty: Clarify documentation of ->write() The tty driver write method is different to the usual fops device write methods as the buffer is already in kernel space. Clarify the docs since someone writing a driver made that mistake. Signed-off-by: Alan Cox <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> --- Documentation/tty.txt | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/Documentation/tty.txt b/Documentation/tty.txt index 5f799e6..048a876 100644 --- a/Documentation/tty.txt +++ b/Documentation/tty.txt @@ -108,7 +108,9 @@ hardware driver through the function pointers within the tty->driver structure: write() Write a block of characters to the tty device. - Returns the number of characters accepted. + Returns the number of characters accepted. The + character buffer passed to this method is already + in kernel space. put_char() Queues a character for writing to the tty device. If there is no room in the queue, the character is - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html