From 756bfd018eb393640dad490df1a1ca840d9ee79b Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Thu, 7 Dec 2006 00:26:31 +0100 Subject: Imported from util-linux-2.12o tarball. --- sys-utils/tunelp.8 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'sys-utils/tunelp.8') diff --git a/sys-utils/tunelp.8 b/sys-utils/tunelp.8 index ac01ed400..963243138 100644 --- a/sys-utils/tunelp.8 +++ b/sys-utils/tunelp.8 @@ -110,7 +110,11 @@ current IRQ, is implied. .TP .B \-T [on|off] -This option tell the lp driver to trust or not the IRQ. +This option is obsolete. It was added in Linux 2.1.131, +and removed again in Linux 2.3.10. The below is for these +old kernels only. + +This option tells the lp driver to trust or not the IRQ. This option makes sense only if you are using interrupts. If you tell the lp driver to trust the irq, then, when the lp driver will get an irq, it will send the next pending character to the printer -- cgit v1.2.3-55-g7522