commit 0400b697ef20247d26427e4beb6a84ca5aa51f45
author Haavard Skinnemoen <hskinnemoen@atmel.com> Sat Feb 23 15:23:36 2008 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Sat Feb 23 17:12:14 2008 -0800
tree 1d7461bea423da98bb8d4ac409a69126b7f8c9cb
parent 98bcef56cadb4da138e2c1a2a0790f372382b236

atmel_serial: fix interrupt handler return value

We should only return IRQ_HANDLED when we actually found something to
handle. This is important since the USART interrupt handler may be
shared with the timer interrupt on some chips.

Pointed-out-by: michael <trimarchi@gandalf.sssup.it>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>