From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760333AbZFRHmy (ORCPT ); Thu, 18 Jun 2009 03:42:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758412AbZFRHmK (ORCPT ); Thu, 18 Jun 2009 03:42:10 -0400 Received: from smtp.wellnetcz.com ([212.24.148.102]:47388 "EHLO smtp.wellnetcz.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756492AbZFRHmH (ORCPT ); Thu, 18 Jun 2009 03:42:07 -0400 From: Jiri Slaby To: alan@lxorguk.ukuu.org.uk Cc: Andrew Morton , linux-kernel@vger.kernel.org, Jiri Slaby Subject: [PATCH 07/13] Char: cyclades, sleep instead busy-wait Date: Thu, 18 Jun 2009 09:41:42 +0200 Message-Id: <1245310908-27691-7-git-send-email-jirislaby@gmail.com> X-Mailer: git-send-email 1.6.3.2 In-Reply-To: <1245310908-27691-1-git-send-email-jirislaby@gmail.com> References: <1245310908-27691-1-git-send-email-jirislaby@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Avoid long busy loops (5 ms) which may be replaced by sleeps. Signed-off-by: Jiri Slaby --- drivers/char/cyclades.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 1510506..1fca273 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -388,7 +388,7 @@ static unsigned detect_isa_irq(void __iomem *address) irqs = probe_irq_on(); /* Wait ... */ - udelay(5000L); + msleep(5); /* Enable the Tx interrupts on the CD1400 */ local_irq_save(flags); @@ -401,7 +401,7 @@ static unsigned detect_isa_irq(void __iomem *address) local_irq_restore(flags); /* Wait ... */ - udelay(5000L); + msleep(5); /* Check which interrupt is in use */ irq = probe_irq_off(irqs); -- 1.6.3.2