Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756811Ab3EVUd2 (ORCPT ); Wed, 22 May 2013 16:33:28 -0400 Received: from mout.gmx.net ([212.227.17.22]:63926 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753849Ab3EVUd1 (ORCPT ); Wed, 22 May 2013 16:33:27 -0400 X-Authenticated: #9962044 X-Provags-ID: V01U2FsdGVkX1/mUh9XOGTmjv0jaIZaivP09Xnbix6IvapebbGZFq ULmxR98o+pOp7D From: Marc Dietrich To: linux-kernel@vger.kernel.org Cc: GOTO Masanori , YOKOTA Hiroshi , "James E.J. Bottomley" , linux-scsi@vger.kernel.org Subject: Re: [PATCH 1/2] SCSI: nsp32: replace large udelay by mdelay Date: Wed, 22 May 2013 22:33:18 +0200 Message-ID: <3402164.UHqBT8YQpR@fb07-iapwap2.physik.uni-giessen.de> User-Agent: KMail/4.10.2 (Linux/3.9.2-8.g04040b9-desktop; KDE/4.10.2; x86_64; ; ) In-Reply-To: <495d02a8263a553dd3f67b354f5ec9beb784a5d3.1369251478.git.marvin24@gmx.de> References: <495d02a8263a553dd3f67b354f5ec9beb784a5d3.1369251478.git.marvin24@gmx.de> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="ISO-8859-1" X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1894 Lines: 48 Looks like Arndt already send a fix for this. Sorry for the noise. Am Mittwoch, 22. Mai 2013, 21:48:41 schrieb Marc Dietrich: > ARM has a maximum of 2000 usec delay. Use mdelay for larger delays. > This affects distro kernels mostly. > > Cc: GOTO Masanori > Cc: YOKOTA Hiroshi > Cc: "James E.J. Bottomley" > Cc: linux-scsi@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Marc Dietrich > --- > drivers/scsi/nsp32.c | 2 +- > drivers/scsi/nsp32.h | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c > index 1e3879d..e2f796f 100644 > --- a/drivers/scsi/nsp32.c > +++ b/drivers/scsi/nsp32.c > @@ -2899,7 +2899,7 @@ static void nsp32_do_bus_reset(nsp32_hw_data *data) > * reset SCSI bus > */ > nsp32_write1(base, SCSI_BUS_CONTROL, BUSCTL_RST); > - udelay(RESET_HOLD_TIME); > + mdelay(RESET_HOLD_TIME); > nsp32_write1(base, SCSI_BUS_CONTROL, 0); > for(i = 0; i < 5; i++) { > intrdat = nsp32_read2(base, IRQ_STATUS); /* dummy read */ > diff --git a/drivers/scsi/nsp32.h b/drivers/scsi/nsp32.h > index c022182..b2b3dc6 100644 > --- a/drivers/scsi/nsp32.h > +++ b/drivers/scsi/nsp32.h > @@ -605,7 +605,7 @@ typedef struct _nsp32_hw_data { > /* > * TIME definition > */ > -#define RESET_HOLD_TIME 10000 /* reset time in us (SCSI-2 says the > +#define RESET_HOLD_TIME 10 /* reset time in ms (SCSI-2 says the > minimum is 25us) */ > #define SEL_TIMEOUT_TIME 10000 /* 250ms defined in SCSI specification > (25.6us/1unit) */ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/