From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964818AbWEYB1x (ORCPT ); Wed, 24 May 2006 21:27:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964819AbWEYB1V (ORCPT ); Wed, 24 May 2006 21:27:21 -0400 Received: from scrub.xs4all.nl ([194.109.195.176]:29838 "EHLO scrub.xs4all.nl") by vger.kernel.org with ESMTP id S964817AbWEYB1C (ORCPT ); Wed, 24 May 2006 21:27:02 -0400 Message-Id: <20060525003422.557653000@linux-m68k.org> References: <20060525002742.723577000@linux-m68k.org> User-Agent: quilt/0.44-1 Date: Thu, 25 May 2006 02:27:50 +0200 From: zippel@linux-m68k.org To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: [PATCH 08/11] extra delay Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The wd33c93 needs a small delay before a new command can be started. Signed-off-by: Roman Zippel --- drivers/scsi/wd33c93.c | 4 ++++ 1 file changed, 4 insertions(+) Index: linux-2.6-mm/drivers/scsi/wd33c93.c =================================================================== --- linux-2.6-mm.orig/drivers/scsi/wd33c93.c +++ linux-2.6-mm/drivers/scsi/wd33c93.c @@ -939,6 +939,7 @@ wd33c93_intr(struct Scsi_Host *instance) DB(DB_INTR, printk("%02x", cmd->SCp.Status)) if (hostdata->level2 >= L2_BASIC) { sr = read_wd33c93(regs, WD_SCSI_STATUS); /* clear interrupt */ + udelay(7); hostdata->state = S_RUNNING_LEVEL2; write_wd33c93(regs, WD_COMMAND_PHASE, 0x50); write_wd33c93_cmd(regs, WD_CMD_SEL_ATN_XFER); @@ -955,6 +956,7 @@ wd33c93_intr(struct Scsi_Host *instance) msg = read_1_byte(regs); sr = read_wd33c93(regs, WD_SCSI_STATUS); /* clear interrupt */ + udelay(7); hostdata->incoming_msg[hostdata->incoming_ptr] = msg; if (hostdata->incoming_msg[0] == EXTENDED_MESSAGE) @@ -1358,6 +1360,7 @@ wd33c93_intr(struct Scsi_Host *instance) } else { /* Verify this is a change to MSG_IN and read the message */ sr = read_wd33c93(regs, WD_SCSI_STATUS); + udelay(7); if (sr == (CSR_ABORT | PHS_MESS_IN) || sr == (CSR_UNEXP | PHS_MESS_IN) || sr == (CSR_SRV_REQ | PHS_MESS_IN)) { @@ -1374,6 +1377,7 @@ wd33c93_intr(struct Scsi_Host *instance) asr); } sr = read_wd33c93(regs, WD_SCSI_STATUS); + udelay(7); if (sr != CSR_MSGIN) printk ("wd33c93: Not paused with ACK on RESEL (%02x)\n", --