From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751641AbdLLKsd (ORCPT ); Tue, 12 Dec 2017 05:48:33 -0500 Received: from mail-pf0-f195.google.com ([209.85.192.195]:41820 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750731AbdLLKs2 (ORCPT ); Tue, 12 Dec 2017 05:48:28 -0500 X-Google-Smtp-Source: ACJfBotcG0b/rDHuG3x4QK6cc8r+T+hEERRGvHTE1TBJizbcss6UujOSXmyoXiRWjDmePcPSaJLSCA== Subject: [PATCH 2/4] scsi: arcmsr: waiting for iop firmware ready before issue get_config command to iop From: Ching Huang To: martin.petersen@oracle.com, James.Bottomley@HansenPartnership.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: dan.carpenter@oracle.com, hch@infradead.org, colin.king@canonical.com Content-Type: text/plain; charset="UTF-8" Date: Tue, 12 Dec 2017 18:48:24 +0800 Message-ID: <1513075704.5249.21.camel@Centos6.3-64> Mime-Version: 1.0 X-Mailer: Evolution 2.32.3 (2.32.3-37.el6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ching Huang waiting for iop firmware ready before issue get_config command to iop for adapter type A and D Signed-off-by: Ching Huang --- diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 9b587ca..dfaea8f 100755 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -2966,6 +2966,7 @@ static bool arcmsr_hbaA_get_config(struct AdapterControlBlock *acb) char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); int count; + arcmsr_wait_firmware_ready(acb); writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); if (!arcmsr_hbaA_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ @@ -3149,6 +3150,7 @@ static bool arcmsr_hbaD_get_config(struct AdapterControlBlock *acb) writel(ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE, acb->pmuD->outbound_doorbell);/*clear interrupt*/ } + arcmsr_wait_firmware_ready(acb); /* post "get config" instruction */ writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, reg->inbound_msgaddr0); /* wait message ready */