From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ching Huang Subject: [PATCH 2/4] scsi: arcmsr: waiting for iop firmware ready before issue get_config command to iop Date: Tue, 12 Dec 2017 18:48:24 +0800 Message-ID: <1513075704.5249.21.camel@Centos6.3-64> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pf0-f196.google.com ([209.85.192.196]:43376 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750749AbdLLKs2 (ORCPT ); Tue, 12 Dec 2017 05:48:28 -0500 Received: by mail-pf0-f196.google.com with SMTP id e3so13888403pfi.10 for ; Tue, 12 Dec 2017 02:48:28 -0800 (PST) Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org 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 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 */