From patchwork Tue Nov 17 18:24:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 7640891 Return-Path: X-Original-To: patchwork-linux-scsi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DA5E09F1C2 for ; Tue, 17 Nov 2015 18:37:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E3EB020458 for ; Tue, 17 Nov 2015 18:37:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00B95204D2 for ; Tue, 17 Nov 2015 18:37:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932542AbbKQSh2 (ORCPT ); Tue, 17 Nov 2015 13:37:28 -0500 Received: from ns.gsystem.sk ([62.176.172.50]:56546 "EHLO gsystem.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932534AbbKQShZ (ORCPT ); Tue, 17 Nov 2015 13:37:25 -0500 Received: from stip-static-68.213-81-217.telecom.sk ([213.81.217.68] helo=gsql.ggedos.sk) by gsystem.sk with esmtpsa (TLS1.1:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1Zykvy-0006dg-L8; Tue, 17 Nov 2015 19:24:50 +0100 From: Ondrej Zary To: "Martin K. Petersen" Cc: Christoph Hellwig , linux-scsi@vger.kernel.org Subject: [PATCH 34/52] atp870u: Introduce atp_set_host_id Date: Tue, 17 Nov 2015 19:24:10 +0100 Message-Id: <1447784668-23713-35-git-send-email-linux@rainbow-software.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1447784668-23713-1-git-send-email-linux@rainbow-software.org> References: <1447784668-23713-1-git-send-email-linux@rainbow-software.org> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The code for setting host adapter ID is the same for all chips. Move it to a common function. Signed-off-by: Ondrej Zary --- drivers/scsi/atp870u.c | 57 +++++++++++++++--------------------------------- 1 file changed, 18 insertions(+), 39 deletions(-) diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 04b29d3..9621403 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -1229,6 +1229,18 @@ static int atp870u_init_tables(struct Scsi_Host *host) return 0; } +static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) +{ + atp_writeb_io(atp, c, 0, host_id | 0x08); + atp_writeb_io(atp, c, 0x18, 0); + while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0) + mdelay(1); + atp_readb_io(atp, c, 0x17); + atp_writeb_io(atp, c, 1, 8); + atp_writeb_io(atp, c, 2, 0x7f); + atp_writeb_io(atp, c, 0x11, 0x20); +} + /* return non-zero on detection */ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1379,14 +1391,8 @@ flash_ok_880: mdelay(32); atp_readb_io(p, 0, 0x1b); atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 0, host_id | 0x08); - atp_writeb_io(p, 0, 0x18, 0); - while ((atp_readb_io(p, 0, 0x1f) & 0x80) == 0) - mdelay(1); - atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 1, 8); - atp_writeb_io(p, 0, 2, 0x7f); - atp_writeb_io(p, 0, 0x11, 0x20); + + atp_set_host_id(p, 0, host_id); tscam(shpnt); atp_is(p, 0, true, atp_readb_base(p, 0x3f) & 0x40); @@ -1503,35 +1509,16 @@ flash_ok_885: atp_readb_io(p, 0, 0x17); atp_readb_io(p, 1, 0x1b); atp_readb_io(p, 1, 0x17); + k=p->host_id[0]; if (k > 7) k = (k & 0x07) | 0x40; - k |= 0x08; - atp_writeb_io(p, 0, 0, k); - atp_writeb_io(p, 0, 0x18, 0); - - while ((atp_readb_io(p, 0, 0x1f) & 0x80) == 0) - cpu_relax(); - - atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 1, 8); - atp_writeb_io(p, 0, 2, 0x7f); - atp_writeb_io(p, 0, 0x11, 0x20); + atp_set_host_id(p, 0, k); k=p->host_id[1]; if (k > 7) k = (k & 0x07) | 0x40; - k |= 0x08; - atp_writeb_io(p, 1, 0, k); - atp_writeb_io(p, 1, 0x18, 0); - - while ((atp_readb_io(p, 1, 0x1f) & 0x80) == 0) - cpu_relax(); - - atp_readb_io(p, 1, 0x17); - atp_writeb_io(p, 1, 1, 8); - atp_writeb_io(p, 1, 2, 0x7f); - atp_writeb_io(p, 1, 0x11, 0x20); + atp_set_host_id(p, 1, k); tscam_885(); printk(KERN_INFO " Scanning Channel A SCSI Device ...\n"); @@ -1608,15 +1595,7 @@ flash_ok_885: mdelay(32); atp_writeb_base(p, 0x3a, k); mdelay(32); - atp_writeb_io(p, 0, 0, host_id | 0x08); - atp_writeb_io(p, 0, 0x18, 0); - while ((atp_readb_io(p, 0, 0x1f) & 0x80) == 0) - mdelay(1); - - atp_readb_io(p, 0, 0x17); - atp_writeb_io(p, 0, 1, 8); - atp_writeb_io(p, 0, 2, 0x7f); - atp_writeb_io(p, 0, 0x11, 0x20); + atp_set_host_id(p, 0, host_id); tscam(shpnt); atp_writeb_base(p, 0x3a, atp_readb_base(p, 0x3a) | 0x10);