From owner-svn-src-head@FreeBSD.ORG  Thu May 19 19:37:41 2011
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id A3189106564A;
	Thu, 19 May 2011 19:37:41 +0000 (UTC) (envelope-from np@FreeBSD.org)
Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c])
	by mx1.freebsd.org (Postfix) with ESMTP id 920EA8FC1A;
	Thu, 19 May 2011 19:37:41 +0000 (UTC)
Received: from svn.freebsd.org (localhost [127.0.0.1])
	by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id p4JJbfVN050576;
	Thu, 19 May 2011 19:37:41 GMT (envelope-from np@svn.freebsd.org)
Received: (from np@localhost)
	by svn.freebsd.org (8.14.4/8.14.4/Submit) id p4JJbfIJ050574;
	Thu, 19 May 2011 19:37:41 GMT (envelope-from np@svn.freebsd.org)
Message-Id: <201105191937.p4JJbfIJ050574@svn.freebsd.org>
From: Navdeep Parhar <np@FreeBSD.org>
Date: Thu, 19 May 2011 19:37:41 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
	svn-src-head@freebsd.org
X-SVN-Group: head
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Cc: 
Subject: svn commit: r222102 - head/sys/dev/cxgbe
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 19 May 2011 19:37:41 -0000

Author: np
Date: Thu May 19 19:37:41 2011
New Revision: 222102
URL: http://svn.freebsd.org/changeset/base/222102

Log:
  Simplify t4_os_find_pci_capability.
  
  MFC after:	3 days

Modified:
  head/sys/dev/cxgbe/t4_main.c

Modified: head/sys/dev/cxgbe/t4_main.c
==============================================================================
--- head/sys/dev/cxgbe/t4_main.c	Thu May 19 17:24:53 2011	(r222101)
+++ head/sys/dev/cxgbe/t4_main.c	Thu May 19 19:37:41 2011	(r222102)
@@ -3212,45 +3212,12 @@ filter_rpl(struct adapter *sc, const str
 	}
 }
 
-/* XXX: use pci_find_cap */
 int
 t4_os_find_pci_capability(struct adapter *sc, int cap)
 {
-	device_t dev;
-	struct pci_devinfo *dinfo;
-	pcicfgregs *cfg;
-	uint32_t status;
-	uint8_t ptr;
-
-	dev = sc->dev;
-	dinfo = device_get_ivars(dev);
-	cfg = &dinfo->cfg;
-
-	status = pci_read_config(dev, PCIR_STATUS, 2);
-	if (!(status & PCIM_STATUS_CAPPRESENT))
-		return (0);
-
-	switch (cfg->hdrtype & PCIM_HDRTYPE) {
-	case 0:
-	case 1:
-		ptr = PCIR_CAP_PTR;
-		break;
-	case 2:
-		ptr = PCIR_CAP_PTR_2;
-		break;
-	default:
-		return (0);
-		break;
-	}
-	ptr = pci_read_config(dev, ptr, 1);
+	int i;
 
-	while (ptr != 0) {
-		if (pci_read_config(dev, ptr + PCICAP_ID, 1) == cap)
-			return (ptr);
-		ptr = pci_read_config(dev, ptr + PCICAP_NEXTPTR, 1);
-	}
-
-	return (0);
+	return (pci_find_cap(sc->dev, cap, &i) == 0 ? i : 0);
 }
 
 int