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Date:      Tue, 14 Apr 2009 13:11:34 +0000 (UTC)
From:      Ed Schouten <ed@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r191057 - head/sys/dev/agp
Message-ID:  <200904141311.n3EDBYVr006665@svn.freebsd.org>
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Author: ed
Date: Tue Apr 14 13:11:34 2009
New Revision: 191057
URL: http://svn.freebsd.org/changeset/base/191057

Log:
  Use si_drv1 instead of dev2unit() inside agp(4).
  
  Reviewed by:	rnoland

Modified:
  head/sys/dev/agp/agp.c

Modified: head/sys/dev/agp/agp.c
==============================================================================
--- head/sys/dev/agp/agp.c	Tue Apr 14 11:57:26 2009	(r191056)
+++ head/sys/dev/agp/agp.c	Tue Apr 14 13:11:34 2009	(r191057)
@@ -81,7 +81,6 @@ static struct cdevsw agp_cdevsw = {
 };
 
 static devclass_t agp_devclass;
-#define KDEV2DEV(kdev)	devclass_get_device(agp_devclass, dev2unit(kdev))
 
 /* Helper functions for implementing chipset mini drivers. */
 
@@ -254,11 +253,8 @@ agp_generic_attach(device_t dev)
 	sc->as_nextid = 1;
 
 	sc->as_devnode = make_dev(&agp_cdevsw,
-				  device_get_unit(dev),
-				  UID_ROOT,
-				  GID_WHEEL,
-				  0600,
-				  "agpgart");
+	    0, UID_ROOT, GID_WHEEL, 0600, "agpgart");
+	sc->as_devnode->si_drv1 = dev;
 
 	return 0;
 }
@@ -802,7 +798,7 @@ agp_unbind_user(device_t dev, agp_unbind
 static int
 agp_open(struct cdev *kdev, int oflags, int devtype, struct thread *td)
 {
-	device_t dev = KDEV2DEV(kdev);
+	device_t dev = kdev->si_drv1;
 	struct agp_softc *sc = device_get_softc(dev);
 
 	if (!sc->as_isopen) {
@@ -816,7 +812,7 @@ agp_open(struct cdev *kdev, int oflags, 
 static int
 agp_close(struct cdev *kdev, int fflag, int devtype, struct thread *td)
 {
-	device_t dev = KDEV2DEV(kdev);
+	device_t dev = kdev->si_drv1;
 	struct agp_softc *sc = device_get_softc(dev);
 	struct agp_memory *mem;
 
@@ -839,7 +835,7 @@ agp_close(struct cdev *kdev, int fflag, 
 static int
 agp_ioctl(struct cdev *kdev, u_long cmd, caddr_t data, int fflag, struct thread *td)
 {
-	device_t dev = KDEV2DEV(kdev);
+	device_t dev = kdev->si_drv1;
 
 	switch (cmd) {
 	case AGPIOC_INFO:
@@ -874,7 +870,7 @@ agp_ioctl(struct cdev *kdev, u_long cmd,
 static int
 agp_mmap(struct cdev *kdev, vm_offset_t offset, vm_paddr_t *paddr, int prot)
 {
-	device_t dev = KDEV2DEV(kdev);
+	device_t dev = kdev->si_drv1;
 	struct agp_softc *sc = device_get_softc(dev);
 
 	if (offset > AGP_GET_APERTURE(dev))

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