Add compatibility header file to make Linux 2.4.0 kernel patches cleaner.

10 files changed, 9 insertions, 26 deletions

diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.linux b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.linux
index 7dfb20b1d..fb39374a6 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.linux
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/Makefile.linux
@@ -54,7 +54,7 @@ PROGS=		drmstat
 
 DRMOBJS=	init.o memory.o proc.o auth.o context.o drawable.o bufs.o \
 		lists.o lock.o ioctl.o fops.o vm.o dma.o ctxbitmap.o
-DRMHEADERS=	drm.h drmP.h
+DRMHEADERS=	drm.h drmP.h compat-pre24.h
 
 GAMMAOBJS=      gamma_drv.o gamma_dma.o
 GAMMAHEADERS=   gamma_drv.h $(DRMHEADERS)
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h
index b9a4dab42..d6de193d2 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h
@@ -61,6 +61,9 @@
 #include <linux/tqueue.h>
 #include <linux/poll.h>
 #endif
+#if LINUX_VERSION_CODE < 0x020400
+#include "compat-pre24.h"
+#endif
 #include "drm.h"
 
 #define DRM_DEBUG_CODE 2	  /* Include debugging code (if > 1, then
@@ -140,11 +143,6 @@ typedef struct wait_queue *wait_queue_head_t;
 #define module_exit(x)  void cleanup_module(void) { x(); }
 #endif
 
-				/* virt_to_page added in 2.4.0-test6 */
-#if LINUX_VERSION_CODE < 0x020400
-#define virt_to_page(kaddr) (mem_map + MAP_NR(kaddr))
-#endif
-
 				/* Generic cmpxchg added in 2.3.x */
 #ifndef __HAVE_ARCH_CMPXCHG
 				/* Include this here so that driver can be
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_dma.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_dma.c
index 4a2acfb36..96ea04556 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_dma.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_dma.c
@@ -804,7 +804,6 @@ int gamma_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 	drm_flush_unblock(dev, lock.context, lock.flags); /* cleanup phase */
 	
 	if (!ret) {
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 		sigemptyset(&dev->sigmask);
 		sigaddset(&dev->sigmask, SIGSTOP);
 		sigaddset(&dev->sigmask, SIGTSTP);
@@ -813,7 +812,7 @@ int gamma_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 		dev->sigdata.context = lock.context;
 		dev->sigdata.lock    = dev->lock.hw_lock;
 		block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-#endif
+
 		if (lock.flags & _DRM_LOCK_READY)
 			gamma_dma_ready(dev);
 		if (lock.flags & _DRM_LOCK_QUIESCENT) {
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_drv.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_drv.c
index 1fcd19338..4a353c6f1 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_drv.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/gamma_drv.c
@@ -564,8 +564,6 @@ int gamma_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
 						       - dev->lck_start)]);
 #endif
 	
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 	unblock_all_signals();
-#endif
 	return 0;
 }
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
index 5792bf39b..14c78071e 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_dma.c
@@ -1227,7 +1227,6 @@ int i810_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 	}
 	
 	if (!ret) {
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 		sigemptyset(&dev->sigmask);
 		sigaddset(&dev->sigmask, SIGSTOP);
 		sigaddset(&dev->sigmask, SIGTSTP);
@@ -1236,7 +1235,7 @@ int i810_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 		dev->sigdata.context = lock.context;
 		dev->sigdata.lock    = dev->lock.hw_lock;
 		block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-#endif
+
 		if (lock.flags & _DRM_LOCK_QUIESCENT) {
 		   DRM_DEBUG("_DRM_LOCK_QUIESCENT\n");
 		   DRM_DEBUG("fred\n");
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_drv.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_drv.c
index 18168605e..183e7fd79 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_drv.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/i810_drv.c
@@ -642,8 +642,6 @@ int i810_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
 						       - dev->lck_start)]);
 #endif
 	
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 	unblock_all_signals();
-#endif
 	return 0;
 }
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_dma.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_dma.c
index d315954dd..bbfa94976 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_dma.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_dma.c
@@ -1074,7 +1074,6 @@ int mga_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 	}
 	
 	if (!ret) {
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 		sigemptyset(&dev->sigmask);
 		sigaddset(&dev->sigmask, SIGSTOP);
 		sigaddset(&dev->sigmask, SIGTSTP);
@@ -1083,7 +1082,7 @@ int mga_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 		dev->sigdata.context = lock.context;
 		dev->sigdata.lock    = dev->lock.hw_lock;
 		block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-#endif
+
 		if (lock.flags & _DRM_LOCK_QUIESCENT) {
 		   DRM_DEBUG("_DRM_LOCK_QUIESCENT\n");
 		   mga_flush_queue(dev);
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_drv.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_drv.c
index a4a8fe559..f6a4a43b6 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_drv.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/mga_drv.c
@@ -655,8 +655,6 @@ int mga_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
 	   DRM_ERROR("\n");
 	}
 
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 	unblock_all_signals();
-#endif
 	return 0;
 }
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/r128_drv.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/r128_drv.c
index c4eb634d5..bb24b13e1 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/r128_drv.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/r128_drv.c
@@ -656,7 +656,6 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 #endif
 
         if (!ret) {
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 		sigemptyset(&dev->sigmask);
 		sigaddset(&dev->sigmask, SIGSTOP);
 		sigaddset(&dev->sigmask, SIGTSTP);
@@ -665,7 +664,7 @@ int r128_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 		dev->sigdata.context = lock.context;
 		dev->sigdata.lock    = dev->lock.hw_lock;
 		block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-#endif
+
                 if (lock.flags & _DRM_LOCK_READY) {
 				/* Wait for space in DMA/FIFO */
 		}
@@ -730,8 +729,6 @@ int r128_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
 	}
 #endif
 
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 	unblock_all_signals();
-#endif
 	return 0;
 }
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_drv.c b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_drv.c
index 434a1ccd6..06ae79889 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_drv.c
+++ b/xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/sis_drv.c
@@ -626,7 +626,6 @@ int sis_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 #endif
 
         if (!ret) {
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 		sigemptyset(&dev->sigmask);
 		sigaddset(&dev->sigmask, SIGSTOP);
 		sigaddset(&dev->sigmask, SIGTSTP);
@@ -635,7 +634,7 @@ int sis_lock(struct inode *inode, struct file *filp, unsigned int cmd,
 		dev->sigdata.context = lock.context;
 		dev->sigdata.lock    = dev->lock.hw_lock;
 		block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
-#endif
+
                 if (lock.flags & _DRM_LOCK_READY) {
 				/* Wait for space in DMA/FIFO */
 		}
@@ -687,9 +686,7 @@ int sis_unlock(struct inode *inode, struct file *filp, unsigned int cmd,
 		}
 	}
 
-#if LINUX_VERSION_CODE >= 0x020400 /* KERNEL_VERSION(2,4,0) */
 	unblock_all_signals();
-#endif
 	return 0;
 }