v4l-dvb: remove support for kernels < 2.6.0

From: Hans Verkuil <hverkuil@xs4all.nl>

First phase of the backwards compatibility cleanup: stop supporting kernels
older than 2.6.0.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

1 files changed, 2 insertions, 111 deletions

diff --git a/v4l/compat.h b/v4l/compat.h
index 88afe3d83..7abce35e0 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -31,10 +31,6 @@
 #define cancel_delayed_work_sync cancel_rearming_delayed_work
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,18)
-# define minor(x) MINOR(x)
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
 # define DEVICE_ATTR(a,b,c,d) CLASS_DEVICE_ATTR(a,b,c,d)
 # define device_create_file(a,b) class_device_create_file(a,b)
@@ -43,30 +39,6 @@
 # define device_unregister(a) class_device_unregister(a)
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-# include <linux/moduleparam.h>
-# include <linux/delay.h>
-# define need_resched() (current->need_resched)
-# define work_struct tq_struct
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
-# define BUG_ON(condition) do { if ((condition)!=0) BUG(); } while(0)
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
-# define irqreturn_t void
-# define IRQ_RETVAL(foobar)
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,71)
-# define strlcpy(dest,src,len) strncpy(dest,src,(len)-1)
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-# define iminor(inode) minor(inode->i_rdev)
-#endif
-
 #if defined(I2C_ADAP_CLASS_TV_ANALOG) && !defined(I2C_CLASS_TV_ANALOG)
 # define  I2C_CLASS_TV_ANALOG  I2C_ADAP_CLASS_TV_ANALOG
 # define  I2C_CLASS_TV_DIGITAL I2C_ADAP_CLASS_TV_DIGITAL
@@ -89,26 +61,6 @@
 # define assert_spin_locked(foobar)
 #endif
 
-/* Since v4l-dvb now includes it's own copy of linux/i2c-id.h these
-   are no longer necessary */
-/*
-#if !defined(I2C_ALGO_SAA7134)
-#define I2C_ALGO_SAA7134 I2C_HW_B_BT848
-#endif
-#if !defined(I2C_HW_B_CX2388x)
-# define I2C_HW_B_CX2388x I2C_HW_B_BT848
-#endif
-#if !defined(I2C_HW_SAA7134)
-# define I2C_HW_SAA7134 I2C_ALGO_SAA7134
-#endif
-#if !defined(I2C_HW_SAA7146)
-# define I2C_HW_SAA7146 I2C_ALGO_SAA7146
-#endif
-#if !defined(I2C_HW_B_EM2820)
-#define I2C_HW_B_EM2820 0x99
-#endif
-*/
-
 #ifndef I2C_M_IGNORE_NAK
 # define I2C_M_IGNORE_NAK 0x1000
 #endif
@@ -123,7 +75,7 @@
 #define __le32 __u32
 #endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7))
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7)
 static inline unsigned long msecs_to_jiffies(const unsigned int m)
 {
 #if HZ <= 1000 && !(1000 % HZ)
@@ -158,7 +110,7 @@ static inline void msleep(unsigned int msecs)
 }
 #endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)) && LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)
 static inline unsigned long msleep_interruptible(unsigned int msecs)
 {
 	unsigned long timeout = msecs_to_jiffies(msecs);
@@ -171,52 +123,6 @@ static inline unsigned long msleep_interruptible(unsigned int msecs)
 }
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-/* some keys from 2.6.x which are not (yet?) in 2.4.x */
-# define KEY_PLAY                207
-# define KEY_PRINT		 210
-# define KEY_EMAIL         215
-# define KEY_SEARCH              217
-# define KEY_SELECT 		 0x161
-# define KEY_GOTO                0x162
-# define KEY_INFO                0x166
-# define KEY_CHANNEL             0x16b
-# define KEY_LANGUAGE            0x170
-# define KEY_SUBTITLE		 0x172
-# define KEY_ZOOM                0x174
-# define KEY_MODE		 0x175
-# define KEY_TV                  0x179
-# define KEY_CD                  0x17f
-# define KEY_TUNER               0x182
-# define KEY_TEXT                0x184
-# define KEY_DVD		 0x185
-# define KEY_AUDIO               0x188
-# define KEY_VIDEO               0x189
-# define KEY_RED                 0x18e
-# define KEY_GREEN               0x18f
-# define KEY_YELLOW              0x190
-# define KEY_BLUE                0x191
-# define KEY_CHANNELUP           0x192
-# define KEY_CHANNELDOWN         0x193
-# define KEY_RESTART		 0x198
-# define KEY_SHUFFLE     	 0x19a
-# define KEY_NEXT                0x197
-# define KEY_RADIO               0x181
-# define KEY_PREVIOUS            0x19c
-# define KEY_MHP                 0x16f
-# define KEY_EPG                 0x16d
-# define KEY_FASTFORWARD         208
-# define KEY_LIST                0x18b
-# define KEY_LAST                0x195
-# define KEY_CLEAR               0x163
-# define KEY_AUX                 0x186
-# define KEY_SCREEN              0x177
-# define KEY_PC                  0x178
-# define KEY_MEDIA               226
-# define KEY_SLOW                0x199
-# define KEY_OK                  0x160
-# define KEY_DIGITS              0x19d
-#endif
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
 # define KEY_SEND		231
 # define KEY_REPLY		232
@@ -225,12 +131,6 @@ static inline unsigned long msleep_interruptible(unsigned int msecs)
 # define KEY_DOCUMENTS		235
 #endif
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#define container_of(ptr, type, member) ({                      \
-	const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
-	(type *)( (char *)__mptr - offsetof(type,member) );})
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10)
 #include <linux/mm.h>
 static inline unsigned long vmalloc_to_pfn(void * vmalloc_addr)
@@ -298,11 +198,7 @@ static inline int vm_insert_page(struct vm_area_struct *vma,
 
 /* try_to_freeze() lost its argument.  Must appear after linux/sched.h */
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) && defined(_LINUX_SCHED_H)
-# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 #  define try_to_freeze() try_to_freeze(PF_FREEZE)
-# else
-#  define try_to_freeze() (0)
-# endif
 #endif
 
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
@@ -317,11 +213,6 @@ static inline int vm_insert_page(struct vm_area_struct *vma,
 #endif
 #endif
 
-/* The class_device system didn't appear until 2.5.69 */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
-#define class_device_create_file(a, b) (0)
-#endif
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13)
 # define class_device_create(a, b, c, d, e, f, g, h) class_simple_device_add(a, c, d, e, f, g, h)
 # define class_device_destroy(a, b) class_simple_device_remove(b)