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-rw-r--r--v4l/compat.h8
-rwxr-xr-xv4l/scripts/make_config_compat.pl21
2 files changed, 28 insertions, 1 deletions
diff --git a/v4l/compat.h b/v4l/compat.h
index 6b3504706..11dc57109 100644
--- a/v4l/compat.h
+++ b/v4l/compat.h
@@ -9,7 +9,7 @@
* non-delayed work and struct delayed_work was created for delayed work. This
* will rename the structures. Hopefully no one will decide to name something
* delayed_work in the same context as something named work_struct. */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
+#ifdef NEED_DELAYED_WORK
#define delayed_work work_struct
#define INIT_DELAYED_WORK(a,b,c) INIT_WORK(a,b,c)
#endif
@@ -146,6 +146,12 @@ do { \
((dev->bus && 0 == strcmp(dev->bus->name, "i2c")) ? to_i2c_client(dev) : NULL)
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 31)
+/* Construct an I2C_CLIENT_END-terminated array of i2c addresses */
+#define I2C_ADDRS(addr, addrs...) \
+ ((const unsigned short []){ addr, ## addrs, I2C_CLIENT_END })
+#endif
+
#ifndef USB_DEVICE_AND_INTERFACE_INFO
# define USB_DEVICE_AND_INTERFACE_INFO(vend,prod,cl,sc,pr) \
.match_flags = USB_DEVICE_ID_MATCH_INT_INFO \
diff --git a/v4l/scripts/make_config_compat.pl b/v4l/scripts/make_config_compat.pl
index 7c7841459..1f5b8bae6 100755
--- a/v4l/scripts/make_config_compat.pl
+++ b/v4l/scripts/make_config_compat.pl
@@ -338,6 +338,26 @@ sub check_bitops()
$out.= "\n#define NEED_BITOPS 1\n";
}
+sub check_delayed_work()
+{
+ my @files = ( "$kdir//include/linux/workqueue.h" );
+
+ foreach my $file ( @files ) {
+ open IN, "<$file" or die "File not found: $file";
+ while (<IN>) {
+ if (m/struct\s+delayed_work/) {
+ close IN;
+ # definition found. No need for compat
+ return;
+ }
+ }
+ close IN;
+ }
+
+ # definition not found. This means that we need compat
+ $out.= "\n#define NEED_DELAYED_WORK 1\n";
+}
+
sub check_other_dependencies()
{
check_spin_lock();
@@ -357,6 +377,7 @@ sub check_other_dependencies()
check_poll_schedule();
check_snd_BUG_ON();
check_bitops();
+ check_delayed_work();
}
# Do the basic rules