Jaroslav,
With alsa-driver-1.0.0rc2, I run into the following compilation error
(which I have also seen posted by some others on this list):
gcc -D__KERNEL__ -DMODULE=1 -I/usr/src/redhat/BUILD/alsa-driver-1.0.0rc2/include
-I/lib/modules/2.4.22-1.2129.nptl/build/include -O2 -mpreferred-stack-boundary=2
-march=i686 -DLINUX -Wall -Wstrict-prototypes -fomit-frame-pointer -Wno-trigraphs -O2
-fno-strict-aliasing -fno-common -pipe -DALSA_BUILD -DKBUILD_BASENAME=serialmidi -c
-o serialmidi.o serialmidi.c
serialmidi.c: In function `open_tty':
serialmidi.c:164: error: invalid operands to binary >
make: *** [serialmidi.o] Error 1
I'm compiling in the Fedora Core 1 environment, with Linux kernel
2.4.22. I have made the patch below, which fixes the compilation
problem for me. (I don't know if the situation is different in 2.6.)
If you are not the person to handle this problem, please redirect me to
whoever is the appropriate maintainer. Thank you for your attention.
Derek
--- alsa-driver-1.0.0rc2/drivers/serialmidi.c.atomic 2003-12-12 17:37:12.000000000
+0100
+++ alsa-driver-1.0.0rc2/drivers/serialmidi.c 2003-12-12 17:33:57.000000000 +0100
@@ -161,7 +161,7 @@
retval = -EIO;
goto __end;
}
- if (tty->count > 1) {
+ if (atomic_read(&tty->count) > 1) {
snd_printk(KERN_ERR "tty %s is already used", serial->sdev);
retval = -EBUSY;
goto __end;
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