Problems compiling alsa-driver-1.0.14rc3 and Mercury driver

Problems compiling alsa-driver-1.0.14rc3 and Mercury driver

[Allyn, Mark A]

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Hi:
 
I am getting the same error trying to compile either the 1.0.14rc3 or
the Mercury versions of the driver.
 
I get the following in both:
 
====================================
 
  CC [M]  /root/newaudio/alsa-driver-1.0.14rc3/acore/rtctimer.o
In file included from
/root/newaudio/alsa-driver-1.0.14rc3/include/linux/log2.h:1,
                 from
/root/newaudio/alsa-driver-1.0.14rc3/acore/../alsa-kernel/core/rtctimer.
c:27,
                 from
/root/newaudio/alsa-driver-1.0.14rc3/acore/rtctimer.c:1:
/root/newaudio/alsa-driver-1.0.14rc3/include/log2_compat.h:8: error:
syntax error before "is_power_of_2"
/root/newaudio/alsa-driver-1.0.14rc3/include/log2_compat.h:9: warning:
return type defaults to `int'
make[4]: *** [/root/newaudio/alsa-driver-1.0.14rc3/acore/rtctimer.o]
Error 1
make[3]: *** [/root/newaudio/alsa-driver-1.0.14rc3/acore] Error 2
make[2]: *** [_module_/root/newaudio/alsa-driver-1.0.14rc3] Error 2
make[1]: *** [modules] Error 2
make[1]: Leaving directory `/mnt1/src/linux-2.6.17.13.i686'
make: *** [compile] Error 2

 
====================================
 
The header file, log2_compat.h is not in the rc2 release; I have no
problems compiling rc2.
 
Does this mean that I have to be up to a certain rev on the kernel?
 
I am running red flag with the 2.6.17.13 kernel.
 
Thanks
 
Mark Allyn

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Re: Problems compiling alsa-driver-1.0.14rc3 and Mercury driver

[Tobin Davis]

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Several of my testers are being blocked by this as well.  Instead of
having a log2_compat.h, wouldn't it be easier to have an rtctimer.patch
that reverts to prior rtctimer.c behaviour?  What was the purpose of
this patch?  The l"is_power_of_2 function isn't even in a release kernel
(it will be in 2.6.21).

Here is a patch against the 1.0.14rc3 tarball.  It will need more
refinement for HG, but it works on my Mandriva 2007 kernels.


Signed off by Tobin Davis <tdavis@dsl-only.net>

On Thu, 2007-03-01 at 11:56 -0800, Allyn, Mark A wrote:
> Hi:
>  
> I am getting the same error trying to compile either the 1.0.14rc3 or
> the Mercury versions of the driver.
>  
> I get the following in both:
>  
> ====================================
>  
>   CC [M]  /root/newaudio/alsa-driver-1.0.14rc3/acore/rtctimer.o
> In file included
> from /root/newaudio/alsa-driver-1.0.14rc3/include/linux/log2.h:1,
> 
> from /root/newaudio/alsa-driver-1.0.14rc3/acore/../alsa-kernel/core/rtctimer.c:27,
> 
> from /root/newaudio/alsa-driver-1.0.14rc3/acore/rtctimer.c:1:
> /root/newaudio/alsa-driver-1.0.14rc3/include/log2_compat.h:8: error:
> syntax error before "is_power_of_2"
> /root/newaudio/alsa-driver-1.0.14rc3/include/log2_compat.h:9: warning:
> return type defaults to `int'
> make[4]: *** [/root/newaudio/alsa-driver-1.0.14rc3/acore/rtctimer.o]
> Error 1
> make[3]: *** [/root/newaudio/alsa-driver-1.0.14rc3/acore] Error 2
> make[2]: *** [_module_/root/newaudio/alsa-driver-1.0.14rc3] Error 2
> make[1]: *** [modules] Error 2
> make[1]: Leaving directory `/mnt1/src/linux-2.6.17.13.i686'
> make: *** [compile] Error 2
> 
>  
> ====================================
>  
> The header file, log2_compat.h is not in the rc2 release; I have no
> problems compiling rc2.
>  
> Does this mean that I have to be up to a certain rev on the kernel?
>  
> I am running red flag with the 2.6.17.13 kernel.
>  
> Thanks
>  
> Mark Allyn
> 
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--- alsa-driver-1.0.14rc3.orig/acore/Makefile	2007-02-26 00:59:24.000000000 -0800
+++ alsa-driver-1.0.14rc3/acore/Makefile	2007-03-02 09:57:45.000000000 -0800
@@ -6,12 +6,12 @@
 include $(SND_TOPDIR)/Makefile.conf
 
 clean-files := info.c pcm.c pcm_native.c control.c hwdep.c init.c rawmidi.c \
-	       sound.c timer.c memalloc.c misc.c
+	       sound.c timer.c memalloc.c misc.c rtctimer.c
 
 export-objs := control.o device.o info.o info_oss.o init.o isadma.o memory.o \
 	misc.o misc_driver.o sound.o sound_oss.o \
 	pcm.o pcm_lib.o pcm_memory.o pcm_misc.o pcm_native.o \
-	rawmidi.o timer.o hwdep.o memalloc.o
+	rawmidi.o timer.o hwdep.o memalloc.o rtctimer.o
 
 include $(SND_TOPDIR)/alsa-kernel/core/Makefile
 
@@ -36,5 +36,6 @@
 rawmidi.c: rawmidi.patch $(SND_TOPDIR)/alsa-kernel/core/rawmidi.c
 sound.c: sound.patch $(SND_TOPDIR)/alsa-kernel/core/sound.c
 timer.c: timer.patch $(SND_TOPDIR)/alsa-kernel/core/timer.c
+rtctimer.c: rtctimer.patch $(SND_TOPDIR)/alsa-kernel/core/rtctimer.c
 memalloc.c: memalloc.patch memalloc.inc memalloc.inc1 $(SND_TOPDIR)/alsa-kernel/core/memalloc.c
 misc.c: misc.patch $(SND_TOPDIR)/alsa-kernel/core/misc.c
--- /dev/null	2007-03-01 22:57:55.348146750 -0800
+++ alsa-driver-1.0.14rc3/acore/rtctimer.patch	2007-03-02 09:50:14.000000000 -0800
@@ -0,0 +1,24 @@
+--- ../alsa-kernel/core/rtctimer.c	2007-02-26 00:59:29.000000000 -0800
++++ rtctimer.c	2007-03-02 09:49:45.000000000 -0800
+@@ -24,7 +24,9 @@
+ #include <linux/init.h>
+ #include <linux/interrupt.h>
+ #include <linux/moduleparam.h>
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 21)
+ #include <linux/log2.h>
++#endif
+ #include <sound/core.h>
+ #include <sound/timer.h>
+ 
+@@ -130,7 +132,11 @@
+ 	struct snd_timer *timer;
+ 
+ 	if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
++#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 21)
+ 	    !is_power_of_2(rtctimer_freq)) {
++#else
++	    (rtctimer_freq & (rtctimer_freq - 1)) != 0) {
++#endif
+ 		snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n",
+ 			   rtctimer_freq);
+ 		return -EINVAL;

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