From mboxrd@z Thu Jan  1 00:00:00 1970
From: Luis R. Rodriguez <lrodriguez@atheros.com>
Date: Mon, 13 Dec 2010 10:08:53 -0800
Subject: [ath9k-devel] Build Error Report
In-Reply-To: <20101213144718.8BA8.2E210E2F@nifty.com>
References: <20101213144718.8BA8.2E210E2F@nifty.com>
Message-ID: <20101213180853.GF637@tux>
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To: ath9k-devel@lists.ath9k.org

On Sun, Dec 12, 2010 at 09:47:19PM -0800, Masahiro Inoue wrote:
> Hello,
> 
> The build error occurs by compat-wireless-2010-12-12.
> My kernel is 2.6.27. 
> 
>   CC [M]  /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.o
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c: In function 'ath_pci_extn_synch_enable':
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c:118: error: 'PCI_EXP_LNKCTL_ES' undeclared (first use in this function)
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c:118: error: (Each undeclared identifier is reported only once
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c:118: error: for each function it appears in.)
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c: At top level:
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c:348: warning: useless storage class specifier in empty declaration
> /home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.c:348: warning: empty declaration
> make[5]: *** [/home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k/pci.o] Error 1
> make[4]: *** [/home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath/ath9k] Error 2
> make[3]: *** [/home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless/ath] Error 2
> make[2]: *** [/home/miyabi/test/compat-wireless/compat-wireless-2010-12-12/drivers/net/wireless] Error 2
> make[1]: *** [_module_/home/miyabi/test/compat-wireless/compat-wireless-2010-12-12] Error 2
> make[1]: Leaving directory `/usr/src/kernels/2.6.27-67vl5-x86_64'
> make: *** [modules] Error 2

Like you just need PCI_EXP_LNKCTL_ES defined added via 322162a7 on
v2.6.29-rc1~181^2~19.  Can you try this simple patch?

--- include/linux/compat-2.6.29.h.orig	2010-12-13 10:08:19.697355996 -0800
+++ include/linux/compat-2.6.29.h	2010-12-13 10:07:58.307355996 -0800
@@ -17,6 +17,8 @@
 #include <linux/skbuff.h>
 #include <linux/usb.h>
 
+#define  PCI_EXP_LNKCTL_ES     0x0080  /* Extended Synch */
+
 /*
  * Older kernels do not have struct net_device_ops but what we can
  * do is just define the data structure and use a caller to let us