SVN r257228 breaks kernel build with gcc

[Konstantin Belousov]

On Mon, Oct 28, 2013 at 04:53:10PM -0400, Michael Butler wrote:
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> That is ..
> 
> - --- busdma_bounce.o ---
> cc1: warnings being treated as errors
> In file included from /usr/src/sys/x86/x86/busdma_bounce.c:54:
> /usr/src/sys/x86/include/busdma_impl.h:85: warning: redundant
> redeclaration of 'busdma_lock_mutex' [-Wredundant-decls]
> /usr/src/sys/sys/bus_dma.h:150: warning: previous declaration of
> 'busdma_lock_mutex' was here
> *** [busdma_bounce.o] Error code 1

Does the following patch allow you to successfully build the kernel with
gcc, or is there more issues left ?

diff --git a/sys/x86/include/busdma_impl.h b/sys/x86/include/busdma_impl.h
index 70c9a6f..b851e7a 100644
--- a/sys/x86/include/busdma_impl.h
+++ b/sys/x86/include/busdma_impl.h
@@ -82,7 +82,6 @@ struct bus_dma_impl {
 	    bus_dmasync_op_t op);
 };
 
-void busdma_lock_mutex(void *arg, bus_dma_lock_op_t op);
 void bus_dma_dflt_lock(void *arg, bus_dma_lock_op_t op);
 int bus_dma_run_filter(struct bus_dma_tag_common *dmat, bus_addr_t paddr);
 int common_bus_dma_tag_create(struct bus_dma_tag_common *parent,
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