Hi,
this is needed for the NONCOHERENT stuff ...
diff -u -r1.1 c-r4k.c
--- arch/mips/mm/c-r4k.c 2001/10/23 01:02:46 1.1
+++ arch/mips/mm/c-r4k.c 2001/11/27 02:02:19
@@ -1141,6 +1141,7 @@
flush_cache_all();
}
+#ifdef CONFIG_NONCOHERENT_IO
/*
* Writeback and invalidate the primary cache dcache before DMA.
*
@@ -1247,6 +1248,8 @@
panic("r4k_dma_cache called - should not happen.\n");
}
+#endif /* CONFIG_NONCOHERENT_IO */
+
/*
* While we're protected against bad userland addresses we don't care
* very much about what happens in that case. Usually a segmentation
@@ -1436,9 +1439,14 @@
_flush_icache_page = r4k_flush_icache_page_p;
+#ifdef CONFIG_NONCOHERENT_IO
+
_dma_cache_wback_inv = r4k_dma_cache_wback_inv_pc;
_dma_cache_wback = r4k_dma_cache_wback;
_dma_cache_inv = r4k_dma_cache_inv_pc;
+
+#endif
+
}
static void __init setup_scache_funcs(void)
@@ -1519,9 +1527,15 @@
}
___flush_cache_all = _flush_cache_all;
_flush_icache_page = r4k_flush_icache_page_s;
+
+#ifdef CONFIG_NONCOHERENT_IO
+
_dma_cache_wback_inv = r4k_dma_cache_wback_inv_sc;
_dma_cache_wback = r4k_dma_cache_wback;
_dma_cache_inv = r4k_dma_cache_inv_sc;
+
+#endif /* CONFIG_NONCOHERENT_IO */
+
}
typedef int (*probe_func_t)(unsigned long);
Flo
--
Florian Lohoff flo@rfc822.org +49-5201-669912
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