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-rw-r--r--arch/powerpc/include/asm/device.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index a3954e4..16d25c0 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -9,6 +9,12 @@
struct dma_map_ops;
struct device_node;
+/*
+ * Arch extensions to struct device.
+ *
+ * When adding fields, consider macio_add_one_device in
+ * drivers/macintosh/macio_asic.c
+ */
struct dev_archdata {
/* DMA operations on that device */
struct dma_map_ops *dma_ops;
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