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-rw-r--r--arch/arc/include/asm/arcregs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h
index 135f6ec08a69..aee1ee263065 100644
--- a/arch/arc/include/asm/arcregs.h
+++ b/arch/arc/include/asm/arcregs.h
@@ -120,6 +120,8 @@
/*
* DSP-related registers
+ * Registers names must correspond to dsp_callee_regs structure fields names
+ * for automatic offset calculation in DSP_AUX_SAVE_RESTORE macros.
*/
#define ARC_AUX_DSP_BUILD 0x7A
#define ARC_AUX_ACC0_LO 0x580