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-rw-r--r--include/usage.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/usage.h b/include/usage.h
index 60a9f99..1e489a5 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -835,6 +835,12 @@
#define USAGE_TRISTATE_HWIF(a)
#endif
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
+#define USAGE_GETSET_DMA(a) a
+#else
+#define USAGE_GETSET_DMA(a)
+#endif
+
#define hdparm_trivial_usage \
"[options] [device] .."
#define hdparm_full_usage \
@@ -845,7 +851,7 @@
" -B set Advanced Power Management setting (1-255)\n" \
" -c get/set IDE 32-bit IO setting\n" \
" -C check IDE power mode status\n" \
- " -d get/set using_dma flag\n" \
+ USAGE_GETSET_DMA(" -d get/set using_dma flag\n") \
" -D enable/disable drive defect-mgmt\n" \
" -f flush buffer cache for device on exit\n" \
" -g display drive geometry\n" \