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-rw-r--r--include/linux/mmc/sd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index 1a6d10fdf682..ec94a5aa02bb 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -95,5 +95,6 @@
* Erase/discard
*/
#define SD_ERASE_ARG 0x00000000
+#define SD_DISCARD_ARG 0x00000001
#endif /* LINUX_MMC_SD_H */