2 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 791f060a6f1d..86d81cf75b70 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -155,6 +155,7 @@ extern int mmc_can_trim(struct mmc_card *card);
 extern int mmc_can_secure_erase_trim(struct mmc_card *card);
 extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
                                    unsigned int nr);
+extern unsigned int mmc_calc_max_discard(struct mmc_card *card);
 
 extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index fc24b38b48cb..c67d19b5542a 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -231,6 +231,7 @@ struct mmc_host {
         unsigned int            max_req_size;   /* maximum number of bytes in one req */
         unsigned int            max_blk_size;   /* maximum size of one mmc block */
         unsigned int            max_blk_count;  /* maximum number of blocks in one req */
+        unsigned int            max_discard_to; /* max. discard timeout in ms */
 
         /* private data */
         spinlock_t              lock;           /* lock for claim and bus ops */