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-rw-r--r--drivers/mmc/core/core.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 68f5f4ba57e..e2e1dd40fb1 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1753,7 +1753,7 @@ void mmc_init_erase(struct mmc_card *card)
card->erase_shift = ffs(card->ssr.au) - 1;
} else if (card->ext_csd.hc_erase_size) {
card->pref_erase = card->ext_csd.hc_erase_size;
- } else {
+ } else if (card->erase_size) {
sz = (card->csd.capacity << (card->csd.read_blkbits - 9)) >> 11;
if (sz < 128)
card->pref_erase = 512 * 1024 / 512;
@@ -1770,7 +1770,8 @@ void mmc_init_erase(struct mmc_card *card)
if (sz)
card->pref_erase += card->erase_size - sz;
}
- }
+ } else
+ card->pref_erase = 0;
}
static unsigned int mmc_mmc_erase_timeout(struct mmc_card *card,