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path: root/drivers/mmc/card/block.c
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Diffstat (limited to 'drivers/mmc/card/block.c')
-rw-r--r--drivers/mmc/card/block.c56
1 files changed, 39 insertions, 17 deletions
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index b1809650b7a..dabec556ebb 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -873,7 +873,7 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
873{ 873{
874 struct mmc_blk_data *md = mq->data; 874 struct mmc_blk_data *md = mq->data;
875 struct mmc_card *card = md->queue.card; 875 struct mmc_card *card = md->queue.card;
876 unsigned int from, nr, arg; 876 unsigned int from, nr, arg, trim_arg, erase_arg;
877 int err = 0, type = MMC_BLK_SECDISCARD; 877 int err = 0, type = MMC_BLK_SECDISCARD;
878 878
879 if (!(mmc_can_secure_erase_trim(card) || mmc_can_sanitize(card))) { 879 if (!(mmc_can_secure_erase_trim(card) || mmc_can_sanitize(card))) {
@@ -881,20 +881,26 @@ static int mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq,
881 goto out; 881 goto out;
882 } 882 }
883 883
884 from = blk_rq_pos(req);
885 nr = blk_rq_sectors(req);
886
884 /* The sanitize operation is supported at v4.5 only */ 887 /* The sanitize operation is supported at v4.5 only */
885 if (mmc_can_sanitize(card)) { 888 if (mmc_can_sanitize(card)) {
886 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, 889 erase_arg = MMC_ERASE_ARG;
887 EXT_CSD_SANITIZE_START, 1, 0); 890 trim_arg = MMC_TRIM_ARG;
888 goto out; 891 } else {
892 erase_arg = MMC_SECURE_ERASE_ARG;
893 trim_arg = MMC_SECURE_TRIM1_ARG;
889 } 894 }
890 895
891 from = blk_rq_pos(req); 896 if (mmc_erase_group_aligned(card, from, nr))
892 nr = blk_rq_sectors(req); 897 arg = erase_arg;
893 898 else if (mmc_can_trim(card))
894 if (mmc_can_trim(card) && !mmc_erase_group_aligned(card, from, nr)) 899 arg = trim_arg;
895 arg = MMC_SECURE_TRIM1_ARG; 900 else {
896 else 901 err = -EINVAL;
897 arg = MMC_SECURE_ERASE_ARG; 902 goto out;
903 }
898retry: 904retry:
899 if (card->quirks & MMC_QUIRK_INAND_CMD38) { 905 if (card->quirks & MMC_QUIRK_INAND_CMD38) {
900 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, 906 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
@@ -904,25 +910,41 @@ retry:
904 INAND_CMD38_ARG_SECERASE, 910 INAND_CMD38_ARG_SECERASE,
905 0); 911 0);
906 if (err) 912 if (err)
907 goto out; 913 goto out_retry;
908 } 914 }
915
909 err = mmc_erase(card, from, nr, arg); 916 err = mmc_erase(card, from, nr, arg);
910 if (!err && arg == MMC_SECURE_TRIM1_ARG) { 917 if (err == -EIO)
918 goto out_retry;
919 if (err)
920 goto out;
921
922 if (arg == MMC_SECURE_TRIM1_ARG) {
911 if (card->quirks & MMC_QUIRK_INAND_CMD38) { 923 if (card->quirks & MMC_QUIRK_INAND_CMD38) {
912 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, 924 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
913 INAND_CMD38_ARG_EXT_CSD, 925 INAND_CMD38_ARG_EXT_CSD,
914 INAND_CMD38_ARG_SECTRIM2, 926 INAND_CMD38_ARG_SECTRIM2,
915 0); 927 0);
916 if (err) 928 if (err)
917 goto out; 929 goto out_retry;
918 } 930 }
931
919 err = mmc_erase(card, from, nr, MMC_SECURE_TRIM2_ARG); 932 err = mmc_erase(card, from, nr, MMC_SECURE_TRIM2_ARG);
933 if (err == -EIO)
934 goto out_retry;
935 if (err)
936 goto out;
920 } 937 }
921out: 938
922 if (err == -EIO && !mmc_blk_reset(md, card->host, type)) 939 if (mmc_can_sanitize(card))
940 err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
941 EXT_CSD_SANITIZE_START, 1, 0);
942out_retry:
943 if (err && !mmc_blk_reset(md, card->host, type))
923 goto retry; 944 goto retry;
924 if (!err) 945 if (!err)
925 mmc_blk_reset_success(md, type); 946 mmc_blk_reset_success(md, type);
947out:
926 spin_lock_irq(&md->lock); 948 spin_lock_irq(&md->lock);
927 __blk_end_request(req, err, blk_rq_bytes(req)); 949 __blk_end_request(req, err, blk_rq_bytes(req));
928 spin_unlock_irq(&md->lock); 950 spin_unlock_irq(&md->lock);
@@ -1802,7 +1824,7 @@ static void mmc_blk_remove(struct mmc_card *card)
1802} 1824}
1803 1825
1804#ifdef CONFIG_PM 1826#ifdef CONFIG_PM
1805static int mmc_blk_suspend(struct mmc_card *card, pm_message_t state) 1827static int mmc_blk_suspend(struct mmc_card *card)
1806{ 1828{
1807 struct mmc_blk_data *part_md; 1829 struct mmc_blk_data *part_md;
1808 struct mmc_blk_data *md = mmc_get_drvdata(card); 1830 struct mmc_blk_data *md = mmc_get_drvdata(card);