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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/block.c40
-rw-r--r--drivers/mmc/core/core.c18
-rw-r--r--drivers/mmc/core/mmc_ops.c38
-rw-r--r--drivers/mmc/core/mmc_ops.h2
4 files changed, 38 insertions, 60 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 7634894df853..8499b56a15a8 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -70,7 +70,6 @@ MODULE_ALIAS("mmc:block");
* ample.
*/
#define MMC_BLK_TIMEOUT_MS (10 * 1000)
-#define MMC_SANITIZE_REQ_TIMEOUT 240000
#define MMC_EXTRACT_INDEX_FROM_ARG(x) ((x & 0x00FF0000) >> 16)
#define MMC_EXTRACT_VALUE_FROM_ARG(x) ((x & 0x0000FF00) >> 8)
@@ -413,34 +412,6 @@ static int mmc_blk_ioctl_copy_to_user(struct mmc_ioc_cmd __user *ic_ptr,
return 0;
}
-static int ioctl_do_sanitize(struct mmc_card *card)
-{
- int err;
-
- if (!mmc_can_sanitize(card)) {
- pr_warn("%s: %s - SANITIZE is not supported\n",
- mmc_hostname(card->host), __func__);
- err = -EOPNOTSUPP;
- goto out;
- }
-
- pr_debug("%s: %s - SANITIZE IN PROGRESS...\n",
- mmc_hostname(card->host), __func__);
-
- err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_SANITIZE_START, 1,
- MMC_SANITIZE_REQ_TIMEOUT);
-
- if (err)
- pr_err("%s: %s - EXT_CSD_SANITIZE_START failed. err=%d\n",
- mmc_hostname(card->host), __func__, err);
-
- pr_debug("%s: %s - SANITIZE COMPLETED\n", mmc_hostname(card->host),
- __func__);
-out:
- return err;
-}
-
static int card_busy_detect(struct mmc_card *card, unsigned int timeout_ms,
u32 *resp_errs)
{
@@ -569,15 +540,8 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
}
if ((MMC_EXTRACT_INDEX_FROM_ARG(cmd.arg) == EXT_CSD_SANITIZE_START) &&
- (cmd.opcode == MMC_SWITCH)) {
- err = ioctl_do_sanitize(card);
-
- if (err)
- pr_err("%s: ioctl_do_sanitize() failed. err = %d",
- __func__, err);
-
- return err;
- }
+ (cmd.opcode == MMC_SWITCH))
+ return mmc_sanitize(card);
mmc_wait_for_req(card->host, &mrq);
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 3f7a31456eb4..4c5de6d37ac7 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -403,23 +403,6 @@ void mmc_wait_for_req_done(struct mmc_host *host, struct mmc_request *mrq)
cmd = mrq->cmd;
- /*
- * If host has timed out waiting for the sanitize
- * to complete, card might be still in programming state
- * so let's try to bring the card out of programming
- * state.
- */
- if (cmd->sanitize_busy && cmd->error == -ETIMEDOUT) {
- if (!mmc_interrupt_hpi(host->card)) {
- pr_warn("%s: %s: Interrupted sanitize\n",
- mmc_hostname(host), __func__);
- cmd->error = 0;
- break;
- } else {
- pr_err("%s: %s: Failed to interrupt sanitize\n",
- mmc_hostname(host), __func__);
- }
- }
if (!cmd->error || !cmd->retries ||
mmc_card_removed(host->card))
break;
@@ -1925,7 +1908,6 @@ int mmc_can_sanitize(struct mmc_card *card)
return 1;
return 0;
}
-EXPORT_SYMBOL(mmc_can_sanitize);
int mmc_can_secure_erase_trim(struct mmc_card *card)
{
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index c75c00b5890d..5bd0ab8b236a 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -21,6 +21,7 @@
#define MMC_BKOPS_TIMEOUT_MS (120 * 1000) /* 120s */
#define MMC_CACHE_FLUSH_TIMEOUT_MS (30 * 1000) /* 30s */
+#define MMC_SANITIZE_TIMEOUT_MS (240 * 1000) /* 240s */
static const u8 tuning_blk_pattern_4bit[] = {
0xff, 0x0f, 0xff, 0x00, 0xff, 0xcc, 0xc3, 0xcc,
@@ -597,9 +598,6 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
cmd.flags |= MMC_RSP_SPI_R1 | MMC_RSP_R1;
}
- if (index == EXT_CSD_SANITIZE_START)
- cmd.sanitize_busy = true;
-
err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
if (err)
goto out;
@@ -1032,3 +1030,37 @@ int mmc_cmdq_disable(struct mmc_card *card)
return mmc_cmdq_switch(card, false);
}
EXPORT_SYMBOL_GPL(mmc_cmdq_disable);
+
+int mmc_sanitize(struct mmc_card *card)
+{
+ struct mmc_host *host = card->host;
+ int err;
+
+ if (!mmc_can_sanitize(card)) {
+ pr_warn("%s: Sanitize not supported\n", mmc_hostname(host));
+ return -EOPNOTSUPP;
+ }
+
+ pr_debug("%s: Sanitize in progress...\n", mmc_hostname(host));
+
+ mmc_retune_hold(host);
+
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_SANITIZE_START,
+ 1, MMC_SANITIZE_TIMEOUT_MS);
+ if (err)
+ pr_err("%s: Sanitize failed err=%d\n", mmc_hostname(host), err);
+
+ /*
+ * If the sanitize operation timed out, the card is probably still busy
+ * in the R1_STATE_PRG. Rather than continue to wait, let's try to abort
+ * it with a HPI command to get back into R1_STATE_TRAN.
+ */
+ if (err == -ETIMEDOUT && !mmc_interrupt_hpi(card))
+ pr_warn("%s: Sanitize aborted\n", mmc_hostname(host));
+
+ mmc_retune_release(host);
+
+ pr_debug("%s: Sanitize completed\n", mmc_hostname(host));
+ return err;
+}
+EXPORT_SYMBOL_GPL(mmc_sanitize);
diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h
index 38dcfeeaf6d5..632009260e51 100644
--- a/drivers/mmc/core/mmc_ops.h
+++ b/drivers/mmc/core/mmc_ops.h
@@ -32,7 +32,6 @@ int mmc_send_cid(struct mmc_host *host, u32 *cid);
int mmc_spi_read_ocr(struct mmc_host *host, int highcap, u32 *ocrp);
int mmc_spi_set_crc(struct mmc_host *host, int use_crc);
int mmc_bus_test(struct mmc_card *card, u8 bus_width);
-int mmc_interrupt_hpi(struct mmc_card *card);
int mmc_can_ext_csd(struct mmc_card *card);
int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd);
int mmc_switch_status(struct mmc_card *card, bool crc_err_fatal);
@@ -47,6 +46,7 @@ void mmc_run_bkops(struct mmc_card *card);
int mmc_flush_cache(struct mmc_card *card);
int mmc_cmdq_enable(struct mmc_card *card);
int mmc_cmdq_disable(struct mmc_card *card);
+int mmc_sanitize(struct mmc_card *card);
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-18 04:02:01 +0000