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path: root/drivers/mmc/core/mmc_ops.c
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Diffstat (limited to 'drivers/mmc/core/mmc_ops.c')
-rw-r--r--drivers/mmc/core/mmc_ops.c59
1 files changed, 20 insertions, 39 deletions
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 265d95ec82ce..5756781fef37 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -296,61 +296,40 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host,
return 0;
}
-static int mmc_spi_send_csd(struct mmc_host *host, u32 *csd)
+static int mmc_spi_send_cxd(struct mmc_host *host, u32 *cxd, u32 opcode)
{
int ret, i;
- __be32 *csd_tmp;
+ __be32 *cxd_tmp;
- csd_tmp = kzalloc(16, GFP_KERNEL);
- if (!csd_tmp)
+ cxd_tmp = kzalloc(16, GFP_KERNEL);
+ if (!cxd_tmp)
return -ENOMEM;
- ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CSD, csd_tmp, 16);
+ ret = mmc_send_cxd_data(NULL, host, opcode, cxd_tmp, 16);
if (ret)
goto err;
for (i = 0; i < 4; i++)
- csd[i] = be32_to_cpu(csd_tmp[i]);
+ cxd[i] = be32_to_cpu(cxd_tmp[i]);
err:
- kfree(csd_tmp);
+ kfree(cxd_tmp);
return ret;
}
int mmc_send_csd(struct mmc_card *card, u32 *csd)
{
if (mmc_host_is_spi(card->host))
- return mmc_spi_send_csd(card->host, csd);
+ return mmc_spi_send_cxd(card->host, csd, MMC_SEND_CSD);
return mmc_send_cxd_native(card->host, card->rca << 16, csd,
MMC_SEND_CSD);
}
-static int mmc_spi_send_cid(struct mmc_host *host, u32 *cid)
-{
- int ret, i;
- __be32 *cid_tmp;
-
- cid_tmp = kzalloc(16, GFP_KERNEL);
- if (!cid_tmp)
- return -ENOMEM;
-
- ret = mmc_send_cxd_data(NULL, host, MMC_SEND_CID, cid_tmp, 16);
- if (ret)
- goto err;
-
- for (i = 0; i < 4; i++)
- cid[i] = be32_to_cpu(cid_tmp[i]);
-
-err:
- kfree(cid_tmp);
- return ret;
-}
-
int mmc_send_cid(struct mmc_host *host, u32 *cid)
{
if (mmc_host_is_spi(host))
- return mmc_spi_send_cid(host, cid);
+ return mmc_spi_send_cxd(host, cid, MMC_SEND_CID);
return mmc_send_cxd_native(host, 0, cid, MMC_ALL_SEND_CID);
}
@@ -553,12 +532,13 @@ int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
* @timing: new timing to change to
* @send_status: send status cmd to poll for busy
* @retry_crc_err: retry when CRC errors when polling with CMD13 for busy
+ * @retries: number of retries
*
* Modifies the EXT_CSD register for selected card.
*/
int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
unsigned int timeout_ms, unsigned char timing,
- bool send_status, bool retry_crc_err)
+ bool send_status, bool retry_crc_err, unsigned int retries)
{
struct mmc_host *host = card->host;
int err;
@@ -598,7 +578,7 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
cmd.flags |= MMC_RSP_SPI_R1 | MMC_RSP_R1;
}
- err = mmc_wait_for_cmd(host, &cmd, MMC_CMD_RETRIES);
+ err = mmc_wait_for_cmd(host, &cmd, retries);
if (err)
goto out;
@@ -633,7 +613,7 @@ int mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
unsigned int timeout_ms)
{
return __mmc_switch(card, set, index, value, timeout_ms, 0,
- true, false);
+ true, false, MMC_CMD_RETRIES);
}
EXPORT_SYMBOL_GPL(mmc_switch);
@@ -988,9 +968,7 @@ int mmc_flush_cache(struct mmc_card *card)
{
int err = 0;
- if (mmc_card_mmc(card) &&
- (card->ext_csd.cache_size > 0) &&
- (card->ext_csd.cache_ctrl & 1)) {
+ if (mmc_cache_enabled(card->host)) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_FLUSH_CACHE, 1,
MMC_CACHE_FLUSH_TIMEOUT_MS);
@@ -1031,7 +1009,7 @@ int mmc_cmdq_disable(struct mmc_card *card)
}
EXPORT_SYMBOL_GPL(mmc_cmdq_disable);
-int mmc_sanitize(struct mmc_card *card)
+int mmc_sanitize(struct mmc_card *card, unsigned int timeout_ms)
{
struct mmc_host *host = card->host;
int err;
@@ -1041,12 +1019,15 @@ int mmc_sanitize(struct mmc_card *card)
return -EOPNOTSUPP;
}
+ if (!timeout_ms)
+ timeout_ms = MMC_SANITIZE_TIMEOUT_MS;
+
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);
+ err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_SANITIZE_START,
+ 1, timeout_ms, 0, true, false, 0);
if (err)
pr_err("%s: Sanitize failed err=%d\n", mmc_hostname(host), err);