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-rw-r--r--drivers/mmc/mmc-uclass.c8
-rw-r--r--drivers/mmc/mmc.c24
-rw-r--r--drivers/mmc/mmc_write.c8
-rw-r--r--drivers/mmc/omap_hsmmc.c6
-rw-r--r--drivers/mmc/renesas-sdhi.c7
-rw-r--r--include/mmc.h12
6 files changed, 33 insertions, 32 deletions
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 4a12324c6a..37c3843902 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -47,18 +47,18 @@ int mmc_set_ios(struct mmc *mmc)
return dm_mmc_set_ios(mmc->dev);
}
-int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout)
+int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us)
{
struct dm_mmc_ops *ops = mmc_get_ops(dev);
if (!ops->wait_dat0)
return -ENOSYS;
- return ops->wait_dat0(dev, state, timeout);
+ return ops->wait_dat0(dev, state, timeout_us);
}
-int mmc_wait_dat0(struct mmc *mmc, int state, int timeout)
+int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us)
{
- return dm_mmc_wait_dat0(mmc->dev, state, timeout);
+ return dm_mmc_wait_dat0(mmc->dev, state, timeout_us);
}
int dm_mmc_get_wp(struct udevice *dev)
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index e247730ff2..c8f71cd0c1 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -31,7 +31,7 @@ static int mmc_select_mode_and_width(struct mmc *mmc, uint card_caps);
#if !CONFIG_IS_ENABLED(DM_MMC)
-static int mmc_wait_dat0(struct mmc *mmc, int state, int timeout)
+static int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us)
{
return -ENOSYS;
}
@@ -230,12 +230,12 @@ int mmc_send_status(struct mmc *mmc, unsigned int *status)
return -ECOMM;
}
-int mmc_poll_for_busy(struct mmc *mmc, int timeout)
+int mmc_poll_for_busy(struct mmc *mmc, int timeout_ms)
{
unsigned int status;
int err;
- err = mmc_wait_dat0(mmc, 1, timeout * 1000);
+ err = mmc_wait_dat0(mmc, 1, timeout_ms * 1000);
if (err != -ENOSYS)
return err;
@@ -256,13 +256,13 @@ int mmc_poll_for_busy(struct mmc *mmc, int timeout)
return -ECOMM;
}
- if (timeout-- <= 0)
+ if (timeout_ms-- <= 0)
break;
udelay(1000);
}
- if (timeout <= 0) {
+ if (timeout_ms <= 0) {
#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT)
pr_err("Timeout waiting card ready\n");
#endif
@@ -750,17 +750,17 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
{
unsigned int status, start;
struct mmc_cmd cmd;
- int timeout = DEFAULT_CMD6_TIMEOUT_MS;
+ int timeout_ms = DEFAULT_CMD6_TIMEOUT_MS;
bool is_part_switch = (set == EXT_CSD_CMD_SET_NORMAL) &&
(index == EXT_CSD_PART_CONF);
int retries = 3;
int ret;
if (mmc->gen_cmd6_time)
- timeout = mmc->gen_cmd6_time * 10;
+ timeout_ms = mmc->gen_cmd6_time * 10;
if (is_part_switch && mmc->part_switch_time)
- timeout = mmc->part_switch_time * 10;
+ timeout_ms = mmc->part_switch_time * 10;
cmd.cmdidx = MMC_CMD_SWITCH;
cmd.resp_type = MMC_RSP_R1b;
@@ -778,7 +778,7 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
start = get_timer(0);
/* poll dat0 for rdy/buys status */
- ret = mmc_wait_dat0(mmc, 1, timeout * 1000);
+ ret = mmc_wait_dat0(mmc, 1, timeout_ms * 1000);
if (ret && ret != -ENOSYS)
return ret;
@@ -788,11 +788,11 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
* stated timeout to be sufficient.
*/
if (ret == -ENOSYS && !send_status)
- mdelay(timeout);
+ mdelay(timeout_ms);
/* Finally wait until the card is ready or indicates a failure
* to switch. It doesn't hurt to use CMD13 here even if send_status
- * is false, because by now (after 'timeout' ms) the bus should be
+ * is false, because by now (after 'timeout_ms' ms) the bus should be
* reliable.
*/
do {
@@ -806,7 +806,7 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
if (!ret && (status & MMC_STATUS_RDY_FOR_DATA))
return 0;
udelay(100);
- } while (get_timer(start) < timeout);
+ } while (get_timer(start) < timeout_ms);
return -ETIMEDOUT;
}
diff --git a/drivers/mmc/mmc_write.c b/drivers/mmc/mmc_write.c
index 02648b0f50..b52ff9f3bc 100644
--- a/drivers/mmc/mmc_write.c
+++ b/drivers/mmc/mmc_write.c
@@ -79,7 +79,7 @@ ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt)
u32 start_rem, blkcnt_rem;
struct mmc *mmc = find_mmc_device(dev_num);
lbaint_t blk = 0, blk_r = 0;
- int timeout = 1000;
+ int timeout_ms = 1000;
if (!mmc)
return -1;
@@ -119,7 +119,7 @@ ulong mmc_berase(struct blk_desc *block_dev, lbaint_t start, lbaint_t blkcnt)
blk += blk_r;
/* Waiting for the ready status */
- if (mmc_poll_for_busy(mmc, timeout))
+ if (mmc_poll_for_busy(mmc, timeout_ms))
return 0;
}
@@ -131,7 +131,7 @@ static ulong mmc_write_blocks(struct mmc *mmc, lbaint_t start,
{
struct mmc_cmd cmd;
struct mmc_data data;
- int timeout = 1000;
+ int timeout_ms = 1000;
if ((start + blkcnt) > mmc_get_blk_desc(mmc)->lba) {
printf("MMC: block number 0x" LBAF " exceeds max(0x" LBAF ")\n",
@@ -177,7 +177,7 @@ static ulong mmc_write_blocks(struct mmc *mmc, lbaint_t start,
}
/* Waiting for the ready status */
- if (mmc_poll_for_busy(mmc, timeout))
+ if (mmc_poll_for_busy(mmc, timeout_ms))
return 0;
return blkcnt;
diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c
index 3ea7f4e173..bade129aea 100644
--- a/drivers/mmc/omap_hsmmc.c
+++ b/drivers/mmc/omap_hsmmc.c
@@ -430,7 +430,7 @@ static void omap_hsmmc_conf_bus_power(struct mmc *mmc, uint signal_voltage)
writel(ac12, &mmc_base->ac12);
}
-static int omap_hsmmc_wait_dat0(struct udevice *dev, int state, int timeout)
+static int omap_hsmmc_wait_dat0(struct udevice *dev, int state, int timeout_us)
{
int ret = -ETIMEDOUT;
u32 con;
@@ -442,8 +442,8 @@ static int omap_hsmmc_wait_dat0(struct udevice *dev, int state, int timeout)
con = readl(&mmc_base->con);
writel(con | CON_CLKEXTFREE | CON_PADEN, &mmc_base->con);
- timeout = DIV_ROUND_UP(timeout, 10); /* check every 10 us. */
- while (timeout--) {
+ timeout_us = DIV_ROUND_UP(timeout_us, 10); /* check every 10 us. */
+ while (timeout_us--) {
dat0_high = !!(readl(&mmc_base->pstate) & PSTATE_DLEV_DAT0);
if (dat0_high == target_dat0_high) {
ret = 0;
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 7c53aa221e..0cb65b480d 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -499,15 +499,16 @@ static int renesas_sdhi_set_ios(struct udevice *dev)
}
#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT)
-static int renesas_sdhi_wait_dat0(struct udevice *dev, int state, int timeout)
+static int renesas_sdhi_wait_dat0(struct udevice *dev, int state,
+ int timeout_us)
{
int ret = -ETIMEDOUT;
bool dat0_high;
bool target_dat0_high = !!state;
struct tmio_sd_priv *priv = dev_get_priv(dev);
- timeout = DIV_ROUND_UP(timeout, 10); /* check every 10 us. */
- while (timeout--) {
+ timeout_us = DIV_ROUND_UP(timeout_us, 10); /* check every 10 us. */
+ while (timeout_us--) {
dat0_high = !!(tmio_sd_readl(priv, TMIO_SD_INFO2) & TMIO_SD_INFO2_DAT0);
if (dat0_high == target_dat0_high) {
ret = 0;
diff --git a/include/mmc.h b/include/mmc.h
index 46422f41a4..686ba00656 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -457,10 +457,10 @@ struct dm_mmc_ops {
*
* @dev: Device to check
* @state: target state
- * @timeout: timeout in us
+ * @timeout_us: timeout in us
* @return 0 if dat0 is in the target state, -ve on error
*/
- int (*wait_dat0)(struct udevice *dev, int state, int timeout);
+ int (*wait_dat0)(struct udevice *dev, int state, int timeout_us);
#if CONFIG_IS_ENABLED(MMC_HS400_ES_SUPPORT)
/* set_enhanced_strobe() - set HS400 enhanced strobe */
@@ -476,14 +476,14 @@ int dm_mmc_set_ios(struct udevice *dev);
int dm_mmc_get_cd(struct udevice *dev);
int dm_mmc_get_wp(struct udevice *dev);
int dm_mmc_execute_tuning(struct udevice *dev, uint opcode);
-int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout);
+int dm_mmc_wait_dat0(struct udevice *dev, int state, int timeout_us);
/* Transition functions for compatibility */
int mmc_set_ios(struct mmc *mmc);
int mmc_getcd(struct mmc *mmc);
int mmc_getwp(struct mmc *mmc);
int mmc_execute_tuning(struct mmc *mmc, uint opcode);
-int mmc_wait_dat0(struct mmc *mmc, int state, int timeout);
+int mmc_wait_dat0(struct mmc *mmc, int state, int timeout_us);
int mmc_set_enhanced_strobe(struct mmc *mmc);
#else
@@ -602,8 +602,8 @@ struct mmc {
u8 part_attr;
u8 wr_rel_set;
u8 part_config;
- u8 gen_cmd6_time;
- u8 part_switch_time;
+ u8 gen_cmd6_time; /* units: 10 ms */
+ u8 part_switch_time; /* units: 10 ms */
uint tran_speed;
uint legacy_speed; /* speed for the legacy mode provided by the card */
uint read_bl_len;