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Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/bus.c17
-rw-r--r--drivers/mmc/core/core.c10
-rw-r--r--drivers/mmc/core/mmc.c30
-rw-r--r--drivers/mmc/core/sdio_bus.c12
4 files changed, 48 insertions, 21 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 5d011a39dfff..3f606068d552 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -267,6 +267,15 @@ int mmc_add_card(struct mmc_card *card)
{
int ret;
const char *type;
+ const char *uhs_bus_speed_mode = "";
+ static const char *const uhs_speeds[] = {
+ [UHS_SDR12_BUS_SPEED] = "SDR12 ",
+ [UHS_SDR25_BUS_SPEED] = "SDR25 ",
+ [UHS_SDR50_BUS_SPEED] = "SDR50 ",
+ [UHS_SDR104_BUS_SPEED] = "SDR104 ",
+ [UHS_DDR50_BUS_SPEED] = "DDR50 ",
+ };
+
dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
@@ -296,6 +305,10 @@ int mmc_add_card(struct mmc_card *card)
break;
}
+ if (mmc_sd_card_uhs(card) &&
+ (card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
+ uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
+
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
@@ -303,13 +316,13 @@ int mmc_add_card(struct mmc_card *card)
mmc_card_ddr_mode(card) ? "DDR " : "",
type);
} else {
- pr_info("%s: new %s%s%s%s card at address %04x\n",
+ pr_info("%s: new %s%s%s%s%s card at address %04x\n",
mmc_hostname(card->host),
mmc_card_uhs(card) ? "ultra high speed " :
(mmc_card_highspeed(card) ? "high speed " : ""),
(mmc_card_hs200(card) ? "HS200 " : ""),
mmc_card_ddr_mode(card) ? "DDR " : "",
- type, card->rca);
+ uhs_bus_speed_mode, type, card->rca);
}
#ifdef CONFIG_DEBUG_FS
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 14f262e9246d..7474c47b9c08 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -527,10 +527,14 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
if (data->flags & MMC_DATA_WRITE)
/*
- * The limit is really 250 ms, but that is
- * insufficient for some crappy cards.
+ * The MMC spec "It is strongly recommended
+ * for hosts to implement more than 500ms
+ * timeout value even if the card indicates
+ * the 250ms maximum busy length." Even the
+ * previous value of 300ms is known to be
+ * insufficient for some cards.
*/
- limit_us = 300000;
+ limit_us = 3000000;
else
limit_us = 100000;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 02914d609a91..54df5adc0413 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -695,6 +695,11 @@ static int mmc_select_powerclass(struct mmc_card *card,
else if (host->ios.clock <= 200000000)
index = EXT_CSD_PWR_CL_200_195;
break;
+ case MMC_VDD_27_28:
+ case MMC_VDD_28_29:
+ case MMC_VDD_29_30:
+ case MMC_VDD_30_31:
+ case MMC_VDD_31_32:
case MMC_VDD_32_33:
case MMC_VDD_33_34:
case MMC_VDD_34_35:
@@ -1111,11 +1116,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
ext_csd_bits = (bus_width == MMC_BUS_WIDTH_8) ?
EXT_CSD_BUS_WIDTH_8 : EXT_CSD_BUS_WIDTH_4;
err = mmc_select_powerclass(card, ext_csd_bits, ext_csd);
- if (err) {
- pr_err("%s: power class selection to bus width %d failed\n",
- mmc_hostname(card->host), 1 << bus_width);
- goto err;
- }
+ if (err)
+ pr_warning("%s: power class selection to bus width %d"
+ " failed\n", mmc_hostname(card->host),
+ 1 << bus_width);
}
/*
@@ -1147,10 +1151,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_select_powerclass(card, ext_csd_bits[idx][0],
ext_csd);
if (err)
- pr_err("%s: power class selection to "
- "bus width %d failed\n",
- mmc_hostname(card->host),
- 1 << bus_width);
+ pr_warning("%s: power class selection to "
+ "bus width %d failed\n",
+ mmc_hostname(card->host),
+ 1 << bus_width);
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
@@ -1178,10 +1182,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
err = mmc_select_powerclass(card, ext_csd_bits[idx][1],
ext_csd);
if (err)
- pr_err("%s: power class selection to "
- "bus width %d ddr %d failed\n",
- mmc_hostname(card->host),
- 1 << bus_width, ddr);
+ pr_warning("%s: power class selection to "
+ "bus width %d ddr %d failed\n",
+ mmc_hostname(card->host),
+ 1 << bus_width, ddr);
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
EXT_CSD_BUS_WIDTH,
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 40989e6bb53a..236842ec955a 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -192,9 +192,15 @@ static int sdio_bus_remove(struct device *dev)
return ret;
}
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
+
+static int pm_no_operation(struct device *dev)
+{
+ return 0;
+}
static const struct dev_pm_ops sdio_bus_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_no_operation, pm_no_operation)
SET_RUNTIME_PM_OPS(
pm_generic_runtime_suspend,
pm_generic_runtime_resume,
@@ -204,11 +210,11 @@ static const struct dev_pm_ops sdio_bus_pm_ops = {
#define SDIO_PM_OPS_PTR (&sdio_bus_pm_ops)
-#else /* !CONFIG_PM_RUNTIME */
+#else /* !CONFIG_PM */
#define SDIO_PM_OPS_PTR NULL
-#endif /* !CONFIG_PM_RUNTIME */
+#endif /* !CONFIG_PM */
static struct bus_type sdio_bus_type = {
.name = "sdio",
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-17 14:20:01 +0000