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path: root/drivers/mmc/core/sdio.c
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Diffstat (limited to 'drivers/mmc/core/sdio.c')
-rw-r--r--drivers/mmc/core/sdio.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index f64b9ac76a5c..83085e76486a 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -66,7 +66,7 @@ static struct attribute *sdio_std_attrs[] = {
};
ATTRIBUTE_GROUPS(sdio_std);
-static struct device_type sdio_type = {
+static const struct device_type sdio_type = {
.groups = sdio_std_groups,
};
@@ -198,7 +198,7 @@ static int sdio_read_cccr(struct mmc_card *card, u32 ocr)
if (ret)
goto out;
- if (mmc_host_uhs(card->host)) {
+ if (mmc_host_can_uhs(card->host)) {
if (data & SDIO_UHS_DDR50)
card->sw_caps.sd3_bus_mode
|= SD_MODE_UHS_DDR50 | SD_MODE_UHS_SDR50
@@ -458,6 +458,8 @@ static unsigned mmc_sdio_get_max_clock(struct mmc_card *card)
if (mmc_card_sd_combo(card))
max_dtr = min(max_dtr, mmc_sd_get_max_clock(card));
+ max_dtr = min_not_zero(max_dtr, card->quirk_max_rate);
+
return max_dtr;
}
@@ -525,7 +527,7 @@ static int sdio_set_bus_speed_mode(struct mmc_card *card)
* If the host doesn't support any of the UHS-I modes, fallback on
* default speed.
*/
- if (!mmc_host_uhs(card->host))
+ if (!mmc_host_can_uhs(card->host))
return 0;
bus_speed = SDIO_SPEED_SDR12;
@@ -667,7 +669,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
WARN_ON(!host->claimed);
/* to query card if 1.8V signalling is supported */
- if (mmc_host_uhs(host))
+ if (mmc_host_can_uhs(host))
ocr |= R4_18V_PRESENT;
try_again:
@@ -769,7 +771,7 @@ try_again:
* Read CSD, before selecting the card
*/
if (!oldcard && mmc_card_sd_combo(card)) {
- err = mmc_sd_get_csd(card);
+ err = mmc_sd_get_csd(card, false);
if (err)
goto remove;
@@ -943,7 +945,11 @@ static void mmc_sdio_remove(struct mmc_host *host)
*/
static int mmc_sdio_alive(struct mmc_host *host)
{
- return mmc_select_card(host->card);
+ if (!mmc_host_is_spi(host))
+ return mmc_select_card(host->card);
+ else
+ return mmc_io_rw_direct(host->card, 0, 0, SDIO_CCCR_CCCR, 0,
+ NULL);
}
/*
@@ -1089,8 +1095,14 @@ static int mmc_sdio_resume(struct mmc_host *host)
}
err = mmc_sdio_reinit_card(host);
} else if (mmc_card_wake_sdio_irq(host)) {
- /* We may have switched to 1-bit mode during suspend */
+ /*
+ * We may have switched to 1-bit mode during suspend,
+ * need to hold retuning, because tuning only supprt
+ * 4-bit mode or 8 bit mode.
+ */
+ mmc_retune_hold_now(host);
err = sdio_enable_4bit_bus(host->card);
+ mmc_retune_release(host);
}
if (err)