Timing mode identifier has same role and can take the place
of speed mode. This change removes all related speed mode.
Signed-off-by: Seungwon Jeon <tgih....@samsung.com>
---
drivers/mmc/core/bus.c | 9 +++++----
drivers/mmc/core/core.c | 3 +--
drivers/mmc/core/mmc.c | 11 +++--------
drivers/mmc/core/sd.c | 16 +++-------------
drivers/mmc/core/sd.h | 1 -
drivers/mmc/core/sdio.c | 8 ++------
include/linux/mmc/card.h | 24 +++++++-----------------
include/linux/mmc/host.h | 23 +++++++++++++++++++++++
8 files changed, 44 insertions(+), 51 deletions(-)
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 64145a3..e8a21fb 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -286,6 +286,7 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host,
struct device_type *type)
return ERR_PTR(-ENOMEM);
card->host = host;
+ card->ios = &host->ios;
device_initialize(&card->dev);
@@ -349,16 +350,16 @@ int mmc_add_card(struct mmc_card *card)
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
- mmc_card_highspeed(card) ? "high speed " : "",
- mmc_card_ddr_mode(card) ? "DDR " : "",
+ mmc_card_hs(card) ? "high speed " : "",
+ mmc_card_ddr52(card) ? "DDR " : "",
type);
} else {
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_hs(card) ? "high speed " : ""),
(mmc_card_hs200(card) ? "HS200 " : ""),
- mmc_card_ddr_mode(card) ? "DDR " : "",
+ mmc_card_ddr52(card) ? "DDR " : "",
uhs_bus_speed_mode, type, card->rca);
}
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 098374b..88433bd 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -2198,7 +2198,7 @@ int mmc_set_blocklen(struct mmc_card *card, unsigned int
blocklen)
{
struct mmc_command cmd = {0};
- if (mmc_card_blockaddr(card) || mmc_card_ddr_mode(card))
+ if (mmc_card_blockaddr(card) || mmc_card_ddr52(card))
return 0;
cmd.opcode = MMC_SET_BLOCKLEN;
@@ -2281,7 +2281,6 @@ static int mmc_do_hw_reset(struct mmc_host *host, int
check)
}
}
- host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_DDR);
if (mmc_host_is_spi(host)) {
host->ios.chip_select = MMC_CS_HIGH;
host->ios.bus_mode = MMC_BUSMODE_PUSHPULL;
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 6d91ff7..613e641 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1088,11 +1088,9 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
} else {
if (card->ext_csd.hs_max_dtr > 52000000 &&
host->caps2 & MMC_CAP2_HS200) {
- mmc_card_set_hs200(card);
mmc_set_timing(card->host,
MMC_TIMING_MMC_HS200);
} else {
- mmc_card_set_highspeed(card);
mmc_set_timing(card->host, MMC_TIMING_MMC_HS);
}
}
@@ -1103,10 +1101,10 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
*/
max_dtr = (unsigned int)-1;
- if (mmc_card_highspeed(card) || mmc_card_hs200(card)) {
+ if (mmc_card_hs(card) || mmc_card_hs200(card)) {
if (max_dtr > card->ext_csd.hs_max_dtr)
max_dtr = card->ext_csd.hs_max_dtr;
- if (mmc_card_highspeed(card) && (max_dtr > 52000000))
+ if (mmc_card_hs(card) && (max_dtr > 52000000))
max_dtr = 52000000;
} else if (max_dtr > card->csd.max_dtr) {
max_dtr = card->csd.max_dtr;
@@ -1117,7 +1115,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
/*
* Indicate DDR mode (if supported).
*/
- if (mmc_card_highspeed(card)) {
+ if (mmc_card_hs(card)) {
if ((card->ext_csd.card_type & EXT_CSD_CARD_TYPE_DDR_1_8V)
&& (host->caps & MMC_CAP_1_8V_DDR))
ddr = MMC_1_8V_DDR_MODE;
@@ -1260,7 +1258,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
if (err)
goto err;
}
- mmc_card_set_ddr_mode(card);
mmc_set_timing(card->host, MMC_TIMING_MMC_DDR52);
mmc_set_bus_width(card->host, bus_width);
}
@@ -1495,7 +1492,6 @@ static int _mmc_suspend(struct mmc_host *host, bool
is_suspend)
err = mmc_sleep(host);
else if (!mmc_host_is_spi(host))
err = mmc_deselect_cards(host);
- host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
if (!err) {
mmc_power_off(host);
@@ -1625,7 +1621,6 @@ static int mmc_power_restore(struct mmc_host *host)
{
int ret;
- host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200);
mmc_claim_host(host);
ret = mmc_init_card(host, host->card->ocr, host->card);
mmc_release_host(host);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 692fdb1..54dd3d1 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -895,7 +895,7 @@ unsigned mmc_sd_get_max_clock(struct mmc_card *card)
{
unsigned max_dtr = (unsigned int)-1;
- if (mmc_card_highspeed(card)) {
+ if (mmc_card_hs(card)) {
if (max_dtr > card->sw_caps.hs_max_dtr)
max_dtr = card->sw_caps.hs_max_dtr;
} else if (max_dtr > card->csd.max_dtr) {
@@ -905,12 +905,6 @@ unsigned mmc_sd_get_max_clock(struct mmc_card *card)
return max_dtr;
}
-void mmc_sd_go_highspeed(struct mmc_card *card)
-{
- mmc_card_set_highspeed(card);
- mmc_set_timing(card->host, MMC_TIMING_SD_HS);
-}
-
/*
* Handle the detection and initialisation of a card.
*
@@ -985,16 +979,13 @@ static int mmc_sd_init_card(struct mmc_host *host, u32
ocr,
err = mmc_sd_init_uhs_card(card);
if (err)
goto free_card;
-
- /* Card is an ultra-high-speed card */
- mmc_card_set_uhs(card);
} else {
/*
* Attempt to change to high-speed (if supported)
*/
err = mmc_sd_switch_hs(card);
if (err > 0)
- mmc_sd_go_highspeed(card);
+ mmc_set_timing(card->host, MMC_TIMING_SD_HS);
else if (err)
goto free_card;
@@ -1089,7 +1080,7 @@ static int _mmc_sd_suspend(struct mmc_host *host)
if (!mmc_host_is_spi(host))
err = mmc_deselect_cards(host);
- host->card->state &= ~MMC_STATE_HIGHSPEED;
+
if (!err) {
mmc_power_off(host);
mmc_card_set_suspended(host->card);
@@ -1198,7 +1189,6 @@ static int mmc_sd_power_restore(struct mmc_host *host)
{
int ret;
- host->card->state &= ~MMC_STATE_HIGHSPEED;
mmc_claim_host(host);
ret = mmc_sd_init_card(host, host->card->ocr, host->card);
mmc_release_host(host);
diff --git a/drivers/mmc/core/sd.h b/drivers/mmc/core/sd.h
index 4b34b24..aab824a 100644
--- a/drivers/mmc/core/sd.h
+++ b/drivers/mmc/core/sd.h
@@ -12,6 +12,5 @@ int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card
*card,
bool reinit);
unsigned mmc_sd_get_max_clock(struct mmc_card *card);
int mmc_sd_switch_hs(struct mmc_card *card);
-void mmc_sd_go_highspeed(struct mmc_card *card);
#endif
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 4d721c6..ef57d2d 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -363,7 +363,7 @@ static unsigned mmc_sdio_get_max_clock(struct mmc_card
*card)
{
unsigned max_dtr;
- if (mmc_card_highspeed(card)) {
+ if (mmc_card_hs(card)) {
/*
* The SDIO specification doesn't mention how
* the CIS transfer speed register relates to
@@ -733,7 +733,6 @@ try_again:
mmc_set_clock(host, card->cis.max_dtr);
if (card->cccr.high_speed) {
- mmc_card_set_highspeed(card);
mmc_set_timing(card->host, MMC_TIMING_SD_HS);
}
@@ -792,16 +791,13 @@ try_again:
err = mmc_sdio_init_uhs_card(card);
if (err)
goto remove;
-
- /* Card is an ultra-high-speed card */
- mmc_card_set_uhs(card);
} else {
/*
* Switch to high-speed (if supported).
*/
err = sdio_enable_hs(card);
if (err > 0)
- mmc_sd_go_highspeed(card);
+ mmc_set_timing(card->host, MMC_TIMING_SD_HS);
else if (err)
goto remove;
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 176fdf8..fb13bf9 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -194,6 +194,7 @@ struct sdio_cis {
};
struct mmc_host;
+struct mmc_ios;
struct sdio_func;
struct sdio_func_tuple;
@@ -239,6 +240,7 @@ struct mmc_part {
*/
struct mmc_card {
struct mmc_host *host; /* the host this device belongs
to */
+ struct mmc_ios *ios; /* bus settings of host */
struct device dev; /* the device */
u32 ocr; /* the current OCR setting */
unsigned int rca; /* relative card address of
device */
@@ -250,15 +252,11 @@ struct mmc_card {
unsigned int state; /* (our) card state */
#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
#define MMC_STATE_READONLY (1<<1) /* card is read-only */
-#define MMC_STATE_HIGHSPEED (1<<2) /* card is in high speed mode */
-#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
-#define MMC_STATE_HIGHSPEED_DDR (1<<4) /* card is in high speed mode */
-#define MMC_STATE_ULTRAHIGHSPEED (1<<5) /* card is in ultra
high speed mode */
-#define MMC_CARD_SDXC (1<<6) /* card is SDXC */
-#define MMC_CARD_REMOVED (1<<7) /* card has been removed */
-#define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200
mode */
-#define MMC_STATE_DOING_BKOPS (1<<10) /* card is doing BKOPS */
-#define MMC_STATE_SUSPENDED (1<<11) /* card is suspended */
+#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */
+#define MMC_CARD_SDXC (1<<3) /* card is SDXC */
+#define MMC_CARD_REMOVED (1<<4) /* card has been removed */
+#define MMC_STATE_DOING_BKOPS (1<<5) /* card is doing BKOPS */
+#define MMC_STATE_SUSPENDED (1<<6) /* card is suspended */
unsigned int quirks; /* card quirks */
#define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes
outside of the VS CCCR range */
#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
@@ -417,11 +415,7 @@ static inline void __maybe_unused remove_quirk(struct
mmc_card *card, int data)
#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT)
#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY)
-#define mmc_card_highspeed(c) ((c)->state & MMC_STATE_HIGHSPEED)
-#define mmc_card_hs200(c) ((c)->state & MMC_STATE_HIGHSPEED_200)
#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR)
-#define mmc_card_ddr_mode(c) ((c)->state & MMC_STATE_HIGHSPEED_DDR)
-#define mmc_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
#define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED))
#define mmc_card_doing_bkops(c) ((c)->state & MMC_STATE_DOING_BKOPS)
@@ -429,11 +423,7 @@ static inline void __maybe_unused remove_quirk(struct
mmc_card *card, int data)
#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT)
#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
-#define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
-#define mmc_card_set_hs200(c) ((c)->state |= MMC_STATE_HIGHSPEED_200)
#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
-#define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
-#define mmc_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
#define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
#define mmc_card_set_doing_bkops(c) ((c)->state |= MMC_STATE_DOING_BKOPS)
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 87b1f4f..71977f4 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -17,6 +17,7 @@
#include <linux/fault-inject.h>
#include <linux/mmc/core.h>
+#include <linux/mmc/card.h>
#include <linux/mmc/pm.h>
struct mmc_ios {
@@ -485,4 +486,26 @@ static inline unsigned int mmc_host_clk_rate(struct
mmc_host *host)
return host->ios.clock;
}
#endif
+
+static inline int mmc_card_hs(struct mmc_card *card)
+{
+ return card->ios->timing == MMC_TIMING_SD_HS ||
+ card->ios->timing == MMC_TIMING_MMC_HS;
+}
+
+static inline int mmc_card_uhs(struct mmc_card *card)
+{
+ return card->ios->timing >= MMC_TIMING_UHS_SDR12 &&
+ card->ios->timing <= MMC_TIMING_UHS_DDR50;
+}
+
+static inline bool mmc_card_hs200(struct mmc_card *card)
+{
+ return card->ios->timing == MMC_TIMING_MMC_HS200;
+}
+
+static inline bool mmc_card_ddr52(struct mmc_card *card)
+{
+ return card->ios->timing == MMC_TIMING_MMC_DDR52;
+}
#endif /* LINUX_MMC_HOST_H */
--
1.7.0.4
--
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