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-rw-r--r--drivers/mmc/Kconfig10
-rw-r--r--drivers/mmc/Makefile2
-rw-r--r--drivers/mmc/at91_mci.c6
-rw-r--r--drivers/mmc/au1xmmc.c2
-rw-r--r--drivers/mmc/imxmmc.c2
-rw-r--r--drivers/mmc/mmc.c327
-rw-r--r--drivers/mmc/mmc.h2
-rw-r--r--drivers/mmc/mmc_block.c15
-rw-r--r--drivers/mmc/mmc_queue.c67
-rw-r--r--drivers/mmc/mmc_queue.h3
-rw-r--r--drivers/mmc/mmc_sysfs.c30
-rw-r--r--drivers/mmc/mmci.c2
-rw-r--r--drivers/mmc/omap.c275
-rw-r--r--drivers/mmc/omap.h55
-rw-r--r--drivers/mmc/pxamci.c2
-rw-r--r--drivers/mmc/sdhci.c17
-rw-r--r--drivers/mmc/sdhci.h2
-rw-r--r--drivers/mmc/tifm_sd.c28
-rw-r--r--drivers/mmc/wbsd.c8
19 files changed, 572 insertions, 283 deletions
diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index ea41852ec8cd..4224686fdf2a 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -40,7 +40,7 @@ config MMC_ARMMMCI
40 If unsure, say N. 40 If unsure, say N.
41 41
42config MMC_PXA 42config MMC_PXA
43 tristate "Intel PXA255 Multimedia Card Interface support" 43 tristate "Intel PXA25x/26x/27x Multimedia Card Interface support"
44 depends on ARCH_PXA && MMC 44 depends on ARCH_PXA && MMC
45 help 45 help
46 This selects the Intel(R) PXA(R) Multimedia card Interface. 46 This selects the Intel(R) PXA(R) Multimedia card Interface.
@@ -91,11 +91,11 @@ config MMC_AU1X
91 91
92 If unsure, say N. 92 If unsure, say N.
93 93
94config MMC_AT91RM9200 94config MMC_AT91
95 tristate "AT91RM9200 SD/MMC Card Interface support" 95 tristate "AT91 SD/MMC Card Interface support"
96 depends on ARCH_AT91RM9200 && MMC 96 depends on ARCH_AT91 && MMC
97 help 97 help
98 This selects the AT91RM9200 MCI controller. 98 This selects the AT91 MCI controller.
99 99
100 If unsure, say N. 100 If unsure, say N.
101 101
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index acfd4de0aba5..83ffb9326a54 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -22,7 +22,7 @@ obj-$(CONFIG_MMC_SDHCI) += sdhci.o
22obj-$(CONFIG_MMC_WBSD) += wbsd.o 22obj-$(CONFIG_MMC_WBSD) += wbsd.o
23obj-$(CONFIG_MMC_AU1X) += au1xmmc.o 23obj-$(CONFIG_MMC_AU1X) += au1xmmc.o
24obj-$(CONFIG_MMC_OMAP) += omap.o 24obj-$(CONFIG_MMC_OMAP) += omap.o
25obj-$(CONFIG_MMC_AT91RM9200) += at91_mci.o 25obj-$(CONFIG_MMC_AT91) += at91_mci.o
26obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o 26obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o
27 27
28mmc_core-y := mmc.o mmc_sysfs.o 28mmc_core-y := mmc.o mmc_sysfs.o
diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c
index 494b23fb0a01..4633dbc9a90f 100644
--- a/drivers/mmc/at91_mci.c
+++ b/drivers/mmc/at91_mci.c
@@ -73,8 +73,8 @@
73#include <asm/mach/mmc.h> 73#include <asm/mach/mmc.h>
74#include <asm/arch/board.h> 74#include <asm/arch/board.h>
75#include <asm/arch/gpio.h> 75#include <asm/arch/gpio.h>
76#include <asm/arch/at91rm9200_mci.h> 76#include <asm/arch/at91_mci.h>
77#include <asm/arch/at91rm9200_pdc.h> 77#include <asm/arch/at91_pdc.h>
78 78
79#define DRIVER_NAME "at91_mci" 79#define DRIVER_NAME "at91_mci"
80 80
@@ -793,7 +793,7 @@ int at91_mci_get_ro(struct mmc_host *mmc)
793 return read_only; 793 return read_only;
794} 794}
795 795
796static struct mmc_host_ops at91_mci_ops = { 796static const struct mmc_host_ops at91_mci_ops = {
797 .request = at91_mci_request, 797 .request = at91_mci_request,
798 .set_ios = at91_mci_set_ios, 798 .set_ios = at91_mci_set_ios,
799 .get_ro = at91_mci_get_ro, 799 .get_ro = at91_mci_get_ro,
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index 53ffcbb14a97..447fba5825fd 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -875,7 +875,7 @@ static void au1xmmc_init_dma(struct au1xmmc_host *host)
875 host->rx_chan = rxchan; 875 host->rx_chan = rxchan;
876} 876}
877 877
878struct mmc_host_ops au1xmmc_ops = { 878struct const mmc_host_ops au1xmmc_ops = {
879 .request = au1xmmc_request, 879 .request = au1xmmc_request,
880 .set_ios = au1xmmc_set_ios, 880 .set_ios = au1xmmc_set_ios,
881}; 881};
diff --git a/drivers/mmc/imxmmc.c b/drivers/mmc/imxmmc.c
index 659d4a822cc5..06e7fcd19221 100644
--- a/drivers/mmc/imxmmc.c
+++ b/drivers/mmc/imxmmc.c
@@ -877,7 +877,7 @@ static void imxmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
877 } 877 }
878} 878}
879 879
880static struct mmc_host_ops imxmci_ops = { 880static const struct mmc_host_ops imxmci_ops = {
881 .request = imxmci_request, 881 .request = imxmci_request,
882 .set_ios = imxmci_set_ios, 882 .set_ios = imxmci_set_ios,
883}; 883};
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index ee8863c123e3..6f2a282e2b97 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -4,6 +4,7 @@
4 * Copyright (C) 2003-2004 Russell King, All Rights Reserved. 4 * Copyright (C) 2003-2004 Russell King, All Rights Reserved.
5 * SD support Copyright (C) 2004 Ian Molton, All Rights Reserved. 5 * SD support Copyright (C) 2004 Ian Molton, All Rights Reserved.
6 * SD support Copyright (C) 2005 Pierre Ossman, All Rights Reserved. 6 * SD support Copyright (C) 2005 Pierre Ossman, All Rights Reserved.
7 * MMCv4 support Copyright (C) 2006 Philip Langdale, All Rights Reserved.
7 * 8 *
8 * This program is free software; you can redistribute it and/or modify 9 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as 10 * it under the terms of the GNU General Public License version 2 as
@@ -396,23 +397,23 @@ static int mmc_select_card(struct mmc_host *host, struct mmc_card *card)
396 return err; 397 return err;
397 398
398 /* 399 /*
399 * Default bus width is 1 bit. 400 * We can only change the bus width of SD cards when
400 */ 401 * they are selected so we have to put the handling
401 host->ios.bus_width = MMC_BUS_WIDTH_1;
402
403 /*
404 * We can only change the bus width of the selected
405 * card so therefore we have to put the handling
406 * here. 402 * here.
403 *
404 * The card is in 1 bit mode by default so
405 * we only need to change if it supports the
406 * wider version.
407 */ 407 */
408 if (host->caps & MMC_CAP_4_BIT_DATA) { 408 if (mmc_card_sd(card) &&
409 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {
410
409 /* 411 /*
410 * The card is in 1 bit mode by default so 412 * Default bus width is 1 bit.
411 * we only need to change if it supports the 413 */
412 * wider version. 414 host->ios.bus_width = MMC_BUS_WIDTH_1;
413 */ 415
414 if (mmc_card_sd(card) && 416 if (host->caps & MMC_CAP_4_BIT_DATA) {
415 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) {
416 struct mmc_command cmd; 417 struct mmc_command cmd;
417 cmd.opcode = SD_APP_SET_BUS_WIDTH; 418 cmd.opcode = SD_APP_SET_BUS_WIDTH;
418 cmd.arg = SD_BUS_WIDTH_4; 419 cmd.arg = SD_BUS_WIDTH_4;
@@ -453,11 +454,11 @@ static void mmc_deselect_cards(struct mmc_host *host)
453 454
454static inline void mmc_delay(unsigned int ms) 455static inline void mmc_delay(unsigned int ms)
455{ 456{
456 if (ms < HZ / 1000) { 457 if (ms < 1000 / HZ) {
457 yield(); 458 cond_resched();
458 mdelay(ms); 459 mdelay(ms);
459 } else { 460 } else {
460 msleep_interruptible (ms); 461 msleep(ms);
461 } 462 }
462} 463}
463 464
@@ -475,7 +476,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
475 if (bit) { 476 if (bit) {
476 bit -= 1; 477 bit -= 1;
477 478
478 ocr = 3 << bit; 479 ocr &= 3 << bit;
479 480
480 host->ios.vdd = bit; 481 host->ios.vdd = bit;
481 mmc_set_ios(host); 482 mmc_set_ios(host);
@@ -953,6 +954,137 @@ static void mmc_read_csds(struct mmc_host *host)
953 } 954 }
954} 955}
955 956
957static void mmc_process_ext_csds(struct mmc_host *host)
958{
959 int err;
960 struct mmc_card *card;
961
962 struct mmc_request mrq;
963 struct mmc_command cmd;
964 struct mmc_data data;
965
966 struct scatterlist sg;
967
968 /*
969 * As the ext_csd is so large and mostly unused, we don't store the
970 * raw block in mmc_card.
971 */
972 u8 *ext_csd;
973 ext_csd = kmalloc(512, GFP_KERNEL);
974 if (!ext_csd) {
975 printk("%s: could not allocate a buffer to receive the ext_csd."
976 "mmc v4 cards will be treated as v3.\n",
977 mmc_hostname(host));
978 return;
979 }
980
981 list_for_each_entry(card, &host->cards, node) {
982 if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT))
983 continue;
984 if (mmc_card_sd(card))
985 continue;
986 if (card->csd.mmca_vsn < CSD_SPEC_VER_4)
987 continue;
988
989 err = mmc_select_card(host, card);
990 if (err != MMC_ERR_NONE) {
991 mmc_card_set_dead(card);
992 continue;
993 }
994
995 memset(&cmd, 0, sizeof(struct mmc_command));
996
997 cmd.opcode = MMC_SEND_EXT_CSD;
998 cmd.arg = 0;
999 cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
1000
1001 memset(&data, 0, sizeof(struct mmc_data));
1002
1003 mmc_set_data_timeout(&data, card, 0);
1004
1005 data.blksz = 512;
1006 data.blocks = 1;
1007 data.flags = MMC_DATA_READ;
1008 data.sg = &sg;
1009 data.sg_len = 1;
1010
1011 memset(&mrq, 0, sizeof(struct mmc_request));
1012
1013 mrq.cmd = &cmd;
1014 mrq.data = &data;
1015
1016 sg_init_one(&sg, ext_csd, 512);
1017
1018 mmc_wait_for_req(host, &mrq);
1019
1020 if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
1021 mmc_card_set_dead(card);
1022 continue;
1023 }
1024
1025 switch (ext_csd[EXT_CSD_CARD_TYPE]) {
1026 case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26:
1027 card->ext_csd.hs_max_dtr = 52000000;
1028 break;
1029 case EXT_CSD_CARD_TYPE_26:
1030 card->ext_csd.hs_max_dtr = 26000000;
1031 break;
1032 default:
1033 /* MMC v4 spec says this cannot happen */
1034 printk("%s: card is mmc v4 but doesn't support "
1035 "any high-speed modes.\n",
1036 mmc_hostname(card->host));
1037 mmc_card_set_bad(card);
1038 continue;
1039 }
1040
1041 /* Activate highspeed support. */
1042 cmd.opcode = MMC_SWITCH;
1043 cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
1044 (EXT_CSD_HS_TIMING << 16) |
1045 (1 << 8) |
1046 EXT_CSD_CMD_SET_NORMAL;
1047 cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
1048
1049 err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES);
1050 if (err != MMC_ERR_NONE) {
1051 printk("%s: failed to switch card to mmc v4 "
1052 "high-speed mode.\n",
1053 mmc_hostname(card->host));
1054 continue;
1055 }
1056
1057 mmc_card_set_highspeed(card);
1058
1059 /* Check for host support for wide-bus modes. */
1060 if (!(host->caps & MMC_CAP_4_BIT_DATA)) {
1061 continue;
1062 }
1063
1064 /* Activate 4-bit support. */
1065 cmd.opcode = MMC_SWITCH;
1066 cmd.arg = (MMC_SWITCH_MODE_WRITE_BYTE << 24) |
1067 (EXT_CSD_BUS_WIDTH << 16) |
1068 (EXT_CSD_BUS_WIDTH_4 << 8) |
1069 EXT_CSD_CMD_SET_NORMAL;
1070 cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
1071
1072 err = mmc_wait_for_cmd(host, &cmd, CMD_RETRIES);
1073 if (err != MMC_ERR_NONE) {
1074 printk("%s: failed to switch card to "
1075 "mmc v4 4-bit bus mode.\n",
1076 mmc_hostname(card->host));
1077 continue;
1078 }
1079
1080 host->ios.bus_width = MMC_BUS_WIDTH_4;
1081 }
1082
1083 kfree(ext_csd);
1084
1085 mmc_deselect_cards(host);
1086}
1087
956static void mmc_read_scrs(struct mmc_host *host) 1088static void mmc_read_scrs(struct mmc_host *host)
957{ 1089{
958 int err; 1090 int err;
@@ -1025,14 +1157,133 @@ static void mmc_read_scrs(struct mmc_host *host)
1025 mmc_deselect_cards(host); 1157 mmc_deselect_cards(host);
1026} 1158}
1027 1159
1160static void mmc_read_switch_caps(struct mmc_host *host)
1161{
1162 int err;
1163 struct mmc_card *card;
1164 struct mmc_request mrq;
1165 struct mmc_command cmd;
1166 struct mmc_data data;
1167 unsigned char *status;
1168 struct scatterlist sg;
1169
1170 status = kmalloc(64, GFP_KERNEL);
1171 if (!status) {
1172 printk(KERN_WARNING "%s: Unable to allocate buffer for "
1173 "reading switch capabilities.\n",
1174 mmc_hostname(host));
1175 return;
1176 }
1177
1178 list_for_each_entry(card, &host->cards, node) {
1179 if (card->state & (MMC_STATE_DEAD|MMC_STATE_PRESENT))
1180 continue;
1181 if (!mmc_card_sd(card))
1182 continue;
1183 if (card->scr.sda_vsn < SCR_SPEC_VER_1)
1184 continue;
1185
1186 err = mmc_select_card(host, card);
1187 if (err != MMC_ERR_NONE) {
1188 mmc_card_set_dead(card);
1189 continue;
1190 }
1191
1192 memset(&cmd, 0, sizeof(struct mmc_command));
1193
1194 cmd.opcode = SD_SWITCH;
1195 cmd.arg = 0x00FFFFF1;
1196 cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
1197
1198 memset(&data, 0, sizeof(struct mmc_data));
1199
1200 mmc_set_data_timeout(&data, card, 0);
1201
1202 data.blksz = 64;
1203 data.blocks = 1;
1204 data.flags = MMC_DATA_READ;
1205 data.sg = &sg;
1206 data.sg_len = 1;
1207
1208 memset(&mrq, 0, sizeof(struct mmc_request));
1209
1210 mrq.cmd = &cmd;
1211 mrq.data = &data;
1212
1213 sg_init_one(&sg, status, 64);
1214
1215 mmc_wait_for_req(host, &mrq);
1216
1217 if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
1218 mmc_card_set_dead(card);
1219 continue;
1220 }
1221
1222 if (status[13] & 0x02)
1223 card->sw_caps.hs_max_dtr = 50000000;
1224
1225 memset(&cmd, 0, sizeof(struct mmc_command));
1226
1227 cmd.opcode = SD_SWITCH;
1228 cmd.arg = 0x80FFFFF1;
1229 cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
1230
1231 memset(&data, 0, sizeof(struct mmc_data));
1232
1233 mmc_set_data_timeout(&data, card, 0);
1234
1235 data.blksz = 64;
1236 data.blocks = 1;
1237 data.flags = MMC_DATA_READ;
1238 data.sg = &sg;
1239 data.sg_len = 1;
1240
1241 memset(&mrq, 0, sizeof(struct mmc_request));
1242
1243 mrq.cmd = &cmd;
1244 mrq.data = &data;
1245
1246 sg_init_one(&sg, status, 64);
1247
1248 mmc_wait_for_req(host, &mrq);
1249
1250 if (cmd.error != MMC_ERR_NONE || data.error != MMC_ERR_NONE) {
1251 mmc_card_set_dead(card);
1252 continue;
1253 }
1254
1255 if ((status[16] & 0xF) != 1) {
1256 printk(KERN_WARNING "%s: Problem switching card "
1257 "into high-speed mode!\n",
1258 mmc_hostname(host));
1259 continue;
1260 }
1261
1262 mmc_card_set_highspeed(card);
1263 }
1264
1265 kfree(status);
1266
1267 mmc_deselect_cards(host);
1268}
1269
1028static unsigned int mmc_calculate_clock(struct mmc_host *host) 1270static unsigned int mmc_calculate_clock(struct mmc_host *host)
1029{ 1271{
1030 struct mmc_card *card; 1272 struct mmc_card *card;
1031 unsigned int max_dtr = host->f_max; 1273 unsigned int max_dtr = host->f_max;
1032 1274
1033 list_for_each_entry(card, &host->cards, node) 1275 list_for_each_entry(card, &host->cards, node)
1034 if (!mmc_card_dead(card) && max_dtr > card->csd.max_dtr) 1276 if (!mmc_card_dead(card)) {
1035 max_dtr = card->csd.max_dtr; 1277 if (mmc_card_highspeed(card) && mmc_card_sd(card)) {
1278 if (max_dtr > card->sw_caps.hs_max_dtr)
1279 max_dtr = card->sw_caps.hs_max_dtr;
1280 } else if (mmc_card_highspeed(card) && !mmc_card_sd(card)) {
1281 if (max_dtr > card->ext_csd.hs_max_dtr)
1282 max_dtr = card->ext_csd.hs_max_dtr;
1283 } else if (max_dtr > card->csd.max_dtr) {
1284 max_dtr = card->csd.max_dtr;
1285 }
1286 }
1036 1287
1037 pr_debug("%s: selected %d.%03dMHz transfer rate\n", 1288 pr_debug("%s: selected %d.%03dMHz transfer rate\n",
1038 mmc_hostname(host), 1289 mmc_hostname(host),
@@ -1150,8 +1401,11 @@ static void mmc_setup(struct mmc_host *host)
1150 1401
1151 mmc_read_csds(host); 1402 mmc_read_csds(host);
1152 1403
1153 if (host->mode == MMC_MODE_SD) 1404 if (host->mode == MMC_MODE_SD) {
1154 mmc_read_scrs(host); 1405 mmc_read_scrs(host);
1406 mmc_read_switch_caps(host);
1407 } else
1408 mmc_process_ext_csds(host);
1155} 1409}
1156 1410
1157 1411
@@ -1165,27 +1419,40 @@ static void mmc_setup(struct mmc_host *host)
1165 */ 1419 */
1166void mmc_detect_change(struct mmc_host *host, unsigned long delay) 1420void mmc_detect_change(struct mmc_host *host, unsigned long delay)
1167{ 1421{
1168 if (delay) 1422 mmc_schedule_delayed_work(&host->detect, delay);
1169 mmc_schedule_delayed_work(&host->detect, delay);
1170 else
1171 mmc_schedule_work(&host->detect);
1172} 1423}
1173 1424
1174EXPORT_SYMBOL(mmc_detect_change); 1425EXPORT_SYMBOL(mmc_detect_change);
1175 1426
1176 1427
1177static void mmc_rescan(void *data) 1428static void mmc_rescan(struct work_struct *work)
1178{ 1429{
1179 struct mmc_host *host = data; 1430 struct mmc_host *host =
1431 container_of(work, struct mmc_host, detect.work);
1180 struct list_head *l, *n; 1432 struct list_head *l, *n;
1433 unsigned char power_mode;
1181 1434
1182 mmc_claim_host(host); 1435 mmc_claim_host(host);
1183 1436
1184 if (host->ios.power_mode == MMC_POWER_ON) 1437 /*
1438 * Check for removed cards and newly inserted ones. We check for
1439 * removed cards first so we can intelligently re-select the VDD.
1440 */
1441 power_mode = host->ios.power_mode;
1442 if (power_mode == MMC_POWER_ON)
1185 mmc_check_cards(host); 1443 mmc_check_cards(host);
1186 1444
1187 mmc_setup(host); 1445 mmc_setup(host);
1188 1446
1447 /*
1448 * Some broken cards process CMD1 even in stand-by state. There is
1449 * no reply, but an ILLEGAL_COMMAND error is cached and returned
1450 * after next command. We poll for card status here to clear any
1451 * possibly pending error.
1452 */
1453 if (power_mode == MMC_POWER_ON)
1454 mmc_check_cards(host);
1455
1189 if (!list_empty(&host->cards)) { 1456 if (!list_empty(&host->cards)) {
1190 /* 1457 /*
1191 * (Re-)calculate the fastest clock rate which the 1458 * (Re-)calculate the fastest clock rate which the
@@ -1244,7 +1511,7 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
1244 spin_lock_init(&host->lock); 1511 spin_lock_init(&host->lock);
1245 init_waitqueue_head(&host->wq); 1512 init_waitqueue_head(&host->wq);
1246 INIT_LIST_HEAD(&host->cards); 1513 INIT_LIST_HEAD(&host->cards);
1247 INIT_WORK(&host->detect, mmc_rescan, host); 1514 INIT_DELAYED_WORK(&host->detect, mmc_rescan);
1248 1515
1249 /* 1516 /*
1250 * By default, hosts do not support SGIO or large requests. 1517 * By default, hosts do not support SGIO or large requests.
@@ -1342,7 +1609,7 @@ EXPORT_SYMBOL(mmc_suspend_host);
1342 */ 1609 */
1343int mmc_resume_host(struct mmc_host *host) 1610int mmc_resume_host(struct mmc_host *host)
1344{ 1611{
1345 mmc_rescan(host); 1612 mmc_rescan(&host->detect.work);
1346 1613
1347 return 0; 1614 return 0;
1348} 1615}
diff --git a/drivers/mmc/mmc.h b/drivers/mmc/mmc.h
index cd5e0ab3d84b..149affe0b686 100644
--- a/drivers/mmc/mmc.h
+++ b/drivers/mmc/mmc.h
@@ -20,6 +20,6 @@ void mmc_remove_host_sysfs(struct mmc_host *host);
20void mmc_free_host_sysfs(struct mmc_host *host); 20void mmc_free_host_sysfs(struct mmc_host *host);
21 21
22int mmc_schedule_work(struct work_struct *work); 22int mmc_schedule_work(struct work_struct *work);
23int mmc_schedule_delayed_work(struct work_struct *work, unsigned long delay); 23int mmc_schedule_delayed_work(struct delayed_work *work, unsigned long delay);
24void mmc_flush_scheduled_work(void); 24void mmc_flush_scheduled_work(void);
25#endif 25#endif
diff --git a/drivers/mmc/mmc_block.c b/drivers/mmc/mmc_block.c
index f9027c8db792..87713572293f 100644
--- a/drivers/mmc/mmc_block.c
+++ b/drivers/mmc/mmc_block.c
@@ -83,7 +83,6 @@ static void mmc_blk_put(struct mmc_blk_data *md)
83 md->usage--; 83 md->usage--;
84 if (md->usage == 0) { 84 if (md->usage == 0) {
85 put_disk(md->disk); 85 put_disk(md->disk);
86 mmc_cleanup_queue(&md->queue);
87 kfree(md); 86 kfree(md);
88 } 87 }
89 mutex_unlock(&open_lock); 88 mutex_unlock(&open_lock);
@@ -225,10 +224,10 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
225 struct mmc_blk_data *md = mq->data; 224 struct mmc_blk_data *md = mq->data;
226 struct mmc_card *card = md->queue.card; 225 struct mmc_card *card = md->queue.card;
227 struct mmc_blk_request brq; 226 struct mmc_blk_request brq;
228 int ret; 227 int ret = 1;
229 228
230 if (mmc_card_claim_host(card)) 229 if (mmc_card_claim_host(card))
231 goto cmd_err; 230 goto flush_queue;
232 231
233 do { 232 do {
234 struct mmc_command cmd; 233 struct mmc_command cmd;
@@ -345,8 +344,6 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
345 return 1; 344 return 1;
346 345
347 cmd_err: 346 cmd_err:
348 ret = 1;
349
350 /* 347 /*
351 * If this is an SD card and we're writing, we can first 348 * If this is an SD card and we're writing, we can first
352 * mark the known good sectors as ok. 349 * mark the known good sectors as ok.
@@ -380,6 +377,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
380 377
381 mmc_card_release_host(card); 378 mmc_card_release_host(card);
382 379
380flush_queue:
383 spin_lock_irq(&md->lock); 381 spin_lock_irq(&md->lock);
384 while (ret) { 382 while (ret) {
385 ret = end_that_request_chunk(req, 0, 383 ret = end_that_request_chunk(req, 0,
@@ -553,12 +551,11 @@ static void mmc_blk_remove(struct mmc_card *card)
553 if (md) { 551 if (md) {
554 int devidx; 552 int devidx;
555 553
554 /* Stop new requests from getting into the queue */
556 del_gendisk(md->disk); 555 del_gendisk(md->disk);
557 556
558 /* 557 /* Then flush out any already in there */
559 * I think this is needed. 558 mmc_cleanup_queue(&md->queue);
560 */
561 md->disk->queue = NULL;
562 559
563 devidx = md->disk->first_minor >> MMC_SHIFT; 560 devidx = md->disk->first_minor >> MMC_SHIFT;
564 __clear_bit(devidx, dev_use); 561 __clear_bit(devidx, dev_use);
diff --git a/drivers/mmc/mmc_queue.c b/drivers/mmc/mmc_queue.c
index 4ccdd82b680f..a17423a4ed8f 100644
--- a/drivers/mmc/mmc_queue.c
+++ b/drivers/mmc/mmc_queue.c
@@ -10,13 +10,13 @@
10 */ 10 */
11#include <linux/module.h> 11#include <linux/module.h>
12#include <linux/blkdev.h> 12#include <linux/blkdev.h>
13#include <linux/kthread.h>
13 14
14#include <linux/mmc/card.h> 15#include <linux/mmc/card.h>
15#include <linux/mmc/host.h> 16#include <linux/mmc/host.h>
16#include "mmc_queue.h" 17#include "mmc_queue.h"
17 18
18#define MMC_QUEUE_EXIT (1 << 0) 19#define MMC_QUEUE_SUSPENDED (1 << 0)
19#define MMC_QUEUE_SUSPENDED (1 << 1)
20 20
21/* 21/*
22 * Prepare a MMC request. Essentially, this means passing the 22 * Prepare a MMC request. Essentially, this means passing the
@@ -59,7 +59,6 @@ static int mmc_queue_thread(void *d)
59{ 59{
60 struct mmc_queue *mq = d; 60 struct mmc_queue *mq = d;
61 struct request_queue *q = mq->queue; 61 struct request_queue *q = mq->queue;
62 DECLARE_WAITQUEUE(wait, current);
63 62
64 /* 63 /*
65 * Set iothread to ensure that we aren't put to sleep by 64 * Set iothread to ensure that we aren't put to sleep by
@@ -67,12 +66,7 @@ static int mmc_queue_thread(void *d)
67 */ 66 */
68 current->flags |= PF_MEMALLOC|PF_NOFREEZE; 67 current->flags |= PF_MEMALLOC|PF_NOFREEZE;
69 68
70 daemonize("mmcqd");
71
72 complete(&mq->thread_complete);
73
74 down(&mq->thread_sem); 69 down(&mq->thread_sem);
75 add_wait_queue(&mq->thread_wq, &wait);
76 do { 70 do {
77 struct request *req = NULL; 71 struct request *req = NULL;
78 72
@@ -84,7 +78,7 @@ static int mmc_queue_thread(void *d)
84 spin_unlock_irq(q->queue_lock); 78 spin_unlock_irq(q->queue_lock);
85 79
86 if (!req) { 80 if (!req) {
87 if (mq->flags & MMC_QUEUE_EXIT) 81 if (kthread_should_stop())
88 break; 82 break;
89 up(&mq->thread_sem); 83 up(&mq->thread_sem);
90 schedule(); 84 schedule();
@@ -95,10 +89,8 @@ static int mmc_queue_thread(void *d)
95 89
96 mq->issue_fn(mq, req); 90 mq->issue_fn(mq, req);
97 } while (1); 91 } while (1);
98 remove_wait_queue(&mq->thread_wq, &wait);
99 up(&mq->thread_sem); 92 up(&mq->thread_sem);
100 93
101 complete_and_exit(&mq->thread_complete, 0);
102 return 0; 94 return 0;
103} 95}
104 96
@@ -111,9 +103,22 @@ static int mmc_queue_thread(void *d)
111static void mmc_request(request_queue_t *q) 103static void mmc_request(request_queue_t *q)
112{ 104{
113 struct mmc_queue *mq = q->queuedata; 105 struct mmc_queue *mq = q->queuedata;
106 struct request *req;
107 int ret;
108
109 if (!mq) {
110 printk(KERN_ERR "MMC: killing requests for dead queue\n");
111 while ((req = elv_next_request(q)) != NULL) {
112 do {
113 ret = end_that_request_chunk(req, 0,
114 req->current_nr_sectors << 9);
115 } while (ret);
116 }
117 return;
118 }
114 119
115 if (!mq->req) 120 if (!mq->req)
116 wake_up(&mq->thread_wq); 121 wake_up_process(mq->thread);
117} 122}
118 123
119/** 124/**
@@ -130,8 +135,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
130 u64 limit = BLK_BOUNCE_HIGH; 135 u64 limit = BLK_BOUNCE_HIGH;
131 int ret; 136 int ret;
132 137
133 if (host->dev->dma_mask && *host->dev->dma_mask) 138 if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask)
134 limit = *host->dev->dma_mask; 139 limit = *mmc_dev(host)->dma_mask;
135 140
136 mq->card = card; 141 mq->card = card;
137 mq->queue = blk_init_queue(mmc_request, lock); 142 mq->queue = blk_init_queue(mmc_request, lock);
@@ -152,36 +157,40 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
152 GFP_KERNEL); 157 GFP_KERNEL);
153 if (!mq->sg) { 158 if (!mq->sg) {
154 ret = -ENOMEM; 159 ret = -ENOMEM;
155 goto cleanup; 160 goto cleanup_queue;
156 } 161 }
157 162
158 init_completion(&mq->thread_complete);
159 init_waitqueue_head(&mq->thread_wq);
160 init_MUTEX(&mq->thread_sem); 163 init_MUTEX(&mq->thread_sem);
161 164
162 ret = kernel_thread(mmc_queue_thread, mq, CLONE_KERNEL); 165 mq->thread = kthread_run(mmc_queue_thread, mq, "mmcqd");
163 if (ret >= 0) { 166 if (IS_ERR(mq->thread)) {
164 wait_for_completion(&mq->thread_complete); 167 ret = PTR_ERR(mq->thread);
165 init_completion(&mq->thread_complete); 168 goto free_sg;
166 ret = 0;
167 goto out;
168 } 169 }
169 170
170 cleanup: 171 return 0;
172
173 free_sg:
171 kfree(mq->sg); 174 kfree(mq->sg);
172 mq->sg = NULL; 175 mq->sg = NULL;
173 176 cleanup_queue:
174 blk_cleanup_queue(mq->queue); 177 blk_cleanup_queue(mq->queue);
175 out:
176 return ret; 178 return ret;
177} 179}
178EXPORT_SYMBOL(mmc_init_queue); 180EXPORT_SYMBOL(mmc_init_queue);
179 181
180void mmc_cleanup_queue(struct mmc_queue *mq) 182void mmc_cleanup_queue(struct mmc_queue *mq)
181{ 183{
182 mq->flags |= MMC_QUEUE_EXIT; 184 request_queue_t *q = mq->queue;
183 wake_up(&mq->thread_wq); 185 unsigned long flags;
184 wait_for_completion(&mq->thread_complete); 186
187 /* Mark that we should start throwing out stragglers */
188 spin_lock_irqsave(q->queue_lock, flags);
189 q->queuedata = NULL;
190 spin_unlock_irqrestore(q->queue_lock, flags);
191
192 /* Then terminate our worker thread */
193 kthread_stop(mq->thread);
185 194
186 kfree(mq->sg); 195 kfree(mq->sg);
187 mq->sg = NULL; 196 mq->sg = NULL;
diff --git a/drivers/mmc/mmc_queue.h b/drivers/mmc/mmc_queue.h
index 7182d2f69b4e..c9f139e764f6 100644
--- a/drivers/mmc/mmc_queue.h
+++ b/drivers/mmc/mmc_queue.h
@@ -6,8 +6,7 @@ struct task_struct;
6 6
7struct mmc_queue { 7struct mmc_queue {
8 struct mmc_card *card; 8 struct mmc_card *card;
9 struct completion thread_complete; 9 struct task_struct *thread;
10 wait_queue_head_t thread_wq;
11 struct semaphore thread_sem; 10 struct semaphore thread_sem;
12 unsigned int flags; 11 unsigned int flags;
13 struct request *req; 12 struct request *req;
diff --git a/drivers/mmc/mmc_sysfs.c b/drivers/mmc/mmc_sysfs.c
index 10cc9734eaa0..e334acd045bc 100644
--- a/drivers/mmc/mmc_sysfs.c
+++ b/drivers/mmc/mmc_sysfs.c
@@ -199,7 +199,7 @@ void mmc_init_card(struct mmc_card *card, struct mmc_host *host)
199 memset(card, 0, sizeof(struct mmc_card)); 199 memset(card, 0, sizeof(struct mmc_card));
200 card->host = host; 200 card->host = host;
201 device_initialize(&card->dev); 201 device_initialize(&card->dev);
202 card->dev.parent = card->host->dev; 202 card->dev.parent = mmc_dev(host);
203 card->dev.bus = &mmc_bus_type; 203 card->dev.bus = &mmc_bus_type;
204 card->dev.release = mmc_release_card; 204 card->dev.release = mmc_release_card;
205} 205}
@@ -242,7 +242,7 @@ void mmc_remove_card(struct mmc_card *card)
242} 242}
243 243
244 244
245static void mmc_host_classdev_release(struct class_device *dev) 245static void mmc_host_classdev_release(struct device *dev)
246{ 246{
247 struct mmc_host *host = cls_dev_to_mmc_host(dev); 247 struct mmc_host *host = cls_dev_to_mmc_host(dev);
248 kfree(host); 248 kfree(host);
@@ -250,7 +250,7 @@ static void mmc_host_classdev_release(struct class_device *dev)
250 250
251static struct class mmc_host_class = { 251static struct class mmc_host_class = {
252 .name = "mmc_host", 252 .name = "mmc_host",
253 .release = mmc_host_classdev_release, 253 .dev_release = mmc_host_classdev_release,
254}; 254};
255 255
256static DEFINE_IDR(mmc_host_idr); 256static DEFINE_IDR(mmc_host_idr);
@@ -267,10 +267,10 @@ struct mmc_host *mmc_alloc_host_sysfs(int extra, struct device *dev)
267 if (host) { 267 if (host) {
268 memset(host, 0, sizeof(struct mmc_host) + extra); 268 memset(host, 0, sizeof(struct mmc_host) + extra);
269 269
270 host->dev = dev; 270 host->parent = dev;
271 host->class_dev.dev = host->dev; 271 host->class_dev.parent = dev;
272 host->class_dev.class = &mmc_host_class; 272 host->class_dev.class = &mmc_host_class;
273 class_device_initialize(&host->class_dev); 273 device_initialize(&host->class_dev);
274 } 274 }
275 275
276 return host; 276 return host;
@@ -292,10 +292,10 @@ int mmc_add_host_sysfs(struct mmc_host *host)
292 if (err) 292 if (err)
293 return err; 293 return err;
294 294
295 snprintf(host->class_dev.class_id, BUS_ID_SIZE, 295 snprintf(host->class_dev.bus_id, BUS_ID_SIZE,
296 "mmc%d", host->index); 296 "mmc%d", host->index);
297 297
298 return class_device_add(&host->class_dev); 298 return device_add(&host->class_dev);
299} 299}
300 300
301/* 301/*
@@ -303,7 +303,7 @@ int mmc_add_host_sysfs(struct mmc_host *host)
303 */ 303 */
304void mmc_remove_host_sysfs(struct mmc_host *host) 304void mmc_remove_host_sysfs(struct mmc_host *host)
305{ 305{
306 class_device_del(&host->class_dev); 306 device_del(&host->class_dev);
307 307
308 spin_lock(&mmc_host_lock); 308 spin_lock(&mmc_host_lock);
309 idr_remove(&mmc_host_idr, host->index); 309 idr_remove(&mmc_host_idr, host->index);
@@ -315,23 +315,15 @@ void mmc_remove_host_sysfs(struct mmc_host *host)
315 */ 315 */
316void mmc_free_host_sysfs(struct mmc_host *host) 316void mmc_free_host_sysfs(struct mmc_host *host)
317{ 317{
318 class_device_put(&host->class_dev); 318 put_device(&host->class_dev);
319} 319}
320 320
321static struct workqueue_struct *workqueue; 321static struct workqueue_struct *workqueue;
322 322
323/* 323/*
324 * Internal function. Schedule work in the MMC work queue.
325 */
326int mmc_schedule_work(struct work_struct *work)
327{
328 return queue_work(workqueue, work);
329}
330
331/*
332 * Internal function. Schedule delayed work in the MMC work queue. 324 * Internal function. Schedule delayed work in the MMC work queue.
333 */ 325 */
334int mmc_schedule_delayed_work(struct work_struct *work, unsigned long delay) 326int mmc_schedule_delayed_work(struct delayed_work *work, unsigned long delay)
335{ 327{
336 return queue_delayed_work(workqueue, work, delay); 328 return queue_delayed_work(workqueue, work, delay);
337} 329}
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 828503c4ee62..e9b80e920266 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -443,7 +443,7 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
443 } 443 }
444} 444}
445 445
446static struct mmc_host_ops mmci_ops = { 446static const struct mmc_host_ops mmci_ops = {
447 .request = mmci_request, 447 .request = mmci_request,
448 .set_ios = mmci_set_ios, 448 .set_ios = mmci_set_ios,
449}; 449};
diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c
index 762fa2895891..435d331e772a 100644
--- a/drivers/mmc/omap.c
+++ b/drivers/mmc/omap.c
@@ -38,7 +38,57 @@
38#include <asm/arch/fpga.h> 38#include <asm/arch/fpga.h>
39#include <asm/arch/tps65010.h> 39#include <asm/arch/tps65010.h>
40 40
41#include "omap.h" 41#define OMAP_MMC_REG_CMD 0x00
42#define OMAP_MMC_REG_ARGL 0x04
43#define OMAP_MMC_REG_ARGH 0x08
44#define OMAP_MMC_REG_CON 0x0c
45#define OMAP_MMC_REG_STAT 0x10
46#define OMAP_MMC_REG_IE 0x14
47#define OMAP_MMC_REG_CTO 0x18
48#define OMAP_MMC_REG_DTO 0x1c
49#define OMAP_MMC_REG_DATA 0x20
50#define OMAP_MMC_REG_BLEN 0x24
51#define OMAP_MMC_REG_NBLK 0x28
52#define OMAP_MMC_REG_BUF 0x2c
53#define OMAP_MMC_REG_SDIO 0x34
54#define OMAP_MMC_REG_REV 0x3c
55#define OMAP_MMC_REG_RSP0 0x40
56#define OMAP_MMC_REG_RSP1 0x44
57#define OMAP_MMC_REG_RSP2 0x48
58#define OMAP_MMC_REG_RSP3 0x4c
59#define OMAP_MMC_REG_RSP4 0x50
60#define OMAP_MMC_REG_RSP5 0x54
61#define OMAP_MMC_REG_RSP6 0x58
62#define OMAP_MMC_REG_RSP7 0x5c
63#define OMAP_MMC_REG_IOSR 0x60
64#define OMAP_MMC_REG_SYSC 0x64
65#define OMAP_MMC_REG_SYSS 0x68
66
67#define OMAP_MMC_STAT_CARD_ERR (1 << 14)
68#define OMAP_MMC_STAT_CARD_IRQ (1 << 13)
69#define OMAP_MMC_STAT_OCR_BUSY (1 << 12)
70#define OMAP_MMC_STAT_A_EMPTY (1 << 11)
71#define OMAP_MMC_STAT_A_FULL (1 << 10)
72#define OMAP_MMC_STAT_CMD_CRC (1 << 8)
73#define OMAP_MMC_STAT_CMD_TOUT (1 << 7)
74#define OMAP_MMC_STAT_DATA_CRC (1 << 6)
75#define OMAP_MMC_STAT_DATA_TOUT (1 << 5)
76#define OMAP_MMC_STAT_END_BUSY (1 << 4)
77#define OMAP_MMC_STAT_END_OF_DATA (1 << 3)
78#define OMAP_MMC_STAT_CARD_BUSY (1 << 2)
79#define OMAP_MMC_STAT_END_OF_CMD (1 << 0)
80
81#define OMAP_MMC_READ(host, reg) __raw_readw((host)->virt_base + OMAP_MMC_REG_##reg)
82#define OMAP_MMC_WRITE(host, reg, val) __raw_writew((val), (host)->virt_base + OMAP_MMC_REG_##reg)
83
84/*
85 * Command types
86 */
87#define OMAP_MMC_CMDTYPE_BC 0
88#define OMAP_MMC_CMDTYPE_BCR 1
89#define OMAP_MMC_CMDTYPE_AC 2
90#define OMAP_MMC_CMDTYPE_ADTC 3
91
42 92
43#define DRIVER_NAME "mmci-omap" 93#define DRIVER_NAME "mmci-omap"
44#define RSP_TYPE(x) ((x) & ~(MMC_RSP_BUSY|MMC_RSP_OPCODE)) 94#define RSP_TYPE(x) ((x) & ~(MMC_RSP_BUSY|MMC_RSP_OPCODE))
@@ -60,8 +110,9 @@ struct mmc_omap_host {
60 unsigned char id; /* 16xx chips have 2 MMC blocks */ 110 unsigned char id; /* 16xx chips have 2 MMC blocks */
61 struct clk * iclk; 111 struct clk * iclk;
62 struct clk * fclk; 112 struct clk * fclk;
63 struct resource *res; 113 struct resource *mem_res;
64 void __iomem *base; 114 void __iomem *virt_base;
115 unsigned int phys_base;
65 int irq; 116 int irq;
66 unsigned char bus_mode; 117 unsigned char bus_mode;
67 unsigned char hw_bus_mode; 118 unsigned char hw_bus_mode;
@@ -191,16 +242,16 @@ mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd)
191 242
192 clk_enable(host->fclk); 243 clk_enable(host->fclk);
193 244
194 OMAP_MMC_WRITE(host->base, CTO, 200); 245 OMAP_MMC_WRITE(host, CTO, 200);
195 OMAP_MMC_WRITE(host->base, ARGL, cmd->arg & 0xffff); 246 OMAP_MMC_WRITE(host, ARGL, cmd->arg & 0xffff);
196 OMAP_MMC_WRITE(host->base, ARGH, cmd->arg >> 16); 247 OMAP_MMC_WRITE(host, ARGH, cmd->arg >> 16);
197 OMAP_MMC_WRITE(host->base, IE, 248 OMAP_MMC_WRITE(host, IE,
198 OMAP_MMC_STAT_A_EMPTY | OMAP_MMC_STAT_A_FULL | 249 OMAP_MMC_STAT_A_EMPTY | OMAP_MMC_STAT_A_FULL |
199 OMAP_MMC_STAT_CMD_CRC | OMAP_MMC_STAT_CMD_TOUT | 250 OMAP_MMC_STAT_CMD_CRC | OMAP_MMC_STAT_CMD_TOUT |
200 OMAP_MMC_STAT_DATA_CRC | OMAP_MMC_STAT_DATA_TOUT | 251 OMAP_MMC_STAT_DATA_CRC | OMAP_MMC_STAT_DATA_TOUT |
201 OMAP_MMC_STAT_END_OF_CMD | OMAP_MMC_STAT_CARD_ERR | 252 OMAP_MMC_STAT_END_OF_CMD | OMAP_MMC_STAT_CARD_ERR |
202 OMAP_MMC_STAT_END_OF_DATA); 253 OMAP_MMC_STAT_END_OF_DATA);
203 OMAP_MMC_WRITE(host->base, CMD, cmdreg); 254 OMAP_MMC_WRITE(host, CMD, cmdreg);
204} 255}
205 256
206static void 257static void
@@ -296,22 +347,22 @@ mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd)
296 if (cmd->flags & MMC_RSP_136) { 347 if (cmd->flags & MMC_RSP_136) {
297 /* response type 2 */ 348 /* response type 2 */
298 cmd->resp[3] = 349 cmd->resp[3] =
299 OMAP_MMC_READ(host->base, RSP0) | 350 OMAP_MMC_READ(host, RSP0) |
300 (OMAP_MMC_READ(host->base, RSP1) << 16); 351 (OMAP_MMC_READ(host, RSP1) << 16);
301 cmd->resp[2] = 352 cmd->resp[2] =
302 OMAP_MMC_READ(host->base, RSP2) | 353 OMAP_MMC_READ(host, RSP2) |
303 (OMAP_MMC_READ(host->base, RSP3) << 16); 354 (OMAP_MMC_READ(host, RSP3) << 16);
304 cmd->resp[1] = 355 cmd->resp[1] =
305 OMAP_MMC_READ(host->base, RSP4) | 356 OMAP_MMC_READ(host, RSP4) |
306 (OMAP_MMC_READ(host->base, RSP5) << 16); 357 (OMAP_MMC_READ(host, RSP5) << 16);
307 cmd->resp[0] = 358 cmd->resp[0] =
308 OMAP_MMC_READ(host->base, RSP6) | 359 OMAP_MMC_READ(host, RSP6) |
309 (OMAP_MMC_READ(host->base, RSP7) << 16); 360 (OMAP_MMC_READ(host, RSP7) << 16);
310 } else { 361 } else {
311 /* response types 1, 1b, 3, 4, 5, 6 */ 362 /* response types 1, 1b, 3, 4, 5, 6 */
312 cmd->resp[0] = 363 cmd->resp[0] =
313 OMAP_MMC_READ(host->base, RSP6) | 364 OMAP_MMC_READ(host, RSP6) |
314 (OMAP_MMC_READ(host->base, RSP7) << 16); 365 (OMAP_MMC_READ(host, RSP7) << 16);
315 } 366 }
316 } 367 }
317 368
@@ -354,9 +405,9 @@ mmc_omap_xfer_data(struct mmc_omap_host *host, int write)
354 host->data->bytes_xfered += n; 405 host->data->bytes_xfered += n;
355 406
356 if (write) { 407 if (write) {
357 __raw_writesw(host->base + OMAP_MMC_REG_DATA, host->buffer, n); 408 __raw_writesw(host->virt_base + OMAP_MMC_REG_DATA, host->buffer, n);
358 } else { 409 } else {
359 __raw_readsw(host->base + OMAP_MMC_REG_DATA, host->buffer, n); 410 __raw_readsw(host->virt_base + OMAP_MMC_REG_DATA, host->buffer, n);
360 } 411 }
361} 412}
362 413
@@ -386,11 +437,11 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
386 int transfer_error; 437 int transfer_error;
387 438
388 if (host->cmd == NULL && host->data == NULL) { 439 if (host->cmd == NULL && host->data == NULL) {
389 status = OMAP_MMC_READ(host->base, STAT); 440 status = OMAP_MMC_READ(host, STAT);
390 dev_info(mmc_dev(host->mmc),"spurious irq 0x%04x\n", status); 441 dev_info(mmc_dev(host->mmc),"spurious irq 0x%04x\n", status);
391 if (status != 0) { 442 if (status != 0) {
392 OMAP_MMC_WRITE(host->base, STAT, status); 443 OMAP_MMC_WRITE(host, STAT, status);
393 OMAP_MMC_WRITE(host->base, IE, 0); 444 OMAP_MMC_WRITE(host, IE, 0);
394 } 445 }
395 return IRQ_HANDLED; 446 return IRQ_HANDLED;
396 } 447 }
@@ -399,8 +450,8 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
399 end_transfer = 0; 450 end_transfer = 0;
400 transfer_error = 0; 451 transfer_error = 0;
401 452
402 while ((status = OMAP_MMC_READ(host->base, STAT)) != 0) { 453 while ((status = OMAP_MMC_READ(host, STAT)) != 0) {
403 OMAP_MMC_WRITE(host->base, STAT, status); 454 OMAP_MMC_WRITE(host, STAT, status);
404#ifdef CONFIG_MMC_DEBUG 455#ifdef CONFIG_MMC_DEBUG
405 dev_dbg(mmc_dev(host->mmc), "MMC IRQ %04x (CMD %d): ", 456 dev_dbg(mmc_dev(host->mmc), "MMC IRQ %04x (CMD %d): ",
406 status, host->cmd != NULL ? host->cmd->opcode : -1); 457 status, host->cmd != NULL ? host->cmd->opcode : -1);
@@ -470,8 +521,8 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
470 521
471 if (status & OMAP_MMC_STAT_CARD_ERR) { 522 if (status & OMAP_MMC_STAT_CARD_ERR) {
472 if (host->cmd && host->cmd->opcode == MMC_STOP_TRANSMISSION) { 523 if (host->cmd && host->cmd->opcode == MMC_STOP_TRANSMISSION) {
473 u32 response = OMAP_MMC_READ(host->base, RSP6) 524 u32 response = OMAP_MMC_READ(host, RSP6)
474 | (OMAP_MMC_READ(host->base, RSP7) << 16); 525 | (OMAP_MMC_READ(host, RSP7) << 16);
475 /* STOP sometimes sets must-ignore bits */ 526 /* STOP sometimes sets must-ignore bits */
476 if (!(response & (R1_CC_ERROR 527 if (!(response & (R1_CC_ERROR
477 | R1_ILLEGAL_COMMAND 528 | R1_ILLEGAL_COMMAND
@@ -530,12 +581,6 @@ static void mmc_omap_switch_timer(unsigned long arg)
530 schedule_work(&host->switch_work); 581 schedule_work(&host->switch_work);
531} 582}
532 583
533/* FIXME: Handle card insertion and removal properly. Maybe use a mask
534 * for MMC state? */
535static void mmc_omap_switch_callback(unsigned long data, u8 mmc_mask)
536{
537}
538
539static void mmc_omap_switch_handler(void *data) 584static void mmc_omap_switch_handler(void *data)
540{ 585{
541 struct mmc_omap_host *host = (struct mmc_omap_host *) data; 586 struct mmc_omap_host *host = (struct mmc_omap_host *) data;
@@ -581,7 +626,7 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data)
581 int dst_port = 0; 626 int dst_port = 0;
582 int sync_dev = 0; 627 int sync_dev = 0;
583 628
584 data_addr = io_v2p((u32) host->base) + OMAP_MMC_REG_DATA; 629 data_addr = host->phys_base + OMAP_MMC_REG_DATA;
585 frame = data->blksz; 630 frame = data->blksz;
586 count = sg_dma_len(sg); 631 count = sg_dma_len(sg);
587 632
@@ -640,10 +685,9 @@ mmc_omap_prepare_dma(struct mmc_omap_host *host, struct mmc_data *data)
640 } 685 }
641 686
642 /* Max limit for DMA frame count is 0xffff */ 687 /* Max limit for DMA frame count is 0xffff */
643 if (unlikely(count > 0xffff)) 688 BUG_ON(count > 0xffff);
644 BUG();
645 689
646 OMAP_MMC_WRITE(host->base, BUF, buf); 690 OMAP_MMC_WRITE(host, BUF, buf);
647 omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S16, 691 omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S16,
648 frame, count, OMAP_DMA_SYNC_FRAME, 692 frame, count, OMAP_DMA_SYNC_FRAME,
649 sync_dev, 0); 693 sync_dev, 0);
@@ -728,11 +772,11 @@ static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_reques
728{ 772{
729 u16 reg; 773 u16 reg;
730 774
731 reg = OMAP_MMC_READ(host->base, SDIO); 775 reg = OMAP_MMC_READ(host, SDIO);
732 reg &= ~(1 << 5); 776 reg &= ~(1 << 5);
733 OMAP_MMC_WRITE(host->base, SDIO, reg); 777 OMAP_MMC_WRITE(host, SDIO, reg);
734 /* Set maximum timeout */ 778 /* Set maximum timeout */
735 OMAP_MMC_WRITE(host->base, CTO, 0xff); 779 OMAP_MMC_WRITE(host, CTO, 0xff);
736} 780}
737 781
738static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req) 782static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req)
@@ -746,14 +790,14 @@ static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_reque
746 timeout = req->data->timeout_clks + req->data->timeout_ns / 500; 790 timeout = req->data->timeout_clks + req->data->timeout_ns / 500;
747 791
748 /* Check if we need to use timeout multiplier register */ 792 /* Check if we need to use timeout multiplier register */
749 reg = OMAP_MMC_READ(host->base, SDIO); 793 reg = OMAP_MMC_READ(host, SDIO);
750 if (timeout > 0xffff) { 794 if (timeout > 0xffff) {
751 reg |= (1 << 5); 795 reg |= (1 << 5);
752 timeout /= 1024; 796 timeout /= 1024;
753 } else 797 } else
754 reg &= ~(1 << 5); 798 reg &= ~(1 << 5);
755 OMAP_MMC_WRITE(host->base, SDIO, reg); 799 OMAP_MMC_WRITE(host, SDIO, reg);
756 OMAP_MMC_WRITE(host->base, DTO, timeout); 800 OMAP_MMC_WRITE(host, DTO, timeout);
757} 801}
758 802
759static void 803static void
@@ -765,19 +809,18 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
765 809
766 host->data = data; 810 host->data = data;
767 if (data == NULL) { 811 if (data == NULL) {
768 OMAP_MMC_WRITE(host->base, BLEN, 0); 812 OMAP_MMC_WRITE(host, BLEN, 0);
769 OMAP_MMC_WRITE(host->base, NBLK, 0); 813 OMAP_MMC_WRITE(host, NBLK, 0);
770 OMAP_MMC_WRITE(host->base, BUF, 0); 814 OMAP_MMC_WRITE(host, BUF, 0);
771 host->dma_in_use = 0; 815 host->dma_in_use = 0;
772 set_cmd_timeout(host, req); 816 set_cmd_timeout(host, req);
773 return; 817 return;
774 } 818 }
775 819
776
777 block_size = data->blksz; 820 block_size = data->blksz;
778 821
779 OMAP_MMC_WRITE(host->base, NBLK, data->blocks - 1); 822 OMAP_MMC_WRITE(host, NBLK, data->blocks - 1);
780 OMAP_MMC_WRITE(host->base, BLEN, block_size - 1); 823 OMAP_MMC_WRITE(host, BLEN, block_size - 1);
781 set_data_timeout(host, req); 824 set_data_timeout(host, req);
782 825
783 /* cope with calling layer confusion; it issues "single 826 /* cope with calling layer confusion; it issues "single
@@ -819,7 +862,7 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req)
819 862
820 /* Revert to PIO? */ 863 /* Revert to PIO? */
821 if (!use_dma) { 864 if (!use_dma) {
822 OMAP_MMC_WRITE(host->base, BUF, 0x1f1f); 865 OMAP_MMC_WRITE(host, BUF, 0x1f1f);
823 host->total_bytes_left = data->blocks * block_size; 866 host->total_bytes_left = data->blocks * block_size;
824 host->sg_len = sg_len; 867 host->sg_len = sg_len;
825 mmc_omap_sg_to_buf(host); 868 mmc_omap_sg_to_buf(host);
@@ -845,7 +888,6 @@ static void mmc_omap_request(struct mmc_host *mmc, struct mmc_request *req)
845static void innovator_fpga_socket_power(int on) 888static void innovator_fpga_socket_power(int on)
846{ 889{
847#if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX) 890#if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX)
848
849 if (on) { 891 if (on) {
850 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3), 892 fpga_write(fpga_read(OMAP1510_FPGA_POWER) | (1 << 3),
851 OMAP1510_FPGA_POWER); 893 OMAP1510_FPGA_POWER);
@@ -871,8 +913,8 @@ static void mmc_omap_power(struct mmc_omap_host *host, int on)
871 /* GPIO 4 of TPS65010 sends SD_EN signal */ 913 /* GPIO 4 of TPS65010 sends SD_EN signal */
872 tps65010_set_gpio_out_value(GPIO4, HIGH); 914 tps65010_set_gpio_out_value(GPIO4, HIGH);
873 else if (cpu_is_omap24xx()) { 915 else if (cpu_is_omap24xx()) {
874 u16 reg = OMAP_MMC_READ(host->base, CON); 916 u16 reg = OMAP_MMC_READ(host, CON);
875 OMAP_MMC_WRITE(host->base, CON, reg | (1 << 11)); 917 OMAP_MMC_WRITE(host, CON, reg | (1 << 11));
876 } else 918 } else
877 if (host->power_pin >= 0) 919 if (host->power_pin >= 0)
878 omap_set_gpio_dataout(host->power_pin, 1); 920 omap_set_gpio_dataout(host->power_pin, 1);
@@ -884,8 +926,8 @@ static void mmc_omap_power(struct mmc_omap_host *host, int on)
884 else if (machine_is_omap_h3()) 926 else if (machine_is_omap_h3())
885 tps65010_set_gpio_out_value(GPIO4, LOW); 927 tps65010_set_gpio_out_value(GPIO4, LOW);
886 else if (cpu_is_omap24xx()) { 928 else if (cpu_is_omap24xx()) {
887 u16 reg = OMAP_MMC_READ(host->base, CON); 929 u16 reg = OMAP_MMC_READ(host, CON);
888 OMAP_MMC_WRITE(host->base, CON, reg & ~(1 << 11)); 930 OMAP_MMC_WRITE(host, CON, reg & ~(1 << 11));
889 } else 931 } else
890 if (host->power_pin >= 0) 932 if (host->power_pin >= 0)
891 omap_set_gpio_dataout(host->power_pin, 0); 933 omap_set_gpio_dataout(host->power_pin, 0);
@@ -927,7 +969,7 @@ static void mmc_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
927 case MMC_POWER_UP: 969 case MMC_POWER_UP:
928 case MMC_POWER_ON: 970 case MMC_POWER_ON:
929 mmc_omap_power(host, 1); 971 mmc_omap_power(host, 1);
930 dsor |= 1<<11; 972 dsor |= 1 << 11;
931 break; 973 break;
932 } 974 }
933 975
@@ -941,14 +983,14 @@ static void mmc_omap_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
941 * which results in the while loop below getting stuck. 983 * which results in the while loop below getting stuck.
942 * Writing to the CON register twice seems to do the trick. */ 984 * Writing to the CON register twice seems to do the trick. */
943 for (i = 0; i < 2; i++) 985 for (i = 0; i < 2; i++)
944 OMAP_MMC_WRITE(host->base, CON, dsor); 986 OMAP_MMC_WRITE(host, CON, dsor);
945 if (ios->power_mode == MMC_POWER_UP) { 987 if (ios->power_mode == MMC_POWER_UP) {
946 /* Send clock cycles, poll completion */ 988 /* Send clock cycles, poll completion */
947 OMAP_MMC_WRITE(host->base, IE, 0); 989 OMAP_MMC_WRITE(host, IE, 0);
948 OMAP_MMC_WRITE(host->base, STAT, 0xffff); 990 OMAP_MMC_WRITE(host, STAT, 0xffff);
949 OMAP_MMC_WRITE(host->base, CMD, 1<<7); 991 OMAP_MMC_WRITE(host, CMD, 1 << 7);
950 while (0 == (OMAP_MMC_READ(host->base, STAT) & 1)); 992 while ((OMAP_MMC_READ(host, STAT) & 1) == 0);
951 OMAP_MMC_WRITE(host->base, STAT, 1); 993 OMAP_MMC_WRITE(host, STAT, 1);
952 } 994 }
953 clk_disable(host->fclk); 995 clk_disable(host->fclk);
954} 996}
@@ -960,7 +1002,7 @@ static int mmc_omap_get_ro(struct mmc_host *mmc)
960 return host->wp_pin && omap_get_gpio_datain(host->wp_pin); 1002 return host->wp_pin && omap_get_gpio_datain(host->wp_pin);
961} 1003}
962 1004
963static struct mmc_host_ops mmc_omap_ops = { 1005static const struct mmc_host_ops mmc_omap_ops = {
964 .request = mmc_omap_request, 1006 .request = mmc_omap_request,
965 .set_ios = mmc_omap_set_ios, 1007 .set_ios = mmc_omap_set_ios,
966 .get_ro = mmc_omap_get_ro, 1008 .get_ro = mmc_omap_get_ro,
@@ -971,25 +1013,29 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
971 struct omap_mmc_conf *minfo = pdev->dev.platform_data; 1013 struct omap_mmc_conf *minfo = pdev->dev.platform_data;
972 struct mmc_host *mmc; 1014 struct mmc_host *mmc;
973 struct mmc_omap_host *host = NULL; 1015 struct mmc_omap_host *host = NULL;
974 struct resource *r; 1016 struct resource *res;
975 int ret = 0; 1017 int ret = 0;
976 int irq; 1018 int irq;
977 1019
978 r = platform_get_resource(pdev, IORESOURCE_MEM, 0); 1020 if (minfo == NULL) {
1021 dev_err(&pdev->dev, "platform data missing\n");
1022 return -ENXIO;
1023 }
1024
1025 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
979 irq = platform_get_irq(pdev, 0); 1026 irq = platform_get_irq(pdev, 0);
980 if (!r || irq < 0) 1027 if (res == NULL || irq < 0)
981 return -ENXIO; 1028 return -ENXIO;
982 1029
983 r = request_mem_region(pdev->resource[0].start, 1030 res = request_mem_region(res->start, res->end - res->start + 1,
984 pdev->resource[0].end - pdev->resource[0].start + 1, 1031 pdev->name);
985 pdev->name); 1032 if (res == NULL)
986 if (!r)
987 return -EBUSY; 1033 return -EBUSY;
988 1034
989 mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev); 1035 mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev);
990 if (!mmc) { 1036 if (mmc == NULL) {
991 ret = -ENOMEM; 1037 ret = -ENOMEM;
992 goto out; 1038 goto err_free_mem_region;
993 } 1039 }
994 1040
995 host = mmc_priv(mmc); 1041 host = mmc_priv(mmc);
@@ -1001,13 +1047,13 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1001 host->dma_timer.data = (unsigned long) host; 1047 host->dma_timer.data = (unsigned long) host;
1002 1048
1003 host->id = pdev->id; 1049 host->id = pdev->id;
1004 host->res = r; 1050 host->mem_res = res;
1005 host->irq = irq; 1051 host->irq = irq;
1006 1052
1007 if (cpu_is_omap24xx()) { 1053 if (cpu_is_omap24xx()) {
1008 host->iclk = clk_get(&pdev->dev, "mmc_ick"); 1054 host->iclk = clk_get(&pdev->dev, "mmc_ick");
1009 if (IS_ERR(host->iclk)) 1055 if (IS_ERR(host->iclk))
1010 goto out; 1056 goto err_free_mmc_host;
1011 clk_enable(host->iclk); 1057 clk_enable(host->iclk);
1012 } 1058 }
1013 1059
@@ -1018,7 +1064,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1018 1064
1019 if (IS_ERR(host->fclk)) { 1065 if (IS_ERR(host->fclk)) {
1020 ret = PTR_ERR(host->fclk); 1066 ret = PTR_ERR(host->fclk);
1021 goto out; 1067 goto err_free_iclk;
1022 } 1068 }
1023 1069
1024 /* REVISIT: 1070 /* REVISIT:
@@ -1031,14 +1077,15 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1031 host->use_dma = 1; 1077 host->use_dma = 1;
1032 host->dma_ch = -1; 1078 host->dma_ch = -1;
1033 1079
1034 host->irq = pdev->resource[1].start; 1080 host->irq = irq;
1035 host->base = (void __iomem*)IO_ADDRESS(r->start); 1081 host->phys_base = host->mem_res->start;
1082 host->virt_base = (void __iomem *) IO_ADDRESS(host->phys_base);
1036 1083
1037 mmc->ops = &mmc_omap_ops; 1084 mmc->ops = &mmc_omap_ops;
1038 mmc->f_min = 400000; 1085 mmc->f_min = 400000;
1039 mmc->f_max = 24000000; 1086 mmc->f_max = 24000000;
1040 mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34; 1087 mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
1041 mmc->caps = MMC_CAP_BYTEBLOCK; 1088 mmc->caps = MMC_CAP_MULTIWRITE | MMC_CAP_BYTEBLOCK;
1042 1089
1043 if (minfo->wire4) 1090 if (minfo->wire4)
1044 mmc->caps |= MMC_CAP_4_BIT_DATA; 1091 mmc->caps |= MMC_CAP_4_BIT_DATA;
@@ -1056,20 +1103,18 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1056 if ((ret = omap_request_gpio(host->power_pin)) != 0) { 1103 if ((ret = omap_request_gpio(host->power_pin)) != 0) {
1057 dev_err(mmc_dev(host->mmc), 1104 dev_err(mmc_dev(host->mmc),
1058 "Unable to get GPIO pin for MMC power\n"); 1105 "Unable to get GPIO pin for MMC power\n");
1059 goto out; 1106 goto err_free_fclk;
1060 } 1107 }
1061 omap_set_gpio_direction(host->power_pin, 0); 1108 omap_set_gpio_direction(host->power_pin, 0);
1062 } 1109 }
1063 1110
1064 ret = request_irq(host->irq, mmc_omap_irq, 0, DRIVER_NAME, host); 1111 ret = request_irq(host->irq, mmc_omap_irq, 0, DRIVER_NAME, host);
1065 if (ret) 1112 if (ret)
1066 goto out; 1113 goto err_free_power_gpio;
1067 1114
1068 host->dev = &pdev->dev; 1115 host->dev = &pdev->dev;
1069 platform_set_drvdata(pdev, host); 1116 platform_set_drvdata(pdev, host);
1070 1117
1071 mmc_add_host(mmc);
1072
1073 if (host->switch_pin >= 0) { 1118 if (host->switch_pin >= 0) {
1074 INIT_WORK(&host->switch_work, mmc_omap_switch_handler, host); 1119 INIT_WORK(&host->switch_work, mmc_omap_switch_handler, host);
1075 init_timer(&host->switch_timer); 1120 init_timer(&host->switch_timer);
@@ -1107,10 +1152,11 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
1107 schedule_work(&host->switch_work); 1152 schedule_work(&host->switch_work);
1108 } 1153 }
1109 1154
1110no_switch: 1155 mmc_add_host(mmc);
1156
1111 return 0; 1157 return 0;
1112 1158
1113out: 1159no_switch:
1114 /* FIXME: Free other resources too. */ 1160 /* FIXME: Free other resources too. */
1115 if (host) { 1161 if (host) {
1116 if (host->iclk && !IS_ERR(host->iclk)) 1162 if (host->iclk && !IS_ERR(host->iclk))
@@ -1119,6 +1165,20 @@ out:
1119 clk_put(host->fclk); 1165 clk_put(host->fclk);
1120 mmc_free_host(host->mmc); 1166 mmc_free_host(host->mmc);
1121 } 1167 }
1168err_free_power_gpio:
1169 if (host->power_pin >= 0)
1170 omap_free_gpio(host->power_pin);
1171err_free_fclk:
1172 clk_put(host->fclk);
1173err_free_iclk:
1174 if (host->iclk != NULL) {
1175 clk_disable(host->iclk);
1176 clk_put(host->iclk);
1177 }
1178err_free_mmc_host:
1179 mmc_free_host(host->mmc);
1180err_free_mem_region:
1181 release_mem_region(res->start, res->end - res->start + 1);
1122 return ret; 1182 return ret;
1123} 1183}
1124 1184
@@ -1128,30 +1188,31 @@ static int mmc_omap_remove(struct platform_device *pdev)
1128 1188
1129 platform_set_drvdata(pdev, NULL); 1189 platform_set_drvdata(pdev, NULL);
1130 1190
1131 if (host) { 1191 BUG_ON(host == NULL);
1132 mmc_remove_host(host->mmc); 1192
1133 free_irq(host->irq, host); 1193 mmc_remove_host(host->mmc);
1134 1194 free_irq(host->irq, host);
1135 if (host->power_pin >= 0) 1195
1136 omap_free_gpio(host->power_pin); 1196 if (host->power_pin >= 0)
1137 if (host->switch_pin >= 0) { 1197 omap_free_gpio(host->power_pin);
1138 device_remove_file(&pdev->dev, &dev_attr_enable_poll); 1198 if (host->switch_pin >= 0) {
1139 device_remove_file(&pdev->dev, &dev_attr_cover_switch); 1199 device_remove_file(&pdev->dev, &dev_attr_enable_poll);
1140 free_irq(OMAP_GPIO_IRQ(host->switch_pin), host); 1200 device_remove_file(&pdev->dev, &dev_attr_cover_switch);
1141 omap_free_gpio(host->switch_pin); 1201 free_irq(OMAP_GPIO_IRQ(host->switch_pin), host);
1142 host->switch_pin = -1; 1202 omap_free_gpio(host->switch_pin);
1143 del_timer_sync(&host->switch_timer); 1203 host->switch_pin = -1;
1144 flush_scheduled_work(); 1204 del_timer_sync(&host->switch_timer);
1145 } 1205 flush_scheduled_work();
1146 if (host->iclk && !IS_ERR(host->iclk))
1147 clk_put(host->iclk);
1148 if (host->fclk && !IS_ERR(host->fclk))
1149 clk_put(host->fclk);
1150 mmc_free_host(host->mmc);
1151 } 1206 }
1207 if (host->iclk && !IS_ERR(host->iclk))
1208 clk_put(host->iclk);
1209 if (host->fclk && !IS_ERR(host->fclk))
1210 clk_put(host->fclk);
1152 1211
1153 release_mem_region(pdev->resource[0].start, 1212 release_mem_region(pdev->resource[0].start,
1154 pdev->resource[0].end - pdev->resource[0].start + 1); 1213 pdev->resource[0].end - pdev->resource[0].start + 1);
1214
1215 mmc_free_host(host->mmc);
1155 1216
1156 return 0; 1217 return 0;
1157} 1218}
diff --git a/drivers/mmc/omap.h b/drivers/mmc/omap.h
deleted file mode 100644
index c954d355a5e3..000000000000
--- a/drivers/mmc/omap.h
+++ /dev/null
@@ -1,55 +0,0 @@
1#ifndef DRIVERS_MEDIA_MMC_OMAP_H
2#define DRIVERS_MEDIA_MMC_OMAP_H
3
4#define OMAP_MMC_REG_CMD 0x00
5#define OMAP_MMC_REG_ARGL 0x04
6#define OMAP_MMC_REG_ARGH 0x08
7#define OMAP_MMC_REG_CON 0x0c
8#define OMAP_MMC_REG_STAT 0x10
9#define OMAP_MMC_REG_IE 0x14
10#define OMAP_MMC_REG_CTO 0x18
11#define OMAP_MMC_REG_DTO 0x1c
12#define OMAP_MMC_REG_DATA 0x20
13#define OMAP_MMC_REG_BLEN 0x24
14#define OMAP_MMC_REG_NBLK 0x28
15#define OMAP_MMC_REG_BUF 0x2c
16#define OMAP_MMC_REG_SDIO 0x34
17#define OMAP_MMC_REG_REV 0x3c
18#define OMAP_MMC_REG_RSP0 0x40
19#define OMAP_MMC_REG_RSP1 0x44
20#define OMAP_MMC_REG_RSP2 0x48
21#define OMAP_MMC_REG_RSP3 0x4c
22#define OMAP_MMC_REG_RSP4 0x50
23#define OMAP_MMC_REG_RSP5 0x54
24#define OMAP_MMC_REG_RSP6 0x58
25#define OMAP_MMC_REG_RSP7 0x5c
26#define OMAP_MMC_REG_IOSR 0x60
27#define OMAP_MMC_REG_SYSC 0x64
28#define OMAP_MMC_REG_SYSS 0x68
29
30#define OMAP_MMC_STAT_CARD_ERR (1 << 14)
31#define OMAP_MMC_STAT_CARD_IRQ (1 << 13)
32#define OMAP_MMC_STAT_OCR_BUSY (1 << 12)
33#define OMAP_MMC_STAT_A_EMPTY (1 << 11)
34#define OMAP_MMC_STAT_A_FULL (1 << 10)
35#define OMAP_MMC_STAT_CMD_CRC (1 << 8)
36#define OMAP_MMC_STAT_CMD_TOUT (1 << 7)
37#define OMAP_MMC_STAT_DATA_CRC (1 << 6)
38#define OMAP_MMC_STAT_DATA_TOUT (1 << 5)
39#define OMAP_MMC_STAT_END_BUSY (1 << 4)
40#define OMAP_MMC_STAT_END_OF_DATA (1 << 3)
41#define OMAP_MMC_STAT_CARD_BUSY (1 << 2)
42#define OMAP_MMC_STAT_END_OF_CMD (1 << 0)
43
44#define OMAP_MMC_READ(base, reg) __raw_readw((base) + OMAP_MMC_REG_##reg)
45#define OMAP_MMC_WRITE(base, reg, val) __raw_writew((val), (base) + OMAP_MMC_REG_##reg)
46
47/*
48 * Command types
49 */
50#define OMAP_MMC_CMDTYPE_BC 0
51#define OMAP_MMC_CMDTYPE_BCR 1
52#define OMAP_MMC_CMDTYPE_AC 2
53#define OMAP_MMC_CMDTYPE_ADTC 3
54
55#endif
diff --git a/drivers/mmc/pxamci.c b/drivers/mmc/pxamci.c
index a526698b8c91..471e9f4e0530 100644
--- a/drivers/mmc/pxamci.c
+++ b/drivers/mmc/pxamci.c
@@ -393,7 +393,7 @@ static void pxamci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
393 host->clkrt, host->cmdat); 393 host->clkrt, host->cmdat);
394} 394}
395 395
396static struct mmc_host_ops pxamci_ops = { 396static const struct mmc_host_ops pxamci_ops = {
397 .request = pxamci_request, 397 .request = pxamci_request,
398 .get_ro = pxamci_get_ro, 398 .get_ro = pxamci_get_ro,
399 .set_ios = pxamci_set_ios, 399 .set_ios = pxamci_set_ios,
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 9a7d39b7cdbf..cd98117632d3 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -616,6 +616,7 @@ static void sdhci_finish_command(struct sdhci_host *host)
616static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) 616static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
617{ 617{
618 int div; 618 int div;
619 u8 ctrl;
619 u16 clk; 620 u16 clk;
620 unsigned long timeout; 621 unsigned long timeout;
621 622
@@ -624,6 +625,13 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
624 625
625 writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL); 626 writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL);
626 627
628 ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL);
629 if (clock > 25000000)
630 ctrl |= SDHCI_CTRL_HISPD;
631 else
632 ctrl &= ~SDHCI_CTRL_HISPD;
633 writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL);
634
627 if (clock == 0) 635 if (clock == 0)
628 goto out; 636 goto out;
629 637
@@ -784,7 +792,7 @@ static int sdhci_get_ro(struct mmc_host *mmc)
784 return !(present & SDHCI_WRITE_PROTECT); 792 return !(present & SDHCI_WRITE_PROTECT);
785} 793}
786 794
787static struct mmc_host_ops sdhci_ops = { 795static const struct mmc_host_ops sdhci_ops = {
788 .request = sdhci_request, 796 .request = sdhci_request,
789 .set_ios = sdhci_set_ios, 797 .set_ios = sdhci_set_ios,
790 .get_ro = sdhci_get_ro, 798 .get_ro = sdhci_get_ro,
@@ -1291,6 +1299,13 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
1291 else if (caps & SDHCI_CAN_VDD_180) 1299 else if (caps & SDHCI_CAN_VDD_180)
1292 mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19; 1300 mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19;
1293 1301
1302 if ((host->max_clk > 25000000) && !(caps & SDHCI_CAN_DO_HISPD)) {
1303 printk(KERN_ERR "%s: Controller reports > 25 MHz base clock,"
1304 " but no high speed support.\n",
1305 host->slot_descr);
1306 mmc->f_max = 25000000;
1307 }
1308
1294 if (mmc->ocr_avail == 0) { 1309 if (mmc->ocr_avail == 0) {
1295 printk(KERN_ERR "%s: Hardware doesn't report any " 1310 printk(KERN_ERR "%s: Hardware doesn't report any "
1296 "support voltages.\n", host->slot_descr); 1311 "support voltages.\n", host->slot_descr);
diff --git a/drivers/mmc/sdhci.h b/drivers/mmc/sdhci.h
index 72a67937afe0..f9d1a0a6f03a 100644
--- a/drivers/mmc/sdhci.h
+++ b/drivers/mmc/sdhci.h
@@ -71,6 +71,7 @@
71#define SDHCI_HOST_CONTROL 0x28 71#define SDHCI_HOST_CONTROL 0x28
72#define SDHCI_CTRL_LED 0x01 72#define SDHCI_CTRL_LED 0x01
73#define SDHCI_CTRL_4BITBUS 0x02 73#define SDHCI_CTRL_4BITBUS 0x02
74#define SDHCI_CTRL_HISPD 0x04
74 75
75#define SDHCI_POWER_CONTROL 0x29 76#define SDHCI_POWER_CONTROL 0x29
76#define SDHCI_POWER_ON 0x01 77#define SDHCI_POWER_ON 0x01
@@ -138,6 +139,7 @@
138#define SDHCI_CLOCK_BASE_SHIFT 8 139#define SDHCI_CLOCK_BASE_SHIFT 8
139#define SDHCI_MAX_BLOCK_MASK 0x00030000 140#define SDHCI_MAX_BLOCK_MASK 0x00030000
140#define SDHCI_MAX_BLOCK_SHIFT 16 141#define SDHCI_MAX_BLOCK_SHIFT 16
142#define SDHCI_CAN_DO_HISPD 0x00200000
141#define SDHCI_CAN_DO_DMA 0x00400000 143#define SDHCI_CAN_DO_DMA 0x00400000
142#define SDHCI_CAN_VDD_330 0x01000000 144#define SDHCI_CAN_VDD_330 0x01000000
143#define SDHCI_CAN_VDD_300 0x02000000 145#define SDHCI_CAN_VDD_300 0x02000000
diff --git a/drivers/mmc/tifm_sd.c b/drivers/mmc/tifm_sd.c
index 0fdc55b08a6d..e846499a004c 100644
--- a/drivers/mmc/tifm_sd.c
+++ b/drivers/mmc/tifm_sd.c
@@ -99,7 +99,7 @@ struct tifm_sd {
99 99
100 struct mmc_request *req; 100 struct mmc_request *req;
101 struct work_struct cmd_handler; 101 struct work_struct cmd_handler;
102 struct work_struct abort_handler; 102 struct delayed_work abort_handler;
103 wait_queue_head_t can_eject; 103 wait_queue_head_t can_eject;
104 104
105 size_t written_blocks; 105 size_t written_blocks;
@@ -496,9 +496,9 @@ err_out:
496 mmc_request_done(mmc, mrq); 496 mmc_request_done(mmc, mrq);
497} 497}
498 498
499static void tifm_sd_end_cmd(void *data) 499static void tifm_sd_end_cmd(struct work_struct *work)
500{ 500{
501 struct tifm_sd *host = data; 501 struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler);
502 struct tifm_dev *sock = host->dev; 502 struct tifm_dev *sock = host->dev;
503 struct mmc_host *mmc = tifm_get_drvdata(sock); 503 struct mmc_host *mmc = tifm_get_drvdata(sock);
504 struct mmc_request *mrq; 504 struct mmc_request *mrq;
@@ -608,9 +608,9 @@ err_out:
608 mmc_request_done(mmc, mrq); 608 mmc_request_done(mmc, mrq);
609} 609}
610 610
611static void tifm_sd_end_cmd_nodma(void *data) 611static void tifm_sd_end_cmd_nodma(struct work_struct *work)
612{ 612{
613 struct tifm_sd *host = (struct tifm_sd*)data; 613 struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler);
614 struct tifm_dev *sock = host->dev; 614 struct tifm_dev *sock = host->dev;
615 struct mmc_host *mmc = tifm_get_drvdata(sock); 615 struct mmc_host *mmc = tifm_get_drvdata(sock);
616 struct mmc_request *mrq; 616 struct mmc_request *mrq;
@@ -661,11 +661,14 @@ static void tifm_sd_end_cmd_nodma(void *data)
661 mmc_request_done(mmc, mrq); 661 mmc_request_done(mmc, mrq);
662} 662}
663 663
664static void tifm_sd_abort(void *data) 664static void tifm_sd_abort(struct work_struct *work)
665{ 665{
666 struct tifm_sd *host =
667 container_of(work, struct tifm_sd, abort_handler.work);
668
666 printk(KERN_ERR DRIVER_NAME 669 printk(KERN_ERR DRIVER_NAME
667 ": card failed to respond for a long period of time"); 670 ": card failed to respond for a long period of time");
668 tifm_eject(((struct tifm_sd*)data)->dev); 671 tifm_eject(host->dev);
669} 672}
670 673
671static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios) 674static void tifm_sd_ios(struct mmc_host *mmc, struct mmc_ios *ios)
@@ -762,9 +765,9 @@ static struct mmc_host_ops tifm_sd_ops = {
762 .get_ro = tifm_sd_ro 765 .get_ro = tifm_sd_ro
763}; 766};
764 767
765static void tifm_sd_register_host(void *data) 768static void tifm_sd_register_host(struct work_struct *work)
766{ 769{
767 struct tifm_sd *host = (struct tifm_sd*)data; 770 struct tifm_sd *host = container_of(work, struct tifm_sd, cmd_handler);
768 struct tifm_dev *sock = host->dev; 771 struct tifm_dev *sock = host->dev;
769 struct mmc_host *mmc = tifm_get_drvdata(sock); 772 struct mmc_host *mmc = tifm_get_drvdata(sock);
770 unsigned long flags; 773 unsigned long flags;
@@ -772,8 +775,7 @@ static void tifm_sd_register_host(void *data)
772 spin_lock_irqsave(&sock->lock, flags); 775 spin_lock_irqsave(&sock->lock, flags);
773 host->flags |= HOST_REG; 776 host->flags |= HOST_REG;
774 PREPARE_WORK(&host->cmd_handler, 777 PREPARE_WORK(&host->cmd_handler,
775 no_dma ? tifm_sd_end_cmd_nodma : tifm_sd_end_cmd, 778 no_dma ? tifm_sd_end_cmd_nodma : tifm_sd_end_cmd);
776 data);
777 spin_unlock_irqrestore(&sock->lock, flags); 779 spin_unlock_irqrestore(&sock->lock, flags);
778 dev_dbg(&sock->dev, "adding host\n"); 780 dev_dbg(&sock->dev, "adding host\n");
779 mmc_add_host(mmc); 781 mmc_add_host(mmc);
@@ -799,8 +801,8 @@ static int tifm_sd_probe(struct tifm_dev *sock)
799 host->dev = sock; 801 host->dev = sock;
800 host->clk_div = 61; 802 host->clk_div = 61;
801 init_waitqueue_head(&host->can_eject); 803 init_waitqueue_head(&host->can_eject);
802 INIT_WORK(&host->cmd_handler, tifm_sd_register_host, host); 804 INIT_WORK(&host->cmd_handler, tifm_sd_register_host);
803 INIT_WORK(&host->abort_handler, tifm_sd_abort, host); 805 INIT_DELAYED_WORK(&host->abort_handler, tifm_sd_abort);
804 806
805 tifm_set_drvdata(sock, mmc); 807 tifm_set_drvdata(sock, mmc);
806 sock->signal_irq = tifm_sd_signal_irq; 808 sock->signal_irq = tifm_sd_signal_irq;
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index ced309b37a8f..7a282672f8e9 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1021,7 +1021,7 @@ static int wbsd_get_ro(struct mmc_host *mmc)
1021 return csr & WBSD_WRPT; 1021 return csr & WBSD_WRPT;
1022} 1022}
1023 1023
1024static struct mmc_host_ops wbsd_ops = { 1024static const struct mmc_host_ops wbsd_ops = {
1025 .request = wbsd_request, 1025 .request = wbsd_request,
1026 .set_ios = wbsd_set_ios, 1026 .set_ios = wbsd_set_ios,
1027 .get_ro = wbsd_get_ro, 1027 .get_ro = wbsd_get_ro,
@@ -1488,7 +1488,7 @@ static void __devinit wbsd_request_dma(struct wbsd_host *host, int dma)
1488 /* 1488 /*
1489 * Translate the address to a physical address. 1489 * Translate the address to a physical address.
1490 */ 1490 */
1491 host->dma_addr = dma_map_single(host->mmc->dev, host->dma_buffer, 1491 host->dma_addr = dma_map_single(mmc_dev(host->mmc), host->dma_buffer,
1492 WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); 1492 WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
1493 1493
1494 /* 1494 /*
@@ -1512,7 +1512,7 @@ kfree:
1512 */ 1512 */
1513 BUG_ON(1); 1513 BUG_ON(1);
1514 1514
1515 dma_unmap_single(host->mmc->dev, host->dma_addr, 1515 dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
1516 WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); 1516 WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
1517 host->dma_addr = (dma_addr_t)NULL; 1517 host->dma_addr = (dma_addr_t)NULL;
1518 1518
@@ -1530,7 +1530,7 @@ err:
1530static void __devexit wbsd_release_dma(struct wbsd_host *host) 1530static void __devexit wbsd_release_dma(struct wbsd_host *host)
1531{ 1531{
1532 if (host->dma_addr) { 1532 if (host->dma_addr) {
1533 dma_unmap_single(host->mmc->dev, host->dma_addr, 1533 dma_unmap_single(mmc_dev(host->mmc), host->dma_addr,
1534 WBSD_DMA_SIZE, DMA_BIDIRECTIONAL); 1534 WBSD_DMA_SIZE, DMA_BIDIRECTIONAL);
1535 } 1535 }
1536 kfree(host->dma_buffer); 1536 kfree(host->dma_buffer);
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-09 09:44:09 -0400