Lines Matching full:card
17 #include <linux/mmc/card.h>
22 #include "card.h"
72 void mmc_decode_cid(struct mmc_card *card) in mmc_decode_cid() argument
74 u32 *resp = card->raw_cid; in mmc_decode_cid()
80 card->cid.manfid = UNSTUFF_BITS(resp, 120, 8); in mmc_decode_cid()
81 card->cid.oemid = UNSTUFF_BITS(resp, 104, 16); in mmc_decode_cid()
82 card->cid.prod_name[0] = UNSTUFF_BITS(resp, 96, 8); in mmc_decode_cid()
83 card->cid.prod_name[1] = UNSTUFF_BITS(resp, 88, 8); in mmc_decode_cid()
84 card->cid.prod_name[2] = UNSTUFF_BITS(resp, 80, 8); in mmc_decode_cid()
85 card->cid.prod_name[3] = UNSTUFF_BITS(resp, 72, 8); in mmc_decode_cid()
86 card->cid.prod_name[4] = UNSTUFF_BITS(resp, 64, 8); in mmc_decode_cid()
87 card->cid.hwrev = UNSTUFF_BITS(resp, 60, 4); in mmc_decode_cid()
88 card->cid.fwrev = UNSTUFF_BITS(resp, 56, 4); in mmc_decode_cid()
89 card->cid.serial = UNSTUFF_BITS(resp, 24, 32); in mmc_decode_cid()
90 card->cid.year = UNSTUFF_BITS(resp, 12, 8); in mmc_decode_cid()
91 card->cid.month = UNSTUFF_BITS(resp, 8, 4); in mmc_decode_cid()
93 card->cid.year += 2000; /* SD cards year offset */ in mmc_decode_cid()
97 * Given a 128-bit response, decode to our card CSD structure.
99 static int mmc_decode_csd(struct mmc_card *card) in mmc_decode_csd() argument
101 struct mmc_csd *csd = &card->csd; in mmc_decode_csd()
103 u32 *resp = card->raw_csd; in mmc_decode_csd()
141 * This is a block-addressed SDHC or SDXC card. Most in mmc_decode_csd()
146 mmc_card_set_blockaddr(card); in mmc_decode_csd()
159 mmc_card_set_ext_capacity(card); in mmc_decode_csd()
175 mmc_hostname(card->host), csd_struct); in mmc_decode_csd()
179 card->erase_size = csd->erase_size; in mmc_decode_csd()
185 * Given a 64-bit response, decode to our card SCR structure.
187 static int mmc_decode_scr(struct mmc_card *card) in mmc_decode_scr() argument
189 struct sd_scr *scr = &card->scr; in mmc_decode_scr()
193 resp[3] = card->raw_scr[1]; in mmc_decode_scr()
194 resp[2] = card->raw_scr[0]; in mmc_decode_scr()
199 mmc_hostname(card->host), scr_struct); in mmc_decode_scr()
215 card->erased_byte = 0xFF; in mmc_decode_scr()
217 card->erased_byte = 0x0; in mmc_decode_scr()
222 /* SD Spec says: any SD Card shall set at least bits 0 and 2 */ in mmc_decode_scr()
225 pr_err("%s: invalid bus width\n", mmc_hostname(card->host)); in mmc_decode_scr()
235 static int mmc_read_ssr(struct mmc_card *card) in mmc_read_ssr() argument
243 if (!(card->csd.cmdclass & CCC_APP_SPEC)) { in mmc_read_ssr()
244 pr_warn("%s: card lacks mandatory SD Status function\n", in mmc_read_ssr()
245 mmc_hostname(card->host)); in mmc_read_ssr()
249 raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL); in mmc_read_ssr()
253 if (mmc_app_sd_status(card, raw_ssr)) { in mmc_read_ssr()
255 mmc_hostname(card->host)); in mmc_read_ssr()
261 card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]); in mmc_read_ssr()
269 au = UNSTUFF_BITS(card->raw_ssr, 428 - 384, 4); in mmc_read_ssr()
271 if (au <= 9 || card->scr.sda_spec3) { in mmc_read_ssr()
272 card->ssr.au = sd_au_size[au]; in mmc_read_ssr()
273 es = UNSTUFF_BITS(card->raw_ssr, 408 - 384, 16); in mmc_read_ssr()
274 et = UNSTUFF_BITS(card->raw_ssr, 402 - 384, 6); in mmc_read_ssr()
276 eo = UNSTUFF_BITS(card->raw_ssr, 400 - 384, 2); in mmc_read_ssr()
277 card->ssr.erase_timeout = (et * 1000) / es; in mmc_read_ssr()
278 card->ssr.erase_offset = eo * 1000; in mmc_read_ssr()
282 mmc_hostname(card->host)); in mmc_read_ssr()
289 resp[3] = card->raw_ssr[6]; in mmc_read_ssr()
291 card->erase_arg = (card->scr.sda_specx && discard_support) ? in mmc_read_ssr()
300 static int mmc_read_switch(struct mmc_card *card) in mmc_read_switch() argument
305 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_read_switch()
308 if (!(card->csd.cmdclass & CCC_SWITCH)) { in mmc_read_switch()
309 pr_warn("%s: card lacks mandatory switch function, performance might suffer\n", in mmc_read_switch()
310 mmc_hostname(card->host)); in mmc_read_switch()
319 * Find out the card's support bits with a mode 0 operation. in mmc_read_switch()
323 err = mmc_sd_switch(card, 0, 0, 0, status); in mmc_read_switch()
326 * If the host or the card can't do the switch, in mmc_read_switch()
333 mmc_hostname(card->host)); in mmc_read_switch()
340 card->sw_caps.hs_max_dtr = HIGH_SPEED_MAX_DTR; in mmc_read_switch()
342 if (card->scr.sda_spec3) { in mmc_read_switch()
343 card->sw_caps.sd3_bus_mode = status[13]; in mmc_read_switch()
344 /* Driver Strengths supported by the card */ in mmc_read_switch()
345 card->sw_caps.sd3_drv_type = status[9]; in mmc_read_switch()
346 card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8; in mmc_read_switch()
356 * Test if the card supports high-speed mode and, if so, switch to it.
358 int mmc_sd_switch_hs(struct mmc_card *card) in mmc_sd_switch_hs() argument
363 if (card->scr.sda_vsn < SCR_SPEC_VER_1) in mmc_sd_switch_hs()
366 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_switch_hs()
369 if (!(card->host->caps & MMC_CAP_SD_HIGHSPEED)) in mmc_sd_switch_hs()
372 if (card->sw_caps.hs_max_dtr == 0) in mmc_sd_switch_hs()
379 err = mmc_sd_switch(card, 1, 0, HIGH_SPEED_BUS_SPEED, status); in mmc_sd_switch_hs()
384 pr_warn("%s: Problem switching card into high-speed mode!\n", in mmc_sd_switch_hs()
385 mmc_hostname(card->host)); in mmc_sd_switch_hs()
397 static int sd_select_driver_type(struct mmc_card *card, u8 *status) in sd_select_driver_type() argument
402 card->drive_strength = 0; in sd_select_driver_type()
404 card_drv_type = card->sw_caps.sd3_drv_type | SD_DRIVER_TYPE_B; in sd_select_driver_type()
406 drive_strength = mmc_select_drive_strength(card, in sd_select_driver_type()
407 card->sw_caps.uhs_max_dtr, in sd_select_driver_type()
411 err = mmc_sd_switch(card, 1, 2, drive_strength, status); in sd_select_driver_type()
416 mmc_hostname(card->host)); in sd_select_driver_type()
419 card->drive_strength = drive_strength; in sd_select_driver_type()
423 mmc_set_driver_type(card->host, drv_type); in sd_select_driver_type()
428 static void sd_update_bus_speed_mode(struct mmc_card *card) in sd_update_bus_speed_mode() argument
434 if (!mmc_host_uhs(card->host)) { in sd_update_bus_speed_mode()
435 card->sd_bus_speed = 0; in sd_update_bus_speed_mode()
439 if ((card->host->caps & MMC_CAP_UHS_SDR104) && in sd_update_bus_speed_mode()
440 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR104)) { in sd_update_bus_speed_mode()
441 card->sd_bus_speed = UHS_SDR104_BUS_SPEED; in sd_update_bus_speed_mode()
442 } else if ((card->host->caps & MMC_CAP_UHS_DDR50) && in sd_update_bus_speed_mode()
443 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_DDR50)) { in sd_update_bus_speed_mode()
444 card->sd_bus_speed = UHS_DDR50_BUS_SPEED; in sd_update_bus_speed_mode()
445 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
446 MMC_CAP_UHS_SDR50)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
448 card->sd_bus_speed = UHS_SDR50_BUS_SPEED; in sd_update_bus_speed_mode()
449 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
451 (card->sw_caps.sd3_bus_mode & SD_MODE_UHS_SDR25)) { in sd_update_bus_speed_mode()
452 card->sd_bus_speed = UHS_SDR25_BUS_SPEED; in sd_update_bus_speed_mode()
453 } else if ((card->host->caps & (MMC_CAP_UHS_SDR104 | in sd_update_bus_speed_mode()
455 MMC_CAP_UHS_SDR12)) && (card->sw_caps.sd3_bus_mode & in sd_update_bus_speed_mode()
457 card->sd_bus_speed = UHS_SDR12_BUS_SPEED; in sd_update_bus_speed_mode()
461 static int sd_set_bus_speed_mode(struct mmc_card *card, u8 *status) in sd_set_bus_speed_mode() argument
466 switch (card->sd_bus_speed) { in sd_set_bus_speed_mode()
469 card->sw_caps.uhs_max_dtr = UHS_SDR104_MAX_DTR; in sd_set_bus_speed_mode()
473 card->sw_caps.uhs_max_dtr = UHS_DDR50_MAX_DTR; in sd_set_bus_speed_mode()
477 card->sw_caps.uhs_max_dtr = UHS_SDR50_MAX_DTR; in sd_set_bus_speed_mode()
481 card->sw_caps.uhs_max_dtr = UHS_SDR25_MAX_DTR; in sd_set_bus_speed_mode()
485 card->sw_caps.uhs_max_dtr = UHS_SDR12_MAX_DTR; in sd_set_bus_speed_mode()
491 err = mmc_sd_switch(card, 1, 0, card->sd_bus_speed, status); in sd_set_bus_speed_mode()
495 if ((status[16] & 0xF) != card->sd_bus_speed) in sd_set_bus_speed_mode()
497 mmc_hostname(card->host)); in sd_set_bus_speed_mode()
499 mmc_set_timing(card->host, timing); in sd_set_bus_speed_mode()
500 mmc_set_clock(card->host, card->sw_caps.uhs_max_dtr); in sd_set_bus_speed_mode()
531 static int sd_set_current_limit(struct mmc_card *card, u8 *status) in sd_set_current_limit() argument
542 if ((card->sd_bus_speed != UHS_SDR50_BUS_SPEED) && in sd_set_current_limit()
543 (card->sd_bus_speed != UHS_SDR104_BUS_SPEED) && in sd_set_current_limit()
544 (card->sd_bus_speed != UHS_DDR50_BUS_SPEED)) in sd_set_current_limit()
551 max_current = sd_get_host_max_current(card->host); in sd_set_current_limit()
555 * higher than the card's maximum current, the card will be using its in sd_set_current_limit()
556 * maximum current, e.g. if the card's maximum current is 300ma, and in sd_set_current_limit()
557 * when we set current limit to 200ma, the card will draw 200ma, and in sd_set_current_limit()
558 * when we set current limit to 400/600/800ma, the card will draw its in sd_set_current_limit()
562 * not supported by the card, the card can rightfully error out the in sd_set_current_limit()
564 * in a 300mA card being limited to 200mA even though the host in sd_set_current_limit()
569 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800) in sd_set_current_limit()
572 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600) in sd_set_current_limit()
575 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400) in sd_set_current_limit()
578 card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200) in sd_set_current_limit()
582 err = mmc_sd_switch(card, 1, 3, current_limit, status); in sd_set_current_limit()
588 mmc_hostname(card->host)); in sd_set_current_limit()
598 static int mmc_sd_init_uhs_card(struct mmc_card *card) in mmc_sd_init_uhs_card() argument
603 if (!(card->csd.cmdclass & CCC_SWITCH)) in mmc_sd_init_uhs_card()
611 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
615 mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); in mmc_sd_init_uhs_card()
619 * and card capability. in mmc_sd_init_uhs_card()
621 sd_update_bus_speed_mode(card); in mmc_sd_init_uhs_card()
623 /* Set the driver strength for the card */ in mmc_sd_init_uhs_card()
624 err = sd_select_driver_type(card, status); in mmc_sd_init_uhs_card()
628 /* Set current limit for the card */ in mmc_sd_init_uhs_card()
629 err = sd_set_current_limit(card, status); in mmc_sd_init_uhs_card()
633 /* Set bus speed mode of the card */ in mmc_sd_init_uhs_card()
634 err = sd_set_bus_speed_mode(card, status); in mmc_sd_init_uhs_card()
642 if (!mmc_host_is_spi(card->host) && in mmc_sd_init_uhs_card()
643 (card->host->ios.timing == MMC_TIMING_UHS_SDR50 || in mmc_sd_init_uhs_card()
644 card->host->ios.timing == MMC_TIMING_UHS_DDR50 || in mmc_sd_init_uhs_card()
645 card->host->ios.timing == MMC_TIMING_UHS_SDR104)) { in mmc_sd_init_uhs_card()
646 err = mmc_execute_tuning(card); in mmc_sd_init_uhs_card()
655 if (err && card->host->ios.timing == MMC_TIMING_UHS_DDR50) { in mmc_sd_init_uhs_card()
657 mmc_hostname(card->host)); in mmc_sd_init_uhs_card()
668 MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
669 card->raw_cid[2], card->raw_cid[3]);
670 MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
671 card->raw_csd[2], card->raw_csd[3]);
672 MMC_DEV_ATTR(scr, "%08x%08x\n", card->raw_scr[0], card->raw_scr[1]);
675 card->raw_ssr[0], card->raw_ssr[1], card->raw_ssr[2],
676 card->raw_ssr[3], card->raw_ssr[4], card->raw_ssr[5],
677 card->raw_ssr[6], card->raw_ssr[7], card->raw_ssr[8],
678 card->raw_ssr[9], card->raw_ssr[10], card->raw_ssr[11],
679 card->raw_ssr[12], card->raw_ssr[13], card->raw_ssr[14],
680 card->raw_ssr[15]);
681 MMC_DEV_ATTR(date, "%02d/%04d\n", card->cid.month, card->cid.year);
682 MMC_DEV_ATTR(erase_size, "%u\n", card->erase_size << 9);
683 MMC_DEV_ATTR(preferred_erase_size, "%u\n", card->pref_erase << 9);
684 MMC_DEV_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
685 MMC_DEV_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
686 MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
687 MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
688 MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
689 MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
690 MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
691 MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
698 struct mmc_card *card = mmc_dev_to_card(dev); in mmc_dsr_show() local
699 struct mmc_host *host = card->host; in mmc_dsr_show()
701 if (card->csd.dsr_imp && host->dsr_req) in mmc_dsr_show()
710 MMC_DEV_ATTR(vendor, "0x%04x\n", card->cis.vendor);
711 MMC_DEV_ATTR(device, "0x%04x\n", card->cis.device);
712 MMC_DEV_ATTR(revision, "%u.%u\n", card->major_rev, card->minor_rev);
717 struct mmc_card *card = mmc_dev_to_card(dev); \
719 if (num > card->num_info) \
721 if (!card->info[num-1][0]) \
723 return sprintf(buf, "%s\n", card->info[num-1]); \
763 struct mmc_card *card = mmc_dev_to_card(dev); in sd_std_is_visible() local
773 ) && card->type != MMC_TYPE_SD_COMBO) in sd_std_is_visible()
790 * Fetch CID from card.
815 * compliant card and we should set bit 30 in mmc_sd_get_cid()
824 * If the host supports one of UHS-I modes, request the card in mmc_sd_get_cid()
825 * to switch to 1.8V signaling level. If the card has failed in mmc_sd_get_cid()
863 int mmc_sd_get_csd(struct mmc_host *host, struct mmc_card *card) in mmc_sd_get_csd() argument
868 * Fetch CSD from card. in mmc_sd_get_csd()
870 err = mmc_send_csd(card, card->raw_csd); in mmc_sd_get_csd()
874 err = mmc_decode_csd(card); in mmc_sd_get_csd()
887 * E.g. because they only have micro-SD card slot. For those systems in mmc_sd_get_ro()
888 * assume that the SD card is always read-write. in mmc_sd_get_ro()
901 int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, in mmc_sd_setup_card() argument
908 * Fetch SCR from card. in mmc_sd_setup_card()
910 err = mmc_app_send_scr(card); in mmc_sd_setup_card()
914 err = mmc_decode_scr(card); in mmc_sd_setup_card()
921 err = mmc_read_ssr(card); in mmc_sd_setup_card()
926 mmc_init_erase(card); in mmc_sd_setup_card()
929 * Fetch switch information from card. in mmc_sd_setup_card()
931 err = mmc_read_switch(card); in mmc_sd_setup_card()
939 * card registers because some SDHC cards are not able in mmc_sd_setup_card()
958 mmc_card_set_readonly(card); in mmc_sd_setup_card()
965 unsigned mmc_sd_get_max_clock(struct mmc_card *card) in mmc_sd_get_max_clock() argument
969 if (mmc_card_hs(card)) { in mmc_sd_get_max_clock()
970 if (max_dtr > card->sw_caps.hs_max_dtr) in mmc_sd_get_max_clock()
971 max_dtr = card->sw_caps.hs_max_dtr; in mmc_sd_get_max_clock()
972 } else if (max_dtr > card->csd.max_dtr) { in mmc_sd_get_max_clock()
973 max_dtr = card->csd.max_dtr; in mmc_sd_get_max_clock()
979 static bool mmc_sd_card_using_v18(struct mmc_card *card) in mmc_sd_card_using_v18() argument
983 * 2 to 4 are zero if the card is initialized at 3.3V signal level. Thus in mmc_sd_card_using_v18()
984 * they can be used to determine if the card has already switched to in mmc_sd_card_using_v18()
987 return card->sw_caps.sd3_bus_mode & in mmc_sd_card_using_v18()
992 * Handle the detection and initialisation of a card.
994 * In the case of a resume, "oldcard" will contain the card
1000 struct mmc_card *card; in mmc_sd_init_card() local
1014 pr_debug("%s: Perhaps the card was replaced\n", in mmc_sd_init_card()
1019 card = oldcard; in mmc_sd_init_card()
1022 * Allocate card structure. in mmc_sd_init_card()
1024 card = mmc_alloc_card(host, &sd_type); in mmc_sd_init_card()
1025 if (IS_ERR(card)) in mmc_sd_init_card()
1026 return PTR_ERR(card); in mmc_sd_init_card()
1028 card->ocr = ocr; in mmc_sd_init_card()
1029 card->type = MMC_TYPE_SD; in mmc_sd_init_card()
1030 memcpy(card->raw_cid, cid, sizeof(card->raw_cid)); in mmc_sd_init_card()
1037 host->ops->init_card(host, card); in mmc_sd_init_card()
1040 * For native busses: get card RCA and quit open drain mode. in mmc_sd_init_card()
1043 err = mmc_send_relative_addr(host, &card->rca); in mmc_sd_init_card()
1049 err = mmc_sd_get_csd(host, card); in mmc_sd_init_card()
1053 mmc_decode_cid(card); in mmc_sd_init_card()
1060 if (card->csd.dsr_imp && host->dsr_req) in mmc_sd_init_card()
1064 * Select card, as all following commands rely on that. in mmc_sd_init_card()
1067 err = mmc_select_card(card); in mmc_sd_init_card()
1072 err = mmc_sd_setup_card(host, card, oldcard != NULL); in mmc_sd_init_card()
1077 * If the card has not been power cycled, it may still be using 1.8V in mmc_sd_init_card()
1082 mmc_sd_card_using_v18(card) && in mmc_sd_init_card()
1089 err = mmc_read_switch(card); in mmc_sd_init_card()
1093 if (mmc_sd_card_using_v18(card)) { in mmc_sd_init_card()
1095 mmc_sd_init_uhs_card(card)) { in mmc_sd_init_card()
1099 mmc_remove_card(card); in mmc_sd_init_card()
1108 err = mmc_sd_init_uhs_card(card); in mmc_sd_init_card()
1115 err = mmc_sd_switch_hs(card); in mmc_sd_init_card()
1117 mmc_set_timing(card->host, MMC_TIMING_SD_HS); in mmc_sd_init_card()
1124 mmc_set_clock(host, mmc_sd_get_max_clock(card)); in mmc_sd_init_card()
1130 (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { in mmc_sd_init_card()
1131 err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); in mmc_sd_init_card()
1140 err = host->cqe_ops->cqe_enable(host, card); in mmc_sd_init_card()
1157 host->card = card; in mmc_sd_init_card()
1162 mmc_remove_card(card); in mmc_sd_init_card()
1168 * Host is being removed. Free up the current card.
1172 mmc_remove_card(host->card); in mmc_sd_remove()
1173 host->card = NULL; in mmc_sd_remove()
1177 * Card detection - card is alive.
1181 return mmc_send_status(host->card, NULL); in mmc_sd_alive()
1185 * Card detection callback from host.
1191 mmc_get_card(host->card, NULL); in mmc_sd_detect()
1194 * Just check if our card has been removed. in mmc_sd_detect()
1198 mmc_put_card(host->card, NULL); in mmc_sd_detect()
1216 if (mmc_card_suspended(host->card)) in _mmc_sd_suspend()
1224 mmc_card_set_suspended(host->card); in _mmc_sd_suspend()
1241 pm_runtime_disable(&host->card->dev); in mmc_sd_suspend()
1242 pm_runtime_set_suspended(&host->card->dev); in mmc_sd_suspend()
1249 * This function tries to determine if the same card is still present
1258 if (!mmc_card_suspended(host->card)) in _mmc_sd_resume()
1261 mmc_power_up(host, host->card->ocr); in _mmc_sd_resume()
1262 err = mmc_sd_init_card(host, host->card->ocr, host->card); in _mmc_sd_resume()
1263 mmc_card_clr_suspended(host->card); in _mmc_sd_resume()
1275 pm_runtime_enable(&host->card->dev); in mmc_sd_resume()
1314 mmc_power_cycle(host, host->card->ocr); in mmc_sd_hw_reset()
1315 return mmc_sd_init_card(host, host->card->ocr, host->card); in mmc_sd_hw_reset()
1331 * Starting point for SD card init.
1368 * Can we support the voltage(s) of the card(s)? in mmc_attach_sd()
1376 * Detect and init the card. in mmc_attach_sd()
1383 err = mmc_add_card(host->card); in mmc_attach_sd()
1391 mmc_remove_card(host->card); in mmc_attach_sd()
1392 host->card = NULL; in mmc_attach_sd()
1397 pr_err("%s: error %d whilst initialising SD card\n", in mmc_attach_sd()