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225 lines
6.1 KiB
225 lines
6.1 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Private header for the mmc subsystem |
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* |
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* Copyright (C) 2016 Linaro Ltd |
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* |
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* Author: Ulf Hansson <[email protected]> |
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*/ |
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#ifndef _MMC_CORE_CARD_H |
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#define _MMC_CORE_CARD_H |
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#include <linux/mmc/card.h> |
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#define mmc_card_name(c) ((c)->cid.prod_name) |
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#define mmc_card_id(c) (dev_name(&(c)->dev)) |
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#define mmc_dev_to_card(d) container_of(d, struct mmc_card, dev) |
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/* Card states */ |
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#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */ |
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#define MMC_STATE_READONLY (1<<1) /* card is read-only */ |
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#define MMC_STATE_BLOCKADDR (1<<2) /* card uses block-addressing */ |
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#define MMC_CARD_SDXC (1<<3) /* card is SDXC */ |
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#define MMC_CARD_REMOVED (1<<4) /* card has been removed */ |
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#define MMC_STATE_SUSPENDED (1<<5) /* card is suspended */ |
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#define mmc_card_present(c) ((c)->state & MMC_STATE_PRESENT) |
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#define mmc_card_readonly(c) ((c)->state & MMC_STATE_READONLY) |
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#define mmc_card_blockaddr(c) ((c)->state & MMC_STATE_BLOCKADDR) |
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#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) |
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#define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) |
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#define mmc_card_suspended(c) ((c)->state & MMC_STATE_SUSPENDED) |
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#define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) |
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#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) |
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#define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR) |
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#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) |
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#define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) |
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#define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED) |
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#define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED) |
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/* |
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* The world is not perfect and supplies us with broken mmc/sdio devices. |
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* For at least some of these bugs we need a work-around. |
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*/ |
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struct mmc_fixup { |
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/* CID-specific fields. */ |
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const char *name; |
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/* Valid revision range */ |
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u64 rev_start, rev_end; |
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unsigned int manfid; |
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unsigned short oemid; |
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/* SDIO-specific fields. You can use SDIO_ANY_ID here of course */ |
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u16 cis_vendor, cis_device; |
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/* for MMC cards */ |
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unsigned int ext_csd_rev; |
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void (*vendor_fixup)(struct mmc_card *card, int data); |
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int data; |
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}; |
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#define CID_MANFID_ANY (-1u) |
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#define CID_OEMID_ANY ((unsigned short) -1) |
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#define CID_NAME_ANY (NULL) |
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#define EXT_CSD_REV_ANY (-1u) |
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#define CID_MANFID_SANDISK 0x2 |
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#define CID_MANFID_ATP 0x9 |
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#define CID_MANFID_TOSHIBA 0x11 |
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#define CID_MANFID_MICRON 0x13 |
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#define CID_MANFID_SAMSUNG 0x15 |
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#define CID_MANFID_APACER 0x27 |
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#define CID_MANFID_KINGSTON 0x70 |
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#define CID_MANFID_HYNIX 0x90 |
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#define CID_MANFID_NUMONYX 0xFE |
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#define END_FIXUP { NULL } |
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#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end, \ |
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_cis_vendor, _cis_device, \ |
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_fixup, _data, _ext_csd_rev) \ |
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{ \ |
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.name = (_name), \ |
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.manfid = (_manfid), \ |
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.oemid = (_oemid), \ |
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.rev_start = (_rev_start), \ |
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.rev_end = (_rev_end), \ |
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.cis_vendor = (_cis_vendor), \ |
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.cis_device = (_cis_device), \ |
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.vendor_fixup = (_fixup), \ |
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.data = (_data), \ |
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.ext_csd_rev = (_ext_csd_rev), \ |
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} |
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#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end, \ |
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_fixup, _data, _ext_csd_rev) \ |
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_FIXUP_EXT(_name, _manfid, \ |
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_oemid, _rev_start, _rev_end, \ |
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SDIO_ANY_ID, SDIO_ANY_ID, \ |
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_fixup, _data, _ext_csd_rev) \ |
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#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \ |
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MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \ |
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EXT_CSD_REV_ANY) |
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#define MMC_FIXUP_EXT_CSD_REV(_name, _manfid, _oemid, _fixup, _data, \ |
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_ext_csd_rev) \ |
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MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data, \ |
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_ext_csd_rev) |
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#define SDIO_FIXUP(_vendor, _device, _fixup, _data) \ |
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_FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY, \ |
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CID_OEMID_ANY, 0, -1ull, \ |
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_vendor, _device, \ |
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_fixup, _data, EXT_CSD_REV_ANY) \ |
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#define cid_rev(hwrev, fwrev, year, month) \ |
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(((u64) hwrev) << 40 | \ |
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((u64) fwrev) << 32 | \ |
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((u64) year) << 16 | \ |
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((u64) month)) |
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#define cid_rev_card(card) \ |
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cid_rev(card->cid.hwrev, \ |
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card->cid.fwrev, \ |
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card->cid.year, \ |
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card->cid.month) |
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/* |
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* Unconditionally quirk add/remove. |
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*/ |
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static inline void __maybe_unused add_quirk(struct mmc_card *card, int data) |
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{ |
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card->quirks |= data; |
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} |
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static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) |
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{ |
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card->quirks &= ~data; |
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} |
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static inline void __maybe_unused add_limit_rate_quirk(struct mmc_card *card, |
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int data) |
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{ |
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card->quirk_max_rate = data; |
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} |
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/* |
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* Quirk add/remove for MMC products. |
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*/ |
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static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data) |
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{ |
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if (mmc_card_mmc(card)) |
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card->quirks |= data; |
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} |
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static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card, |
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int data) |
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{ |
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if (mmc_card_mmc(card)) |
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card->quirks &= ~data; |
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} |
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/* |
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* Quirk add/remove for SD products. |
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*/ |
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static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data) |
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{ |
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if (mmc_card_sd(card)) |
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card->quirks |= data; |
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} |
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static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card, |
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int data) |
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{ |
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if (mmc_card_sd(card)) |
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card->quirks &= ~data; |
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} |
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static inline int mmc_card_lenient_fn0(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_LENIENT_FN0; |
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} |
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static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; |
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} |
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static inline int mmc_card_disable_cd(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_DISABLE_CD; |
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} |
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static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF; |
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} |
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static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512; |
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} |
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static inline int mmc_card_long_read_time(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_LONG_READ_TIME; |
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} |
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static inline int mmc_card_broken_irq_polling(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING; |
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} |
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static inline int mmc_card_broken_hpi(const struct mmc_card *c) |
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{ |
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return c->quirks & MMC_QUIRK_BROKEN_HPI; |
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} |
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#endif
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