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mmc: core: Move public functions from host.h to private headers

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A significant amount of functions are available through the public mmc
host.h header file. Let's slim down this public mmc interface, as to
prevent users from abusing it, by moving some of the functions to private
mmc host.h header file.

This change concentrates on moving the functions into private mmc headers,
following changes may continue with additional clean-ups.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
This commit is contained in:
Ulf Hansson 2017-01-13 14:14:15 +01:00
parent 4facdde113
commit 5857b29b96
8 changed files with 56 additions and 47 deletions
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1
drivers/mmc/core/block.c
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@ -49,6 +49,7 @@
#include "block.h"
#include "core.h"
#include "card.h"
#include "host.h"
#include "bus.h"
#include "mmc_ops.h"
#include "sd_ops.h"

1
drivers/mmc/core/bus.c
View File

@ -24,6 +24,7 @@
#include "core.h"
#include "card.h"
#include "host.h"
#include "sdio_cis.h"
#include "bus.h"

1
drivers/mmc/core/debugfs.c
View File

@ -21,6 +21,7 @@
#include "core.h"
#include "card.h"
#include "host.h"
#include "mmc_ops.h"
#ifdef CONFIG_FAIL_MMC_REQUEST

49
drivers/mmc/core/host.h
View File

@ -11,7 +11,7 @@
#ifndef _MMC_CORE_HOST_H
#define _MMC_CORE_HOST_H
struct mmc_host;
#include <linux/mmc/host.h>
int mmc_register_host_class(void);
void mmc_unregister_host_class(void);
@ -21,6 +21,53 @@ void mmc_retune_disable(struct mmc_host *host);
void mmc_retune_hold(struct mmc_host *host);
void mmc_retune_release(struct mmc_host *host);
int mmc_retune(struct mmc_host *host);
void mmc_retune_pause(struct mmc_host *host);
void mmc_retune_unpause(struct mmc_host *host);
static inline void mmc_retune_recheck(struct mmc_host *host)
{
if (host->hold_retune <= 1)
host->retune_now = 1;
}
static inline int mmc_host_cmd23(struct mmc_host *host)
{
return host->caps & MMC_CAP_CMD23;
}
static inline int mmc_boot_partition_access(struct mmc_host *host)
{
return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
}
static inline int mmc_host_uhs(struct mmc_host *host)
{
return host->caps &
(MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 |
MMC_CAP_UHS_DDR50);
}
static inline bool mmc_card_hs200(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_MMC_HS200;
}
static inline bool mmc_card_ddr52(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_MMC_DDR52;
}
static inline bool mmc_card_hs400(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_MMC_HS400;
}
static inline bool mmc_card_hs400es(struct mmc_card *card)
{
return card->host->ios.enhanced_strobe;
}
#endif

1
drivers/mmc/core/mmc_test.c
View File

@ -24,6 +24,7 @@
#include "core.h"
#include "card.h"
#include "host.h"
#include "bus.h"
#define RESULT_OK 0

1
drivers/mmc/core/sd.c
View File

@ -23,6 +23,7 @@
#include "core.h"
#include "card.h"
#include "host.h"
#include "bus.h"
#include "mmc_ops.h"
#include "sd.h"

1
drivers/mmc/core/sdio.c
View File

@ -21,6 +21,7 @@
#include "core.h"
#include "card.h"
#include "host.h"
#include "bus.h"
#include "sd.h"
#include "sdio_bus.h"

48
include/linux/mmc/host.h
View File

@ -473,56 +473,20 @@ static inline int mmc_card_wake_sdio_irq(struct mmc_host *host)
return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ;
}
static inline int mmc_host_cmd23(struct mmc_host *host)
{
return host->caps & MMC_CAP_CMD23;
}
static inline int mmc_boot_partition_access(struct mmc_host *host)
{
return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC);
}
static inline int mmc_host_uhs(struct mmc_host *host)
{
return host->caps &
(MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25 |
MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 |
MMC_CAP_UHS_DDR50);
}
/* TODO: Move to private header */
static inline int mmc_card_hs(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_SD_HS ||
card->host->ios.timing == MMC_TIMING_MMC_HS;
}
/* TODO: Move to private header */
static inline int mmc_card_uhs(struct mmc_card *card)
{
return card->host->ios.timing >= MMC_TIMING_UHS_SDR12 &&
card->host->ios.timing <= MMC_TIMING_UHS_DDR50;
}
static inline bool mmc_card_hs200(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_MMC_HS200;
}
static inline bool mmc_card_ddr52(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_MMC_DDR52;
}
static inline bool mmc_card_hs400(struct mmc_card *card)
{
return card->host->ios.timing == MMC_TIMING_MMC_HS400;
}
static inline bool mmc_card_hs400es(struct mmc_card *card)
{
return card->host->ios.enhanced_strobe;
}
void mmc_retune_timer_stop(struct mmc_host *host);
static inline void mmc_retune_needed(struct mmc_host *host)
@ -531,12 +495,6 @@ static inline void mmc_retune_needed(struct mmc_host *host)
host->need_retune = 1;
}
static inline void mmc_retune_recheck(struct mmc_host *host)
{
if (host->hold_retune <= 1)
host->retune_now = 1;
}
static inline bool mmc_can_retune(struct mmc_host *host)
{
return host->can_retune == 1;
@ -544,7 +502,5 @@ static inline bool mmc_can_retune(struct mmc_host *host)
int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error);
int mmc_abort_tuning(struct mmc_host *host, u32 opcode);
void mmc_retune_pause(struct mmc_host *host);
void mmc_retune_unpause(struct mmc_host *host);
#endif /* LINUX_MMC_HOST_H */