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MMC core:

Browse source 
- Support for MMC power sequences.
 - SDIO function devicetree subnode parsing.
 - Refactor the hardware reset routines and enable it for SD cards.
 - Various code quality improvements, especially for slot-gpio.
 
 MMC host:
 - dw_mmc: Various fixes and cleanups.
 - dw_mmc: Convert to mmc_send_tuning().
 - moxart: Fix probe logic.
 - sdhci: Various fixes and cleanups
 - sdhci: Asynchronous request handling support.
 - sdhci-pxav3: Various fixes and cleanups.
 - sdhci-tegra: Fixes for T114, T124 and T132.
 - rtsx: Various fixes and cleanups.
 - rtsx: Support for SDIO.
 - sdhi/tmio: Refactor and cleanup of header files.
 - omap_hsmmc: Use slot-gpio and common MMC DT parser.
 - Make all hosts to deal with errors from mmc_of_parse().
 - sunxi: Various fixes and cleanups.
 - sdhci: Support for Fujitsu SDHCI controller f_sdh30.
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Merge tag 'mmc-v3.20-1' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Support for MMC power sequences.
   - SDIO function devicetree subnode parsing.
   - Refactor the hardware reset routines and enable it for SD cards.
   - Various code quality improvements, especially for slot-gpio.

  MMC host:
   - dw_mmc: Various fixes and cleanups.
   - dw_mmc: Convert to mmc_send_tuning().
   - moxart: Fix probe logic.
   - sdhci: Various fixes and cleanups
   - sdhci: Asynchronous request handling support.
   - sdhci-pxav3: Various fixes and cleanups.
   - sdhci-tegra: Fixes for T114, T124 and T132.
   - rtsx: Various fixes and cleanups.
   - rtsx: Support for SDIO.
   - sdhi/tmio: Refactor and cleanup of header files.
   - omap_hsmmc: Use slot-gpio and common MMC DT parser.
   - Make all hosts to deal with errors from mmc_of_parse().
   - sunxi: Various fixes and cleanups.
   - sdhci: Support for Fujitsu SDHCI controller f_sdh30"

* tag 'mmc-v3.20-1' of git://git.linaro.org/people/ulf.hansson/mmc: (117 commits)
  mmc: sdhci-s3c: solve problem with sleeping in atomic context
  mmc: pwrseq: add driver for emmc hardware reset
  mmc: moxart: fix probe logic
  mmc: core: Invoke mmc_pwrseq_post_power_on() prior MMC_POWER_ON state
  mmc: pwrseq_simple: Add optional reference clock support
  mmc: pwrseq: Document optional clock for the simple power sequence
  mmc: pwrseq_simple: Extend to support more pins
  mmc: pwrseq: Document that simple sequence support more than one GPIO
  mmc: Add hardware dependencies for sdhci-pxav3 and sdhci-pxav2
  mmc: sdhci-pxav3: Modify clock settings for the SDR50 and DDR50 modes
  mmc: sdhci-pxav3: Extend binding with SDIO3 conf reg for the Armada 38x
  mmc: sdhci-pxav3: Fix Armada 38x controller's caps according to erratum ERR-7878951
  mmc: sdhci-pxav3: Fix SDR50 and DDR50 capabilities for the Armada 38x flavor
  mmc: sdhci: switch voltage before sdhci_set_ios in runtime resume
  mmc: tegra: Write xfer_mode, CMD regs in together
  mmc: Resolve BKOPS compatability issue
  mmc: sdhci-pxav3: fix setting of pdata->clk_delay_cycles
  mmc: dw_mmc: rockchip: remove incorrect __exit_p()
  mmc: dw_mmc: exynos: remove incorrect __exit_p()
  mmc: Fix menuconfig alignment of MMC_SDHCI_* options
  ...
This commit is contained in:
Linus Torvalds 2015-02-11 10:56:48 -08:00
commit aa7ed01f93
68 changed files with 2163 additions and 1191 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/linux/mmc/card.h
View file

@ -83,7 +83,7 @@ struct mmc_ext_csd {
bool hpi; /* HPI support bit */
unsigned int hpi_cmd; /* cmd used as HPI */
bool bkops; /* background support bit */
bool bkops_en; /* background enable bit */
bool man_bkops_en; /* manual bkops enable bit */
unsigned int data_sector_size; /* 512 bytes or 4KB */
unsigned int data_tag_unit_size; /* DATA TAG UNIT size */
unsigned int boot_ro_lock; /* ro lock support */

1
include/linux/mmc/core.h
View file

@ -182,7 +182,6 @@ extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
extern int mmc_set_blockcount(struct mmc_card *card, unsigned int blockcount,
bool is_rel_write);
extern int mmc_hw_reset(struct mmc_host *host);
extern int mmc_hw_reset_check(struct mmc_host *host);
extern int mmc_can_reset(struct mmc_card *card);
extern void mmc_set_data_timeout(struct mmc_data *, const struct mmc_card *);

6
include/linux/mmc/dw_mmc.h
View file

@ -106,6 +106,11 @@ struct mmc_data;
* @cur_slot, @mrq and @state. These must always be updated
* at the same time while holding @lock.
*
* @irq_lock is an irq-safe spinlock protecting the INTMASK register
* to allow the interrupt handler to modify it directly. Held for only long
* enough to read-modify-write INTMASK and no other locks are grabbed when
* holding this one.
*
* The @mrq field of struct dw_mci_slot is also protected by @lock,
* and must always be written at the same time as the slot is added to
* @queue.
@ -125,6 +130,7 @@ struct mmc_data;
*/
struct dw_mci {
spinlock_t lock;
spinlock_t irq_lock;
void __iomem *regs;
struct scatterlist *sg;

4
include/linux/mmc/host.h
View file

@ -166,7 +166,6 @@ struct mmc_async_req {
* struct mmc_slot - MMC slot functions
*
* @cd_irq: MMC/SD-card slot hotplug detection IRQ or -EINVAL
* @lock: protect the @handler_priv pointer
* @handler_priv: MMC/SD-card slot context
*
* Some MMC/SD host controllers implement slot-functions like card and
@ -176,7 +175,6 @@ struct mmc_async_req {
*/
struct mmc_slot {
int cd_irq;
struct mutex lock;
void *handler_priv;
};
@ -197,6 +195,7 @@ struct mmc_context_info {
};
struct regulator;
struct mmc_pwrseq;
struct mmc_supply {
struct regulator *vmmc; /* Card power supply */
@ -208,6 +207,7 @@ struct mmc_host {
struct device class_dev;
int index;
const struct mmc_host_ops *ops;
struct mmc_pwrseq *pwrseq;
unsigned int f_min;
unsigned int f_max;
unsigned int f_init;

10
include/linux/mmc/mmc.h
View file

@ -53,11 +53,6 @@
#define MMC_SEND_TUNING_BLOCK 19 /* adtc R1 */
#define MMC_SEND_TUNING_BLOCK_HS200 21 /* adtc R1 */
#define MMC_TUNING_BLK_PATTERN_4BIT_SIZE 64
#define MMC_TUNING_BLK_PATTERN_8BIT_SIZE 128
extern const u8 tuning_blk_pattern_4bit[MMC_TUNING_BLK_PATTERN_4BIT_SIZE];
extern const u8 tuning_blk_pattern_8bit[MMC_TUNING_BLK_PATTERN_8BIT_SIZE];
/* class 3 */
#define MMC_WRITE_DAT_UNTIL_STOP 20 /* adtc [31:0] data addr R1 */
@ -432,6 +427,11 @@ struct _mmc_csd {
*/
#define EXT_CSD_BKOPS_LEVEL_2 0x2
/*
* BKOPS modes
*/
#define EXT_CSD_MANUAL_BKOPS_MASK 0x01
/*
* MMC_SWITCH access modes
*/

10
include/linux/mmc/sdhci.h
View file

@ -17,6 +17,11 @@
#include <linux/io.h>
#include <linux/mmc/host.h>
struct sdhci_host_next {
unsigned int sg_count;
s32 cookie;
};
struct sdhci_host {
/* Data set by hardware interface driver */
const char *hw_name; /* Hardware bus name */
@ -106,6 +111,10 @@ struct sdhci_host {
#define SDHCI_QUIRK2_CLEAR_TRANSFERMODE_REG_BEFORE_CMD (1<<10)
/* Capability register bit-63 indicates HS400 support */
#define SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 (1<<11)
/* forced tuned clock */
#define SDHCI_QUIRK2_TUNING_WORK_AROUND (1<<12)
/* disable the block count for single block transactions */
#define SDHCI_QUIRK2_SUPPORT_SINGLE (1<<13)
int irq; /* Device IRQ */
void __iomem *ioaddr; /* Mapped address */
@ -203,6 +212,7 @@ struct sdhci_host {
#define SDHCI_TUNING_MODE_1 0
struct timer_list tuning_timer; /* Timer for tuning */
struct sdhci_host_next next_data;
unsigned long private[0] ____cacheline_aligned;
};
#endif /* LINUX_MMC_SDHCI_H */

15
include/linux/mmc/sh_mobile_sdhi.h
View file

@ -3,20 +3,10 @@
#include <linux/types.h>
struct platform_device;
#define SH_MOBILE_SDHI_IRQ_CARD_DETECT "card_detect"
#define SH_MOBILE_SDHI_IRQ_SDCARD "sdcard"
#define SH_MOBILE_SDHI_IRQ_SDIO "sdio"
/**
* struct sh_mobile_sdhi_ops - SDHI driver callbacks
* @cd_wakeup: trigger a card-detection run
*/
struct sh_mobile_sdhi_ops {
void (*cd_wakeup)(const struct platform_device *pdev);
};
struct sh_mobile_sdhi_info {
int dma_slave_tx;
int dma_slave_rx;
@ -25,11 +15,6 @@ struct sh_mobile_sdhi_info {
unsigned long tmio_caps2;
u32 tmio_ocr_mask; /* available MMC voltages */
unsigned int cd_gpio;
/* callbacks for board specific setup code */
int (*init)(struct platform_device *pdev,
const struct sh_mobile_sdhi_ops *ops);
void (*cleanup)(struct platform_device *pdev);
};
#endif /* LINUX_MMC_SH_MOBILE_SDHI_H */

5
include/linux/mmc/slot-gpio.h
View file

@ -15,12 +15,10 @@ struct mmc_host;
int mmc_gpio_get_ro(struct mmc_host *host);
int mmc_gpio_request_ro(struct mmc_host *host, unsigned int gpio);
void mmc_gpio_free_ro(struct mmc_host *host);
int mmc_gpio_get_cd(struct mmc_host *host);
int mmc_gpio_request_cd(struct mmc_host *host, unsigned int gpio,
unsigned int debounce);
void mmc_gpio_free_cd(struct mmc_host *host);
int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
unsigned int idx, bool override_active_level,
@ -28,7 +26,8 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
unsigned int idx, bool override_active_level,
unsigned int debounce, bool *gpio_invert);
void mmc_gpiod_free_cd(struct mmc_host *host);
void mmc_gpio_set_cd_isr(struct mmc_host *host,
irqreturn_t (*isr)(int irq, void *dev_id));
void mmc_gpiod_request_cd_irq(struct mmc_host *host);
#endif