diff options
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 3fd197962f7..76eef94782f 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -91,6 +91,7 @@ struct mmc_host { #define MMC_CAP_MMC_HIGHSPEED (1 << 2) /* Can do MMC high-speed timing */ #define MMC_CAP_SD_HIGHSPEED (1 << 3) /* Can do SD high-speed timing */ #define MMC_CAP_SDIO_IRQ (1 << 4) /* Can signal pending SDIO IRQs */ +#define MMC_CAP_SPI (1 << 5) /* Talks only SPI protocols */ /* host specific block data */ unsigned int max_seg_size; /* see blk_queue_max_segment_size */ @@ -107,6 +108,14 @@ struct mmc_host { struct mmc_ios ios; /* current io bus settings */ u32 ocr; /* the current OCR setting */ + /* group bitfields together to minimize padding */ + unsigned int use_spi_crc:1; + unsigned int claimed:1; /* host exclusively claimed */ + unsigned int bus_dead:1; /* bus has been released */ +#ifdef CONFIG_MMC_DEBUG + unsigned int removed:1; /* host is being removed */ +#endif + unsigned int mode; /* current card mode of host */ #define MMC_MODE_MMC 0 #define MMC_MODE_SD 1 @@ -114,16 +123,11 @@ struct mmc_host { struct mmc_card *card; /* device attached to this host */ wait_queue_head_t wq; - unsigned int claimed:1; /* host exclusively claimed */ struct delayed_work detect; -#ifdef CONFIG_MMC_DEBUG - unsigned int removed:1; /* host is being removed */ -#endif const struct mmc_bus_ops *bus_ops; /* current bus driver */ unsigned int bus_refs; /* reference counter */ - unsigned int bus_dead:1; /* bus has been released */ unsigned int sdio_irqs; struct task_struct *sdio_irq_thread; @@ -142,6 +146,8 @@ static inline void *mmc_priv(struct mmc_host *host) return (void *)host->private; } +#define mmc_host_is_spi(host) ((host)->caps & MMC_CAP_SPI) + #define mmc_dev(x) ((x)->parent) #define mmc_classdev(x) (&(x)->class_dev) #define mmc_hostname(x) ((x)->class_dev.bus_id) |