diff options
Diffstat (limited to 'include/linux/mmc/host.h')
| -rw-r--r-- | include/linux/mmc/host.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 4a351cb7f20f..ba703384bea0 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -128,6 +128,7 @@ struct mmc_host_ops { int (*get_cd)(struct mmc_host *host); void (*enable_sdio_irq)(struct mmc_host *host, int enable); + /* Mandatory callback when using MMC_CAP2_SDIO_IRQ_NOTHREAD. */ void (*ack_sdio_irq)(struct mmc_host *host); /* optional callback for HC quirks */ @@ -367,6 +368,7 @@ struct mmc_host { #define MMC_CAP2_CQE (1 << 23) /* Has eMMC command queue engine */ #define MMC_CAP2_CQE_DCMD (1 << 24) /* CQE can issue a direct command */ #define MMC_CAP2_AVOID_3_3V (1 << 25) /* Host must negotiate down from 3.3V */ +#define MMC_CAP2_MERGE_CAPABLE (1 << 26) /* Host can merge a segment over the segment size */ int fixed_drv_type; /* fixed driver type for non-removable media */ @@ -396,6 +398,7 @@ struct mmc_host { unsigned int retune_paused:1; /* re-tuning is temporarily disabled */ unsigned int use_blk_mq:1; /* use blk-mq */ unsigned int retune_crc_disable:1; /* don't trigger retune upon crc */ + unsigned int can_dma_map_merge:1; /* merging can be used */ int rescan_disable; /* disable card detection */ int rescan_entered; /* used with nonremovable devices */ @@ -493,6 +496,15 @@ void mmc_command_done(struct mmc_host *host, struct mmc_request *mrq); void mmc_cqe_request_done(struct mmc_host *host, struct mmc_request *mrq); +/* + * May be called from host driver's system/runtime suspend/resume callbacks, + * to know if SDIO IRQs has been claimed. + */ +static inline bool sdio_irq_claimed(struct mmc_host *host) +{ + return host->sdio_irqs > 0; +} + static inline void mmc_signal_sdio_irq(struct mmc_host *host) { host->ops->enable_sdio_irq(host, 0); |