diff options
| author |   Adrian Hunter <adrian.hunter@intel.com> | 2017-11-29 15:41:02 +0200 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2017-12-11 12:44:33 +0100 |
| commit | c3d53d0da69d127f488dc85638e9440220b268e8 (patch) | |
| tree | 10ddb5731e3171b41425204375d6387ce907253c /drivers/mmc/core | |
| parent | mmc: block: Add error-handling comments (diff) | |
| download | linux-dev-c3d53d0da69d127f488dc85638e9440220b268e8.tar.xz linux-dev-c3d53d0da69d127f488dc85638e9440220b268e8.zip | |
mmc: core: Add parameter use_blk_mq
Until mmc has blk-mq support fully implemented and tested, add a parameter
use_blk_mq, set to true if config option MMC_MQ_DEFAULT is selected, which
it is by default.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/mmc/core')
| -rw-r--r-- | drivers/mmc/core/core.c | 7 | ||||
| -rw-r--r-- | drivers/mmc/core/core.h | 2 | ||||
| -rw-r--r-- | drivers/mmc/core/host.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/core/host.h | 4 |
4 files changed, 15 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 7ca6e4866a8b..617802f45386 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -66,6 +66,13 @@ static const unsigned freqs[] = { 400000, 300000, 200000, 100000 }; bool use_spi_crc = 1; module_param(use_spi_crc, bool, 0); +#ifdef CONFIG_MMC_MQ_DEFAULT +bool mmc_use_blk_mq = true; +#else +bool mmc_use_blk_mq = false; +#endif +module_param_named(use_blk_mq, mmc_use_blk_mq, bool, S_IWUSR | S_IRUGO); + static int mmc_schedule_delayed_work(struct delayed_work *work, unsigned long delay) { diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 3e3d21304e5f..136617d2f971 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -35,6 +35,8 @@ struct mmc_bus_ops { int (*reset)(struct mmc_host *); }; +extern bool mmc_use_blk_mq; + void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops); void mmc_detach_bus(struct mmc_host *host); diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 64b03d6eaf18..409a68a96a0a 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -404,6 +404,8 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) host->fixed_drv_type = -EINVAL; + host->use_blk_mq = mmc_use_blk_mq; + return host; } diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index fb689a1065ed..6eaf558e62d6 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -74,6 +74,10 @@ static inline bool mmc_card_hs400es(struct mmc_card *card) return card->host->ios.enhanced_strobe; } +static inline bool mmc_host_use_blk_mq(struct mmc_host *host) +{ + return host->use_blk_mq; +} #endif |