diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/core/core.c | 6 | ||||
-rw-r--r-- | drivers/mmc/core/host.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index b503249950df..f9d928cbc214 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -183,6 +183,7 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) pr_debug("%s: %d bytes transferred: %d\n", mmc_hostname(host), mrq->data->bytes_xfered, mrq->data->error); +#ifdef CONFIG_BLOCK if (mrq->lat_hist_enabled) { ktime_t completion; u_int64_t delta_us; @@ -194,6 +195,7 @@ void mmc_request_done(struct mmc_host *host, struct mmc_request *mrq) (mrq->data->flags & MMC_DATA_READ), delta_us); } +#endif trace_mmc_blk_rw_end(cmd->opcode, cmd->arg, mrq->data); } @@ -638,11 +640,13 @@ struct mmc_async_req *mmc_start_req(struct mmc_host *host, } if (!err && areq) { +#ifdef CONFIG_BLOCK if (host->latency_hist_enabled) { areq->mrq->io_start = ktime_get(); areq->mrq->lat_hist_enabled = 1; } else areq->mrq->lat_hist_enabled = 0; +#endif trace_mmc_blk_rw_start(areq->mrq->cmd->opcode, areq->mrq->cmd->arg, areq->mrq->data); @@ -2923,6 +2927,7 @@ static void __exit mmc_exit(void) destroy_workqueue(workqueue); } +#ifdef CONFIG_BLOCK static ssize_t latency_hist_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -2970,6 +2975,7 @@ mmc_latency_hist_sysfs_exit(struct mmc_host *host) { device_remove_file(&host->class_dev, &dev_attr_latency_hist); } +#endif subsys_initcall(mmc_init); module_exit(mmc_exit); diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 17068839c74b..443fdfc22d8a 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -392,7 +392,9 @@ int mmc_add_host(struct mmc_host *host) mmc_add_host_debugfs(host); #endif +#ifdef CONFIG_BLOCK mmc_latency_hist_sysfs_init(host); +#endif mmc_start_host(host); if (!(host->pm_flags & MMC_PM_IGNORE_PM_NOTIFY)) @@ -422,7 +424,9 @@ void mmc_remove_host(struct mmc_host *host) mmc_remove_host_debugfs(host); #endif +#ifdef CONFIG_BLOCK mmc_latency_hist_sysfs_exit(host); +#endif device_del(&host->class_dev); |