summaryrefslogtreecommitdiff
path: root/drivers/mmc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/core.c6
-rw-r--r--drivers/mmc/core/host.c4
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);