diff options
| author | Rafael J. Wysocki <rjw@sisk.pl> | 2012-03-13 01:01:51 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2012-03-13 22:37:21 +0100 |
| commit | c419e611c3c59c0e48405c279e497c4bf1bf2cd2 (patch) | |
| tree | 6be86a3b2796e9e5faae968109e3ed66e7363927 /drivers/mmc | |
| parent | 85dc0b8a4019e38ad4fd0c008f89a5c241805ac2 (diff) | |
tmio_mmc / PM: Use PM QoS latency constraint
Make tmio_mmc call dev_pm_qos_expose_latency_limit() to expose
the PM QoS latency limit to user space and specify the initial
value of it as 100 microseconds.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc_pio.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index abad01b37cf..fc3eb1a7fe2 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -39,6 +39,7 @@ #include <linux/module.h> #include <linux/pagemap.h> #include <linux/platform_device.h> +#include <linux/pm_qos.h> #include <linux/pm_runtime.h> #include <linux/scatterlist.h> #include <linux/workqueue.h> @@ -951,6 +952,8 @@ int __devinit tmio_mmc_host_probe(struct tmio_mmc_host **host, mmc_add_host(mmc); + dev_pm_qos_expose_latency_limit(&pdev->dev, 100); + /* Unmask the IRQs we want to know about */ if (!_host->chan_rx) irq_mask |= TMIO_MASK_READOP; @@ -989,6 +992,8 @@ void tmio_mmc_host_remove(struct tmio_mmc_host *host) || host->mmc->caps & MMC_CAP_NONREMOVABLE) pm_runtime_get_sync(&pdev->dev); + dev_pm_qos_hide_latency_limit(&pdev->dev); + mmc_remove_host(host->mmc); cancel_work_sync(&host->done); cancel_delayed_work_sync(&host->delayed_reset_work); |