From: Rafael J. Wysocki <[email protected]>

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 <[email protected]>
---
 drivers/mmc/host/tmio_mmc_pio.c |    5 +++++
 1 file changed, 5 insertions(+)

Index: linux/drivers/mmc/host/tmio_mmc_pio.c
===================================================================
--- linux.orig/drivers/mmc/host/tmio_mmc_pio.c
+++ linux/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/spinlock.h>
@@ -955,6 +956,8 @@ int __devinit tmio_mmc_host_probe(struct
 
        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;
@@ -993,6 +996,8 @@ void tmio_mmc_host_remove(struct tmio_mm
                || 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);

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