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Commit c419e611 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

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: default avatarRafael J. Wysocki <rjw@sisk.pl>
parent 85dc0b8a

drivers/mmc/host/tmio_mmc_pio.c

+5 −0
Original line number Diff line number Diff line
@@ -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);