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Commit efe6a8ad authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

sh_mmcif / PM: Use PM QoS latency constraint 



Make sh_mmcif 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 c419e611

drivers/mmc/host/sh_mmcif.c

+5 −0
Original line number Diff line number Diff line
@@ -56,6 +56,7 @@ 
#include <linux/mmc/sh_mmcif.h>

#include <linux/pagemap.h>

#include <linux/platform_device.h>

#include <linux/pm_qos.h>

#include <linux/pm_runtime.h>

#include <linux/spinlock.h>

#include <linux/module.h>
@@ -1347,6 +1348,8 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev) 


	mmc_detect_change(host->mmc, 0);



	dev_pm_qos_expose_latency_limit(&pdev->dev, 100);



	dev_info(&pdev->dev, "driver version %s\n", DRIVER_VERSION);

	dev_dbg(&pdev->dev, "chip ver H'%04x\n",

		sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff);
@@ -1374,6 +1377,8 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev) 
	host->dying = true;

	pm_runtime_get_sync(&pdev->dev);



	dev_pm_qos_hide_latency_limit(&pdev->dev);



	mmc_remove_host(host->mmc);

	sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);