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

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: Rafael J. Wysocki <[email protected]>
---
 drivers/mmc/host/sh_mmcif.c |    5 +++++
 1 file changed, 5 insertions(+)

Index: linux/drivers/mmc/host/sh_mmcif.c
===================================================================
--- linux.orig/drivers/mmc/host/sh_mmcif.c
+++ linux/drivers/mmc/host/sh_mmcif.c
@@ -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>
@@ -1346,6 +1347,8 @@ static int __devinit sh_mmcif_probe(stru
        if (ret < 0)
                goto clean_up5;
 
+       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);
@@ -1376,6 +1379,8 @@ static int __devexit sh_mmcif_remove(str
        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);
 

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to