From efe6a8ad7fc55b350ce968cae4c757d35e986285 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Tue, 13 Mar 2012 01:02:15 +0100 Subject: [PATCH] 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: Rafael J. Wysocki --- drivers/mmc/host/sh_mmcif.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index f5d8b53be33..a4ad93bf8b4 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -56,6 +56,7 @@ #include #include #include +#include #include #include #include @@ -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); -- 2.39.2