From: Rafael J. Wysocki <rjw@xxxxxxx> 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 <rjw@xxxxxxx> --- 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); -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html