From: Rafael J. Wysocki <r...@sisk.pl>
Make tmio_mmc populate the pm_qos_req member of struct mmc_host, to
let the core know that it should create the pm_latency_limit_ms
host attribute for it, and set the defaul value of that attribute
to 100 ms.
Signed-off-by: Rafael J. Wysocki <r...@sisk.pl>
---
drivers/mmc/host/tmio_mmc_pio.c | 8 ++++++++
1 file changed, 8 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
@@ -918,6 +918,12 @@ int __devinit tmio_mmc_host_probe(struct
if (ret < 0)
goto pm_disable;
+ mmc->pm_qos_req = kzalloc(sizeof(*mmc->pm_qos_req), GFP_KERNEL);
+ if (mmc->pm_qos_req)
+ mmc->pm_qos_val = 100;
+ else
+ dev_err(&pdev->dev, "Not enough memory for PM QoS.\n");
+
/*
* There are 4 different scenarios for the card detection:
* 1) an external gpio irq handles the cd (best for power savings)
@@ -998,6 +1004,8 @@ void tmio_mmc_host_remove(struct tmio_mm
cancel_delayed_work_sync(&host->delayed_reset_work);
tmio_mmc_release_dma(host);
+ kfree(host->mmc->pm_qos_req);
+
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
--
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