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mmc: tmio: Avoid boilerplate code in ->runtime_suspend() 

Rather than checking the 'runtime_synced' flag each time the
->runtime_suspend() callback is invoked, let's convert into using
dev_pm_domain_start() during ->probe() and drop the corresponding
boilerplate code.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Ulf Hansson 2019-10-16 15:16:34 +02:00 committed by Rafael J. Wysocki
parent ea71c59669
commit 1b32999e20
2 changed files with 4 additions and 7 deletions
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1
drivers/mmc/host/tmio_mmc.h
View File

@ -163,7 +163,6 @@ struct tmio_mmc_host {
unsigned long last_req_ts;
struct mutex ios_lock; /* protect set_ios() context */
bool native_hotplug;
bool runtime_synced;
bool sdio_irq_enabled;
/* Mandatory callback */

10
drivers/mmc/host/tmio_mmc_core.c
View File

@ -39,6 +39,7 @@
#include <linux/module.h>
#include <linux/pagemap.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/pm_qos.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
@ -1248,10 +1249,12 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host)
/* See if we also get DMA */
tmio_mmc_request_dma(_host, pdata);
dev_pm_domain_start(&pdev->dev);
pm_runtime_get_noresume(&pdev->dev);
pm_runtime_set_active(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
ret = mmc_add_host(mmc);
if (ret)
@ -1333,11 +1336,6 @@ int tmio_mmc_host_runtime_resume(struct device *dev)
{
struct tmio_mmc_host *host = dev_get_drvdata(dev);
if (!host->runtime_synced) {
host->runtime_synced = true;
return 0;
}
tmio_mmc_clk_enable(host);
tmio_mmc_hw_reset(host->mmc);