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mmc: sdhci-pci: Add runtime suspend/resume callbacks

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Add runtime suspend/resume callbacks to match suspend/resume callbacks.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Ludovic Desroches <ludovic.desroches@microchip.com>
This commit is contained in:
Adrian Hunter 2017-03-20 19:50:52 +02:00 committed by Ulf Hansson
parent 30cf2803b2
commit 966d696a62
2 changed files with 62 additions and 40 deletions
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98
drivers/mmc/host/sdhci-pci-core.c
View File

@ -119,6 +119,56 @@ int sdhci_pci_resume_host(struct sdhci_pci_chip *chip)
}
#endif
#ifdef CONFIG_PM
static int sdhci_pci_runtime_suspend_host(struct sdhci_pci_chip *chip)
{
struct sdhci_pci_slot *slot;
struct sdhci_host *host;
int i, ret;
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
host = slot->host;
ret = sdhci_runtime_suspend_host(host);
if (ret)
goto err_pci_runtime_suspend;
if (chip->rpm_retune &&
host->tuning_mode != SDHCI_TUNING_MODE_3)
mmc_retune_needed(host->mmc);
}
return 0;
err_pci_runtime_suspend:
while (--i >= 0)
sdhci_runtime_resume_host(chip->slots[i]->host);
return ret;
}
static int sdhci_pci_runtime_resume_host(struct sdhci_pci_chip *chip)
{
struct sdhci_pci_slot *slot;
int i, ret;
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
ret = sdhci_runtime_resume_host(slot->host);
if (ret)
return ret;
}
return 0;
}
#endif
/*****************************************************************************\
* *
* Hardware specific quirk handling *
@ -1796,61 +1846,29 @@ static int sdhci_pci_resume(struct device *dev)
static int sdhci_pci_runtime_suspend(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
struct sdhci_host *host;
int i, ret;
struct sdhci_pci_chip *chip = pci_get_drvdata(pdev);
chip = pci_get_drvdata(pdev);
if (!chip)
return 0;
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
if (chip->fixes && chip->fixes->runtime_suspend)
return chip->fixes->runtime_suspend(chip);
host = slot->host;
ret = sdhci_runtime_suspend_host(host);
if (ret)
goto err_pci_runtime_suspend;
if (chip->rpm_retune &&
host->tuning_mode != SDHCI_TUNING_MODE_3)
mmc_retune_needed(host->mmc);
}
return 0;
err_pci_runtime_suspend:
while (--i >= 0)
sdhci_runtime_resume_host(chip->slots[i]->host);
return ret;
return sdhci_pci_runtime_suspend_host(chip);
}
static int sdhci_pci_runtime_resume(struct device *dev)
{
struct pci_dev *pdev = to_pci_dev(dev);
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
int i, ret;
struct sdhci_pci_chip *chip = pci_get_drvdata(pdev);
chip = pci_get_drvdata(pdev);
if (!chip)
return 0;
for (i = 0; i < chip->num_slots; i++) {
slot = chip->slots[i];
if (!slot)
continue;
if (chip->fixes && chip->fixes->runtime_resume)
return chip->fixes->runtime_resume(chip);
ret = sdhci_runtime_resume_host(slot->host);
if (ret)
return ret;
}
return 0;
return sdhci_pci_runtime_resume_host(chip);
}
#endif

4
drivers/mmc/host/sdhci-pci.h
View File

@ -71,6 +71,10 @@ struct sdhci_pci_fixes {
int (*suspend) (struct sdhci_pci_chip *);
int (*resume) (struct sdhci_pci_chip *);
#endif
#ifdef CONFIG_PM
int (*runtime_suspend) (struct sdhci_pci_chip *);
int (*runtime_resume) (struct sdhci_pci_chip *);
#endif
const struct sdhci_ops *ops;
size_t priv_size;