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tpm_tis: Use struct dev_pm_ops for power management

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Make the tpm_tis driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.

This allows the driver to use tpm_pm_suspend() as its suspend
callback directly, without defining its own suspend callback
routine.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Rafael J. Wysocki 2012-07-06 19:09:20 +02:00
parent 8324be0538
commit b633f0507e
1 changed files with 7 additions and 9 deletions
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16
drivers/char/tpm/tpm_tis.c
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@ -806,27 +806,25 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444); sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe"); MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
#endif #endif
static int tpm_tis_suspend(struct platform_device *dev, pm_message_t msg)
{
return tpm_pm_suspend(&dev->dev);
}
static int tpm_tis_resume(struct platform_device *dev) static int tpm_tis_resume(struct device *dev)
{ {
struct tpm_chip *chip = dev_get_drvdata(&dev->dev); struct tpm_chip *chip = dev_get_drvdata(dev);
if (chip->vendor.irq) if (chip->vendor.irq)
tpm_tis_reenable_interrupts(chip); tpm_tis_reenable_interrupts(chip);
return tpm_pm_resume(&dev->dev); return tpm_pm_resume(dev);
} }
static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume);
static struct platform_driver tis_drv = { static struct platform_driver tis_drv = {
.driver = { .driver = {
.name = "tpm_tis", .name = "tpm_tis",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = &tpm_tis_pm,
}, },
.suspend = tpm_tis_suspend,
.resume = tpm_tis_resume,
}; };
static struct platform_device *pdev; static struct platform_device *pdev;