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| author | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-09-27 11:00:13 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-09-27 11:00:13 +0200 |
| commit | 4886cd80cb8eab175a527f82ea8fc676e70309fa (patch) | |
| tree | c0806eb8758f8540fcf44b94c8ec009a513441bf | |
| parent | Merge branch 'stable-4.9' of git://git.infradead.org/users/pcmoore/selinux in... (diff) | |
| download | linux-4886cd80cb8eab175a527f82ea8fc676e70309fa.tar.xz linux-4886cd80cb8eab175a527f82ea8fc676e70309fa.zip | |
Revert "tmp/tpm_crb: implement runtime pm for tpm_crb"
This reverts commit e350e24694e447e6ab7312fffae5ca31a0bb5165.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
| -rw-r--r-- | drivers/char/tpm/tpm-interface.c | 5 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm_crb.c | 37 |
2 files changed, 3 insertions, 39 deletions
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 77d83c98d67f..8de61876f633 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -29,7 +29,6 @@ #include <linux/mutex.h> #include <linux/spinlock.h> #include <linux/freezer.h> -#include <linux/pm_runtime.h> #include "tpm.h" #include "tpm_eventlog.h" @@ -357,8 +356,6 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz, if (!(flags & TPM_TRANSMIT_UNLOCKED)) mutex_lock(&chip->tpm_mutex); - pm_runtime_get_sync(chip->dev.parent); - rc = chip->ops->send(chip, (u8 *) buf, count); if (rc < 0) { dev_err(&chip->dev, @@ -400,8 +397,6 @@ out_recv: dev_err(&chip->dev, "tpm_transmit: tpm_recv: error %zd\n", rc); out: - pm_runtime_put(chip->dev.parent); - if (!(flags & TPM_TRANSMIT_UNLOCKED)) mutex_unlock(&chip->tpm_mutex); return rc; diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index aa0ef742ac03..d385e63008a6 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -19,7 +19,6 @@ #include <linux/highmem.h> #include <linux/rculist.h> #include <linux/module.h> -#include <linux/pm_runtime.h> #include "tpm.h" #define ACPI_SIG_TPM2 "TPM2" @@ -153,6 +152,8 @@ static int __maybe_unused crb_cmd_ready(struct device *dev, return 0; } +static SIMPLE_DEV_PM_OPS(crb_pm, tpm_pm_suspend, tpm_pm_resume); + static u8 crb_status(struct tpm_chip *chip) { struct crb_priv *priv = dev_get_drvdata(&chip->dev); @@ -435,16 +436,9 @@ static int crb_acpi_add(struct acpi_device *device) if (rc) return rc; - pm_runtime_set_active(dev); - pm_runtime_enable(dev); - rc = tpm_chip_register(chip); - if (rc) { + if (rc) crb_go_idle(dev, priv); - pm_runtime_disable(dev); - } - - pm_runtime_put(dev); return rc; } @@ -456,34 +450,9 @@ static int crb_acpi_remove(struct acpi_device *device) tpm_chip_unregister(chip); - pm_runtime_disable(dev); - return 0; } -#ifdef CONFIG_PM -static int crb_pm_runtime_suspend(struct device *dev) -{ - struct tpm_chip *chip = dev_get_drvdata(dev); - struct crb_priv *priv = dev_get_drvdata(&chip->dev); - - return crb_go_idle(dev, priv); -} - -static int crb_pm_runtime_resume(struct device *dev) -{ - struct tpm_chip *chip = dev_get_drvdata(dev); - struct crb_priv *priv = dev_get_drvdata(&chip->dev); - - return crb_cmd_ready(dev, priv); -} -#endif /* CONFIG_PM */ - -static const struct dev_pm_ops crb_pm = { - SET_SYSTEM_SLEEP_PM_OPS(tpm_pm_suspend, tpm_pm_resume) - SET_RUNTIME_PM_OPS(crb_pm_runtime_suspend, crb_pm_runtime_resume, NULL) -}; - static struct acpi_device_id crb_device_ids[] = { {"MSFT0101", 0}, {"", 0}, |