tpm: convert tpm_tis driver to use dev_pm_ops from legacy pm_ops

Convert drivers/char/tpm/tpm_tis.c to use dev_pm_ops instead of legacy
pm_ops.  This patch depends on pnp driver bus ops change to invoke
pnp_driver dev_pm_ops.

Signed-off-by: Shuah Khan <shuah.kh@samsung.com>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Cc: Leonidas Da Silva Barbosa <leosilva@linux.vnet.ibm.com>
Cc: Ashley Lai <ashley@ashleylai.com>
Cc: Rajiv Andrade <mail@srajiv.net>
Cc: Marcel Selhorst <tpmdd@selhorst.net>
Cc: Sirrix AG <tpmdd@sirrix.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Peter Hüwe <PeterHuewe@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 24 insertions, 36 deletions

diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 4519cb332987..5796d0157ce0 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -766,6 +766,25 @@ static void tpm_tis_reenable_interrupts(struct tpm_chip *chip)
 }
 #endif
 
+#ifdef CONFIG_PM_SLEEP
+static int tpm_tis_resume(struct device *dev)
+{
+        struct tpm_chip *chip = dev_get_drvdata(dev);
+        int ret;
+
+        if (chip->vendor.irq)
+                tpm_tis_reenable_interrupts(chip);
+
+        ret = tpm_pm_resume(dev);
+        if (!ret)
+                tpm_do_selftest(chip);
+
+        return ret;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume);
+
 #ifdef CONFIG_PNP
 static int tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
                                       const struct pnp_device_id *pnp_id)
@@ -787,26 +806,6 @@ static int tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
         return tpm_tis_init(&pnp_dev->dev, start, len, irq);
 }
 
-static int tpm_tis_pnp_suspend(struct pnp_dev *dev, pm_message_t msg)
-{
-        return tpm_pm_suspend(&dev->dev);
-}
-
-static int tpm_tis_pnp_resume(struct pnp_dev *dev)
-{
-        struct tpm_chip *chip = pnp_get_drvdata(dev);
-        int ret;
-
-        if (chip->vendor.irq)
-                tpm_tis_reenable_interrupts(chip);
-
-        ret = tpm_pm_resume(&dev->dev);
-        if (!ret)
-                tpm_do_selftest(chip);
-
-        return ret;
-}
-
 static struct pnp_device_id tpm_pnp_tbl[] = {
         {"PNP0C31", 0},         /* TPM */
         {"ATM1200", 0},         /* Atmel */
@@ -835,9 +834,12 @@ static struct pnp_driver tis_pnp_driver = {
         .name = "tpm_tis",
         .id_table = tpm_pnp_tbl,
         .probe = tpm_tis_pnp_init,
-        .suspend = tpm_tis_pnp_suspend,
-        .resume = tpm_tis_pnp_resume,
         .remove = tpm_tis_pnp_remove,
+#ifdef CONFIG_PM_SLEEP
+        .driver = {
+                .pm = &tpm_tis_pm,
+        },
+#endif
 };
 
 #define TIS_HID_USR_IDX sizeof(tpm_pnp_tbl)/sizeof(struct pnp_device_id) -2
@@ -846,20 +848,6 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
 MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
 #endif
 
-#ifdef CONFIG_PM_SLEEP
-static int tpm_tis_resume(struct device *dev)
-{
-        struct tpm_chip *chip = dev_get_drvdata(dev);
-
-        if (chip->vendor.irq)
-                tpm_tis_reenable_interrupts(chip);
-
-        return tpm_pm_resume(dev);
-}
-#endif
-
-static SIMPLE_DEV_PM_OPS(tpm_tis_pm, tpm_pm_suspend, tpm_tis_resume);
-
 static struct platform_driver tis_drv = {
         .driver = {
                 .name = "tpm_tis",