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authorStephen Rothwell <sfr@canb.auug.org.au>2017-07-24 12:42:57 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2017-07-24 12:42:57 +1000
commite9e4a410bf00b4c29e403e29852180287fe92a8f (patch)
tree108f4d7691c2bf462d30ad8c9d5d33da4811ae8c
parent0c6465613db4a0d26957ac2d617d32450f3dbd27 (diff)
parente7d872bf1bc553dee3a87e57f5276081153861be (diff)
Merge remote-tracking branch 'tpmdd/next'
-rw-r--r--Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt6
-rw-r--r--drivers/char/tpm/tpm_crb.c2
2 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
index 8cb638b7e89c..85c8216fc335 100644
--- a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
+++ b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
@@ -8,6 +8,12 @@ Required properties:
the firmware event log
- linux,sml-size : size of the memory allocated for the firmware event log
+Optional properties:
+
+- powered-while-suspended: present when the TPM is left powered on between
+ suspend and resume (makes the suspend/resume
+ callbacks do nothing).
+
Example (for OpenPower Systems with Nuvoton TPM 2.0 on I2C)
----------------------------------------------------------
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index a4ac63a21d8a..8f0a98dea327 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -665,7 +665,7 @@ static const struct dev_pm_ops crb_pm = {
SET_RUNTIME_PM_OPS(crb_pm_runtime_suspend, crb_pm_runtime_resume, NULL)
};
-static struct acpi_device_id crb_device_ids[] = {
+static const struct acpi_device_id crb_device_ids[] = {
{"MSFT0101", 0},
{"", 0},
};