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-rw-r--r--MAINTAINERS6
-rw-r--r--drivers/char/tpm/tpm.c2
-rw-r--r--drivers/char/tpm/tpm.h2
-rw-r--r--drivers/char/tpm/tpm_tis.c17
-rw-r--r--include/linux/tpm.h2
5 files changed, 20 insertions, 9 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 3d7782b9f90d..60bc1cc8d114 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3971,7 +3971,8 @@ S: Maintained
F: arch/ia64/
IBM Power in-Nest Crypto Acceleration
-M: Kent Yoder <[email protected]>
+M: Marcelo Henrique Cerri <[email protected]>
+M: Fionnuala Gunter <[email protected]>
S: Supported
F: drivers/crypto/nx/
@@ -8198,7 +8199,8 @@ S: Odd fixes
F: drivers/media/usb/tm6000/
TPM DEVICE DRIVER
-M: Kent Yoder <[email protected]>
+M: Leonidas Da Silva Barbosa <[email protected]>
+M: Ashley Lai <[email protected]>
M: Rajiv Andrade <[email protected]>
W: http://tpmdd.sourceforge.net
M: Marcel Selhorst <[email protected]>
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 7c3b3dcbfbc8..e3c974a6c522 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1472,7 +1472,7 @@ EXPORT_SYMBOL_GPL(tpm_dev_vendor_release);
* Once all references to platform device are down to 0,
* release all allocated structures.
*/
-static void tpm_dev_release(struct device *dev)
+void tpm_dev_release(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 0770d1d79366..a7bfc176ed43 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -272,7 +272,6 @@ typedef union {
struct tpm_output_header out;
} tpm_cmd_header;
-#define TPM_DIGEST_SIZE 20
struct tpm_pcrread_out {
u8 pcr_result[TPM_DIGEST_SIZE];
} __packed;
@@ -333,6 +332,7 @@ extern struct tpm_chip* tpm_register_hardware(struct device *,
const struct tpm_vendor_specific *);
extern int tpm_open(struct inode *, struct file *);
extern int tpm_release(struct inode *, struct file *);
+extern void tpm_dev_release(struct device *dev);
extern void tpm_dev_vendor_release(struct tpm_chip *);
extern ssize_t tpm_write(struct file *, const char __user *, size_t,
loff_t *);
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 8a41b6be23a0..4519cb332987 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -884,12 +884,19 @@ static int __init init_tis(void)
rc = platform_driver_register(&tis_drv);
if (rc < 0)
return rc;
- if (IS_ERR(pdev=platform_device_register_simple("tpm_tis", -1, NULL, 0)))
- return PTR_ERR(pdev);
- if((rc=tpm_tis_init(&pdev->dev, TIS_MEM_BASE, TIS_MEM_LEN, 0)) != 0) {
- platform_device_unregister(pdev);
- platform_driver_unregister(&tis_drv);
+ pdev = platform_device_register_simple("tpm_tis", -1, NULL, 0);
+ if (IS_ERR(pdev)) {
+ rc = PTR_ERR(pdev);
+ goto err_dev;
}
+ rc = tpm_tis_init(&pdev->dev, TIS_MEM_BASE, TIS_MEM_LEN, 0);
+ if (rc)
+ goto err_init;
+ return 0;
+err_init:
+ platform_device_unregister(pdev);
+err_dev:
+ platform_driver_unregister(&tis_drv);
return rc;
}
diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index fcb627ff8d3e..9a9051bb1a03 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -22,6 +22,8 @@
#ifndef __LINUX_TPM_H__
#define __LINUX_TPM_H__
+#define TPM_DIGEST_SIZE 20 /* Max TPM v1.2 PCR size */
+
/*
* Chip num is this value or a valid tpm idx
*/