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authorIngo Molnar <mingo@elte.hu>2011-02-16 13:33:35 +0100
committerIngo Molnar <mingo@elte.hu>2011-02-16 13:33:41 +0100
commita3ec4a603faf4244e275bf11b467aad092dfbd8a (patch)
tree1c15009716b37629070ea221a00eb9fe2303a317 /drivers/char/tpm/tpm.c
parent51563cd53c4b1c1790fccd2e0af0e2b756589af9 (diff)
parent85e2efbb1db9a18d218006706d6e4fbeb0216213 (diff)
downloadblackbird-op-linux-a3ec4a603faf4244e275bf11b467aad092dfbd8a.tar.gz
blackbird-op-linux-a3ec4a603faf4244e275bf11b467aad092dfbd8a.zip
Merge commit 'v2.6.38-rc5' into core/locking
Merge reason: pick up upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/tpm/tpm.c')
-rw-r--r--drivers/char/tpm/tpm.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 36e0fa161c2b..faf5a2c65926 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -577,9 +577,11 @@ duration:
if (rc)
return;
- if (be32_to_cpu(tpm_cmd.header.out.return_code)
- != 3 * sizeof(u32))
+ if (be32_to_cpu(tpm_cmd.header.out.return_code) != 0 ||
+ be32_to_cpu(tpm_cmd.header.out.length)
+ != sizeof(tpm_cmd.header.out) + sizeof(u32) + 3 * sizeof(u32))
return;
+
duration_cap = &tpm_cmd.params.getcap_out.cap.duration;
chip->vendor.duration[TPM_SHORT] =
usecs_to_jiffies(be32_to_cpu(duration_cap->tpm_short));
@@ -939,6 +941,18 @@ ssize_t tpm_show_caps_1_2(struct device * dev,
}
EXPORT_SYMBOL_GPL(tpm_show_caps_1_2);
+ssize_t tpm_show_timeouts(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct tpm_chip *chip = dev_get_drvdata(dev);
+
+ return sprintf(buf, "%d %d %d\n",
+ jiffies_to_usecs(chip->vendor.duration[TPM_SHORT]),
+ jiffies_to_usecs(chip->vendor.duration[TPM_MEDIUM]),
+ jiffies_to_usecs(chip->vendor.duration[TPM_LONG]));
+}
+EXPORT_SYMBOL_GPL(tpm_show_timeouts);
+
ssize_t tpm_store_cancel(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
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