To comply with protocol requirements, minimum polling times must often
be adhered to. Therefore, a macro like tpm_msleep() should sleep at
least the given amount of time (not up to the given period). Have
tpm_msleep() sleep at least the given number of milliseconds.
Signed-off-by: Johannes Holland <johannes.holland@xxxxxxxxxxxx>
---
drivers/char/tpm/tpm.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 2163c6ee0d36..0971b55fffe3 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -185,8 +185,8 @@ int tpm_pm_resume(struct device *dev);
static inline void tpm_msleep(unsigned int delay_msec)
{
- usleep_range((delay_msec * 1000) - TPM_TIMEOUT_RANGE_US,
- delay_msec * 1000);
+ usleep_range(delay_msec * 1000, (delay_msec * 1000)
+ + TPM_TIMEOUT_RANGE_US);
};
int tpm_chip_start(struct tpm_chip *chip);
--
2.34.1
