diff options
| -rw-r--r-- | drivers/char/tpm/tpm.c | 22 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm.h | 4 | ||||
| -rw-r--r-- | drivers/char/tpm/tpm_tis.c | 32 |
3 files changed, 32 insertions, 26 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 150c86af780..160dc080d58 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -354,7 +354,7 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, TPM_PROTECTED_ORDINAL_MASK]; if (duration_idx != TPM_UNDEFINED) - duration = chip->vendor.duration[duration_idx] * HZ / 1000; + duration = chip->vendor.duration[duration_idx]; if (duration <= 0) return 2 * 60 * HZ; else @@ -524,19 +524,19 @@ void tpm_get_timeouts(struct tpm_chip *chip) timeout = be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX))); if (timeout) - chip->vendor.timeout_a = timeout; + chip->vendor.timeout_a = msecs_to_jiffies(timeout); timeout = be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_2_IDX))); if (timeout) - chip->vendor.timeout_b = timeout; + chip->vendor.timeout_b = msecs_to_jiffies(timeout); timeout = be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_3_IDX))); if (timeout) - chip->vendor.timeout_c = timeout; + chip->vendor.timeout_c = msecs_to_jiffies(timeout); timeout = be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_4_IDX))); if (timeout) - chip->vendor.timeout_d = timeout; + chip->vendor.timeout_d = msecs_to_jiffies(timeout); duration: memcpy(data, tpm_cap, sizeof(tpm_cap)); @@ -553,11 +553,17 @@ duration: return; chip->vendor.duration[TPM_SHORT] = - be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_1_IDX))); + msecs_to_jiffies(be32_to_cpu + (*((__be32 *) (data + + TPM_GET_CAP_RET_UINT32_1_IDX)))); chip->vendor.duration[TPM_MEDIUM] = - be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_2_IDX))); + msecs_to_jiffies(be32_to_cpu + (*((__be32 *) (data + + TPM_GET_CAP_RET_UINT32_2_IDX)))); chip->vendor.duration[TPM_LONG] = - be32_to_cpu(*((__be32 *) (data + TPM_GET_CAP_RET_UINT32_3_IDX))); + msecs_to_jiffies(be32_to_cpu + (*((__be32 *) (data + + TPM_GET_CAP_RET_UINT32_3_IDX)))); } EXPORT_SYMBOL_GPL(tpm_get_timeouts); diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 24541a556d0..54a4c804e25 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -77,8 +77,8 @@ struct tpm_vendor_specific { struct attribute_group *attr_group; struct list_head list; int locality; - u32 timeout_a, timeout_b, timeout_c, timeout_d; - u32 duration[3]; + unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* jiffies */ + unsigned long duration[3]; /* jiffies */ wait_queue_head_t read_queue; wait_queue_head_t int_queue; diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index 02759307f73..1cb5a7f0755 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -51,6 +51,11 @@ enum tis_int_flags { TPM_INTF_DATA_AVAIL_INT = 0x001, }; +enum tis_defaults { + TIS_SHORT_TIMEOUT = 750, /* ms */ + TIS_LONG_TIMEOUT = 2000, /* 2 sec */ +}; + #define TPM_ACCESS(l) (0x0000 | ((l) << 12)) #define TPM_INT_ENABLE(l) (0x0008 | ((l) << 12)) #define TPM_INT_VECTOR(l) (0x000C | ((l) << 12)) @@ -96,19 +101,16 @@ static int request_locality(struct tpm_chip *chip, int l) chip->vendor.iobase + TPM_ACCESS(l)); if (chip->vendor.irq) { - rc = wait_event_interruptible_timeout(chip->vendor. - int_queue, + rc = wait_event_interruptible_timeout(chip->vendor.int_queue, (check_locality (chip, l) >= 0), - msecs_to_jiffies - (chip->vendor. - timeout_a)); + chip->vendor.timeout_a); if (rc > 0) return l; } else { /* wait for burstcount */ - stop = jiffies + (HZ * chip->vendor.timeout_a / 1000); + stop = jiffies + chip->vendor.timeout_a; do { if (check_locality(chip, l) >= 0) return l; @@ -139,7 +141,7 @@ static int get_burstcount(struct tpm_chip *chip) /* wait for burstcount */ /* which timeout value, spec has 2 answers (c & d) */ - stop = jiffies + (HZ * chip->vendor.timeout_d / 1000); + stop = jiffies + chip->vendor.timeout_d; do { burstcnt = ioread8(chip->vendor.iobase + TPM_STS(chip->vendor.locality) + 1); @@ -153,7 +155,7 @@ static int get_burstcount(struct tpm_chip *chip) return -EBUSY; } -static int wait_for_stat(struct tpm_chip *chip, u8 mask, u32 timeout, +static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout, wait_queue_head_t *queue) { unsigned long stop; @@ -169,13 +171,11 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, u32 timeout, rc = wait_event_interruptible_timeout(*queue, ((tpm_tis_status (chip) & mask) == - mask), - msecs_to_jiffies - (timeout)); + mask), timeout); if (rc > 0) return 0; } else { - stop = jiffies + (HZ * timeout / 1000); + stop = jiffies + timeout; do { msleep(TPM_TIMEOUT); status = tpm_tis_status(chip); @@ -453,10 +453,10 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev } /* Default timeouts */ - chip->vendor.timeout_a = 750; /* ms */ - chip->vendor.timeout_b = 2000; /* 2 sec */ - chip->vendor.timeout_c = 750; /* ms */ - chip->vendor.timeout_d = 750; /* ms */ + chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT); + chip->vendor.timeout_b = msecs_to_jiffies(TIS_LONG_TIMEOUT); + chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT); + chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT); dev_info(&pnp_dev->dev, "1.2 TPM (device-id 0x%X, rev-id %d)\n", |