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| author | Christophe Ricard <christophe.ricard@gmail.com> | 2016-03-31 22:56:57 +0200 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-06-25 17:26:35 +0300 |
| commit | 6e599f6f261fe61582e6bedcc0aff924ac5da614 (patch) | |
| tree | f9b0128a6f7790c348af9bd4d619b38641135b8a /drivers/char/tpm/xen-tpmfront.c | |
| parent | 570a36097f302c0bae4fb5478f1287b9b3626155 (diff) | |
| download | lwn-6e599f6f261fe61582e6bedcc0aff924ac5da614.tar.gz lwn-6e599f6f261fe61582e6bedcc0aff924ac5da614.zip | |
tpm: drop 'read_queue' from struct tpm_vendor_specific
Dropped the field 'read_queue' from struct tpm_vendor_specific and make it
available to the various private structures in the drivers.
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm/xen-tpmfront.c')
| -rw-r--r-- | drivers/char/tpm/xen-tpmfront.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c index 329941d7764c..cca89d9f004e 100644 --- a/drivers/char/tpm/xen-tpmfront.c +++ b/drivers/char/tpm/xen-tpmfront.c @@ -29,6 +29,7 @@ struct tpm_private { int ring_ref; domid_t backend_id; int irq; + wait_queue_head_t read_queue; }; enum status_bits { @@ -89,7 +90,7 @@ static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count) /* Wait for completion of any existing command or cancellation */ if (wait_for_tpm_stat(chip, VTPM_STATUS_IDLE, chip->vendor.timeout_c, - &chip->vendor.read_queue, true) < 0) { + &priv->read_queue, true) < 0) { vtpm_cancel(chip); return -ETIME; } @@ -105,7 +106,7 @@ static int vtpm_send(struct tpm_chip *chip, u8 *buf, size_t count) duration = tpm_calc_ordinal_duration(chip, ordinal); if (wait_for_tpm_stat(chip, VTPM_STATUS_IDLE, duration, - &chip->vendor.read_queue, true) < 0) { + &priv->read_queue, true) < 0) { /* got a signal or timeout, try to cancel */ vtpm_cancel(chip); return -ETIME; @@ -126,7 +127,7 @@ static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count) /* In theory the wait at the end of _send makes this one unnecessary */ if (wait_for_tpm_stat(chip, VTPM_STATUS_RESULT, chip->vendor.timeout_c, - &chip->vendor.read_queue, true) < 0) { + &priv->read_queue, true) < 0) { vtpm_cancel(chip); return -ETIME; } @@ -162,7 +163,7 @@ static irqreturn_t tpmif_interrupt(int dummy, void *dev_id) switch (priv->shr->state) { case VTPM_STATE_IDLE: case VTPM_STATE_FINISH: - wake_up_interruptible(&priv->chip->vendor.read_queue); + wake_up_interruptible(&priv->read_queue); break; case VTPM_STATE_SUBMIT: case VTPM_STATE_CANCEL: @@ -180,7 +181,7 @@ static int setup_chip(struct device *dev, struct tpm_private *priv) if (IS_ERR(chip)) return PTR_ERR(chip); - init_waitqueue_head(&chip->vendor.read_queue); + init_waitqueue_head(&priv->read_queue); priv->chip = chip; TPM_VPRIV(chip) = priv; |