diff options
Diffstat (limited to 'drivers/char/tpm/tpm_i2c_nuvoton.c')
| -rw-r--r-- | drivers/char/tpm/tpm_i2c_nuvoton.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index 75a80e4662b2..2c1fa26cf976 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -57,6 +57,7 @@ struct priv_data { int irq; unsigned int intrs; + wait_queue_head_t read_queue; }; static s32 i2c_nuvoton_read_buf(struct i2c_client *client, u8 offset, u8 size, @@ -232,13 +233,14 @@ static int i2c_nuvoton_wait_for_data_avail(struct tpm_chip *chip, u32 timeout, static int i2c_nuvoton_recv_data(struct i2c_client *client, struct tpm_chip *chip, u8 *buf, size_t count) { + struct priv_data *priv = chip->vendor.priv; s32 rc; int burst_count, bytes2read, size = 0; while (size < count && i2c_nuvoton_wait_for_data_avail(chip, chip->vendor.timeout_c, - &chip->vendor.read_queue) == 0) { + &priv->read_queue) == 0) { burst_count = i2c_nuvoton_get_burstcount(client, chip); if (burst_count < 0) { dev_err(&chip->dev, @@ -265,6 +267,7 @@ static int i2c_nuvoton_recv_data(struct i2c_client *client, /* Read TPM command results */ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) { + struct priv_data *priv = chip->vendor.priv; struct device *dev = chip->dev.parent; struct i2c_client *client = to_i2c_client(dev); s32 rc; @@ -286,7 +289,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) * tag, paramsize, and result */ status = i2c_nuvoton_wait_for_data_avail( - chip, chip->vendor.timeout_c, &chip->vendor.read_queue); + chip, chip->vendor.timeout_c, &priv->read_queue); if (status != 0) { dev_err(dev, "%s() timeout on dataAvail\n", __func__); size = -ETIMEDOUT; @@ -348,6 +351,7 @@ static int i2c_nuvoton_recv(struct tpm_chip *chip, u8 *buf, size_t count) */ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len) { + struct priv_data *priv = chip->vendor.priv; struct device *dev = chip->dev.parent; struct i2c_client *client = to_i2c_client(dev); u32 ordinal; @@ -440,7 +444,7 @@ static int i2c_nuvoton_send(struct tpm_chip *chip, u8 *buf, size_t len) rc = i2c_nuvoton_wait_for_data_avail(chip, tpm_calc_ordinal_duration(chip, ordinal), - &chip->vendor.read_queue); + &priv->read_queue); if (rc) { dev_err(dev, "%s() timeout command duration\n", __func__); i2c_nuvoton_ready(chip); @@ -477,7 +481,7 @@ static irqreturn_t i2c_nuvoton_int_handler(int dummy, void *dev_id) struct priv_data *priv = chip->vendor.priv; priv->intrs++; - wake_up(&chip->vendor.read_queue); + wake_up(&priv->read_queue); disable_irq_nosync(priv->irq); return IRQ_HANDLED; } @@ -541,7 +545,7 @@ static int i2c_nuvoton_probe(struct i2c_client *client, return -ENOMEM; chip->vendor.priv = priv; - init_waitqueue_head(&chip->vendor.read_queue); + init_waitqueue_head(&priv->read_queue); /* Default timeouts */ chip->vendor.timeout_a = msecs_to_jiffies(TPM_I2C_SHORT_TIMEOUT); |