[PATCH] tpm/st33zp24: drop unneeded over-commenting
From: Sohaib Mohamed
Date: Wed Oct 13 2021 - 05:21:58 EST
Remove parameter descriptions from all static functions.
Remove the comment altogether that does not tell what the function does.
Suggested-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Signed-off-by: Sohaib Mohamed <sohaib.amhmd@xxxxxxxxx>
---
drivers/char/tpm/st33zp24/st33zp24.c | 122 ++++-----------------------
1 file changed, 17 insertions(+), 105 deletions(-)
diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c
index 4ec10ab5e576..ce9efb73c144 100644
--- a/drivers/char/tpm/st33zp24/st33zp24.c
+++ b/drivers/char/tpm/st33zp24/st33zp24.c
@@ -61,9 +61,7 @@ enum tis_defaults {
};
/*
- * clear_interruption clear the pending interrupt.
- * @param: tpm_dev, the tpm device device.
- * @return: the interrupt status value.
+ * clear the pending interrupt.
*/
static u8 clear_interruption(struct st33zp24_dev *tpm_dev)
{
@@ -72,12 +70,10 @@ static u8 clear_interruption(struct st33zp24_dev *tpm_dev)
tpm_dev->ops->recv(tpm_dev->phy_id, TPM_INT_STATUS, &interrupt, 1);
tpm_dev->ops->send(tpm_dev->phy_id, TPM_INT_STATUS, &interrupt, 1);
return interrupt;
-} /* clear_interruption() */
+}
/*
- * st33zp24_cancel, cancel the current command execution or
- * set STS to COMMAND READY.
- * @param: chip, the tpm_chip description as specified in driver/char/tpm/tpm.h
+ * cancel the current command execution or set STS to COMMAND READY.
*/
static void st33zp24_cancel(struct tpm_chip *chip)
{
@@ -86,12 +82,10 @@ static void st33zp24_cancel(struct tpm_chip *chip)
data = TPM_STS_COMMAND_READY;
tpm_dev->ops->send(tpm_dev->phy_id, TPM_STS, &data, 1);
-} /* st33zp24_cancel() */
+}
/*
- * st33zp24_status return the TPM_STS register
- * @param: chip, the tpm chip description
- * @return: the TPM_STS register value.
+ * return the TPM_STS register
*/
static u8 st33zp24_status(struct tpm_chip *chip)
{
@@ -100,12 +94,10 @@ static u8 st33zp24_status(struct tpm_chip *chip)
tpm_dev->ops->recv(tpm_dev->phy_id, TPM_STS, &data, 1);
return data;
-} /* st33zp24_status() */
+}
/*
- * check_locality if the locality is active
- * @param: chip, the tpm chip description
- * @return: true if LOCALITY0 is active, otherwise false
+ * if the locality is active
*/
static bool check_locality(struct tpm_chip *chip)
{
@@ -120,13 +112,8 @@ static bool check_locality(struct tpm_chip *chip)
return true;
return false;
-} /* check_locality() */
+}
-/*
- * request_locality request the TPM locality
- * @param: chip, the chip description
- * @return: the active locality or negative value.
- */
static int request_locality(struct tpm_chip *chip)
{
struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev);
@@ -153,12 +140,8 @@ static int request_locality(struct tpm_chip *chip)
/* could not get locality */
return -EACCES;
-} /* request_locality() */
+}
-/*
- * release_locality release the active locality
- * @param: chip, the tpm chip description.
- */
static void release_locality(struct tpm_chip *chip)
{
struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev);
@@ -171,8 +154,6 @@ static void release_locality(struct tpm_chip *chip)
/*
* get_burstcount return the burstcount value
- * @param: chip, the chip description
- * return: the burstcount or negative value.
*/
static int get_burstcount(struct tpm_chip *chip)
{
@@ -200,18 +181,8 @@ static int get_burstcount(struct tpm_chip *chip)
msleep(TPM_TIMEOUT);
} while (time_before(jiffies, stop));
return -EBUSY;
-} /* get_burstcount() */
-
+}
-/*
- * wait_for_tpm_stat_cond
- * @param: chip, chip description
- * @param: mask, expected mask value
- * @param: check_cancel, does the command expected to be canceled ?
- * @param: canceled, did we received a cancel request ?
- * @return: true if status == mask or if the command is canceled.
- * false in other cases.
- */
static bool wait_for_tpm_stat_cond(struct tpm_chip *chip, u8 mask,
bool check_cancel, bool *canceled)
{
@@ -228,13 +199,7 @@ static bool wait_for_tpm_stat_cond(struct tpm_chip *chip, u8 mask,
}
/*
- * wait_for_stat wait for a TPM_STS value
- * @param: chip, the tpm chip description
- * @param: mask, the value mask to wait
- * @param: timeout, the timeout
- * @param: queue, the wait queue.
- * @param: check_cancel, does the command can be cancelled ?
- * @return: the tpm status, 0 if success, -ETIME if timeout is reached.
+ * wait for a TPM_STS value
*/
static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
wait_queue_head_t *queue, bool check_cancel)
@@ -292,15 +257,8 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout,
}
return -ETIME;
-} /* wait_for_stat() */
+}
-/*
- * recv_data receive data
- * @param: chip, the tpm chip description
- * @param: buf, the buffer where the data are received
- * @param: count, the number of data to receive
- * @return: the number of bytes read from TPM FIFO.
- */
static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
{
struct st33zp24_dev *tpm_dev = dev_get_drvdata(&chip->dev);
@@ -325,12 +283,6 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count)
return size;
}
-/*
- * tpm_ioserirq_handler the serirq irq handler
- * @param: irq, the tpm chip description
- * @param: dev_id, the description of the chip
- * @return: the status of the handler.
- */
static irqreturn_t tpm_ioserirq_handler(int irq, void *dev_id)
{
struct tpm_chip *chip = dev_id;
@@ -341,16 +293,10 @@ static irqreturn_t tpm_ioserirq_handler(int irq, void *dev_id)
disable_irq_nosync(tpm_dev->irq);
return IRQ_HANDLED;
-} /* tpm_ioserirq_handler() */
+}
/*
- * st33zp24_send send TPM commands through the I2C bus.
- *
- * @param: chip, the tpm_chip description as specified in driver/char/tpm/tpm.h
- * @param: buf, the buffer to send.
- * @param: count, the number of bytes to send.
- * @return: In case of success the number of bytes sent.
- * In other case, a < 0 value describing the issue.
+ * send TPM commands through the I2C bus.
*/
static int st33zp24_send(struct tpm_chip *chip, unsigned char *buf,
size_t len)
@@ -431,14 +377,6 @@ static int st33zp24_send(struct tpm_chip *chip, unsigned char *buf,
return ret;
}
-/*
- * st33zp24_recv received TPM response through TPM phy.
- * @param: chip, the tpm_chip description as specified in driver/char/tpm/tpm.h.
- * @param: buf, the buffer to store datas.
- * @param: count, the number of bytes to send.
- * @return: In case of success the number of bytes received.
- * In other case, a < 0 value describing the issue.
- */
static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf,
size_t count)
{
@@ -478,12 +416,6 @@ static int st33zp24_recv(struct tpm_chip *chip, unsigned char *buf,
return size;
}
-/*
- * st33zp24_req_canceled
- * @param: chip, the tpm_chip description as specified in driver/char/tpm/tpm.h.
- * @param: status, the TPM status.
- * @return: Does TPM ready to compute a new command ? true.
- */
static bool st33zp24_req_canceled(struct tpm_chip *chip, u8 status)
{
return (status == TPM_STS_COMMAND_READY);
@@ -501,11 +433,7 @@ static const struct tpm_class_ops st33zp24_tpm = {
};
/*
- * st33zp24_probe initialize the TPM device
- * @param: client, the i2c_client description (TPM I2C description).
- * @param: id, the i2c_device_id struct.
- * @return: 0 in case of success.
- * -1 in other case.
+ * initialize the TPM device
*/
int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
struct device *dev, int irq, int io_lpcpd)
@@ -583,11 +511,6 @@ int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops,
}
EXPORT_SYMBOL(st33zp24_probe);
-/*
- * st33zp24_remove remove the TPM device
- * @param: tpm_data, the tpm phy.
- * @return: 0 in case of success.
- */
int st33zp24_remove(struct tpm_chip *chip)
{
tpm_chip_unregister(chip);
@@ -596,12 +519,6 @@ int st33zp24_remove(struct tpm_chip *chip)
EXPORT_SYMBOL(st33zp24_remove);
#ifdef CONFIG_PM_SLEEP
-/*
- * st33zp24_pm_suspend suspend the TPM device
- * @param: tpm_data, the tpm phy.
- * @param: mesg, the power management message.
- * @return: 0 in case of success.
- */
int st33zp24_pm_suspend(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
@@ -615,14 +532,9 @@ int st33zp24_pm_suspend(struct device *dev)
ret = tpm_pm_suspend(dev);
return ret;
-} /* st33zp24_pm_suspend() */
+}
EXPORT_SYMBOL(st33zp24_pm_suspend);
-/*
- * st33zp24_pm_resume resume the TPM device
- * @param: tpm_data, the tpm phy.
- * @return: 0 in case of success.
- */
int st33zp24_pm_resume(struct device *dev)
{
struct tpm_chip *chip = dev_get_drvdata(dev);
@@ -640,7 +552,7 @@ int st33zp24_pm_resume(struct device *dev)
tpm1_do_selftest(chip);
}
return ret;
-} /* st33zp24_pm_resume() */
+}
EXPORT_SYMBOL(st33zp24_pm_resume);
#endif
--
2.25.1