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can: peak_pci: convert comments to network style comments

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This patch converts all comments to network subsystem style comments.

Cc: Stephane Grosjean <s.grosjean@peak-system.com>
Link: https://lore.kernel.org/r/20210616102811.2449426-8-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2021-06-11 15:16:14 +02:00
parent 5bbe60493a
commit 9b69aff9fd
1 changed files with 14 additions and 35 deletions
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49
drivers/net/can/sja1000/peak_pci.c
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@ -41,9 +41,7 @@ struct peak_pci_chan {
#define PEAK_PCI_CDR (CDR_CBP | CDR_CLKOUT_MASK)
#define PEAK_PCI_OCR OCR_TX0_PUSHPULL
/*
* Important PITA registers
*/
/* Important PITA registers */
#define PITA_ICR 0x00 /* Interrupt control register */
#define PITA_GPIOICR 0x18 /* GPIO interface control register */
#define PITA_MISC 0x1C /* Miscellaneous register */
@ -88,9 +86,7 @@ static const struct pci_device_id peak_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, peak_pci_tbl);
#ifdef CONFIG_CAN_PEAK_PCIEC
/*
* PCAN-ExpressCard needs I2C bit-banging configuration option.
*/
/* PCAN-ExpressCard needs I2C bit-banging configuration option. */
/* GPIOICR byte access offsets */
#define PITA_GPOUT 0x18 /* GPx output value */
@ -230,9 +226,7 @@ static int pita_getscl(void *data)
return (readb(card->cfg_base + PITA_GPIN) & PITA_GPIN_SCL) ? 1 : 0;
}
/*
* write commands to the LED chip though the I2C-bus of the PCAN-PCIeC
*/
/* write commands to the LED chip though the I2C-bus of the PCAN-PCIeC */
static int peak_pciec_write_pca9553(struct peak_pciec_card *card,
u8 offset, u8 data)
{
@ -261,9 +255,7 @@ static int peak_pciec_write_pca9553(struct peak_pciec_card *card,
return 0;
}
/*
* delayed work callback used to control the LEDs
*/
/* delayed work callback used to control the LEDs */
static void peak_pciec_led_work(struct work_struct *work)
{
struct peak_pciec_card *card =
@ -309,9 +301,7 @@ static void peak_pciec_led_work(struct work_struct *work)
schedule_delayed_work(&card->led_work, HZ);
}
/*
* set LEDs blinking state
*/
/* set LEDs blinking state */
static void peak_pciec_set_leds(struct peak_pciec_card *card, u8 led_mask, u8 s)
{
u8 new_led = card->led_cache;
@ -328,25 +318,19 @@ static void peak_pciec_set_leds(struct peak_pciec_card *card, u8 led_mask, u8 s)
peak_pciec_write_pca9553(card, 5, new_led);
}
/*
* start one second delayed work to control LEDs
*/
/* start one second delayed work to control LEDs */
static void peak_pciec_start_led_work(struct peak_pciec_card *card)
{
schedule_delayed_work(&card->led_work, HZ);
}
/*
* stop LEDs delayed work
*/
/* stop LEDs delayed work */
static void peak_pciec_stop_led_work(struct peak_pciec_card *card)
{
cancel_delayed_work_sync(&card->led_work);
}
/*
* initialize the PCA9553 4-bit I2C-bus LED chip
*/
/* initialize the PCA9553 4-bit I2C-bus LED chip */
static int peak_pciec_init_leds(struct peak_pciec_card *card)
{
int err;
@ -375,17 +359,14 @@ static int peak_pciec_init_leds(struct peak_pciec_card *card)
return peak_pciec_write_pca9553(card, 5, PCA9553_LS0_INIT);
}
/*
* restore LEDs state to off peak_pciec_leds_exit
*/
/* restore LEDs state to off peak_pciec_leds_exit */
static void peak_pciec_leds_exit(struct peak_pciec_card *card)
{
/* switch LEDs to off */
peak_pciec_write_pca9553(card, 5, PCA9553_LED_OFF_ALL);
}
/*
* normal write sja1000 register method overloaded to catch when controller
/* normal write sja1000 register method overloaded to catch when controller
* is started or stopped, to control leds
*/
static void peak_pciec_write_reg(const struct sja1000_priv *priv,
@ -506,9 +487,7 @@ static void peak_pciec_remove(struct peak_pciec_card *card)
#else /* CONFIG_CAN_PEAK_PCIEC */
/*
* Placebo functions when PCAN-ExpressCard support is not selected
*/
/* Placebo functions when PCAN-ExpressCard support is not selected */
static inline int peak_pciec_probe(struct pci_dev *pdev, struct net_device *dev)
{
return -ENODEV;
@ -642,8 +621,7 @@ static int peak_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
chan->prev_dev = pci_get_drvdata(pdev);
pci_set_drvdata(pdev, dev);
/*
* PCAN-ExpressCard needs some additional i2c init.
/* PCAN-ExpressCard needs some additional i2c init.
* This must be done *before* register_sja1000dev() but
* *after* devices linkage
*/
@ -709,7 +687,8 @@ static int peak_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* pci_xxx_config_word() return positive PCIBIOS_xxx error codes while
* the probe() function must return a negative errno in case of failure
* (err is unchanged if negative) */
* (err is unchanged if negative)
*/
return pcibios_err_to_errno(err);
}