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Date: Wed, 15 Nov 2017 16:35:48 -0800
From: Chase Metzger <chasemetzger15@...il.com>
To: gregkh@...uxfoundation.org
Cc: Chase Metzger <chasemetzger15@...il.com>,
Marcus Wolf <linux@...f-Entwicklungen.de>,
Joseph Wright <rjosephwright@...il.com>,
Haneen Mohammed <hamohammed.sa@...il.com>,
Cihangir Akturk <cakturk@...il.com>,
Srishti Sharma <srishtishar@...il.com>,
Colin Ian King <colin.king@...onical.com>,
Al Viro <viro@...iv.linux.org.uk>,
Derek Robson <robsonde@...il.com>, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/6] staging: pi433: pi433_if.c: fix opening curly brace coding style issues
Put opening curly braces for if/else/else if statements and for/while loops
on the same line as the statements or loops to comply with the kernel
coding style.
Signed-off-by: Chase Metzger <chasemetzger15@...il.com>
---
drivers/staging/pi433/pi433_if.c | 110 ++++++++++++++-------------------------
1 file changed, 38 insertions(+), 72 deletions(-)
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index ff86db1c6cbd..76d70345229a 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -153,12 +153,10 @@ static irqreturn_t DIO1_irq_handler(int irq, void *dev_id)
{
struct pi433_device *device = dev_id;
- if (device->irq_state[DIO1] == DIO_FifoNotEmpty_DIO1)
- {
+ if (device->irq_state[DIO1] == DIO_FifoNotEmpty_DIO1) {
device->free_in_fifo = FIFO_SIZE;
}
- else if (device->irq_state[DIO1] == DIO_FifoLevel)
- {
+ else if (device->irq_state[DIO1] == DIO_FifoLevel) {
if (device->rx_active) device->free_in_fifo = FIFO_THRESHOLD - 1;
else device->free_in_fifo = FIFO_SIZE - FIFO_THRESHOLD - 1;
}
@@ -193,12 +191,10 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct pi433_rx_cfg *rx_cfg)
/* packet config */
/* enable */
SET_CHECKED(rf69_set_sync_enable(dev->spi, rx_cfg->enable_sync));
- if (rx_cfg->enable_sync == optionOn)
- {
+ if (rx_cfg->enable_sync == optionOn) {
SET_CHECKED(rf69_set_fifo_fill_condition(dev->spi, afterSyncInterrupt));
}
- else
- {
+ else {
SET_CHECKED(rf69_set_fifo_fill_condition(dev->spi, always));
}
if (rx_cfg->enable_length_byte == optionOn) {
@@ -215,29 +211,24 @@ rf69_set_rx_cfg(struct pi433_device *dev, struct pi433_rx_cfg *rx_cfg)
/* lengths */
SET_CHECKED(rf69_set_sync_size(dev->spi, rx_cfg->sync_length));
- if (rx_cfg->enable_length_byte == optionOn)
- {
+ if (rx_cfg->enable_length_byte == optionOn) {
SET_CHECKED(rf69_set_payload_length(dev->spi, 0xff));
}
- else if (rx_cfg->fixed_message_length != 0)
- {
+ else if (rx_cfg->fixed_message_length != 0) {
payload_length = rx_cfg->fixed_message_length;
if (rx_cfg->enable_length_byte == optionOn) payload_length++;
if (rx_cfg->enable_address_filtering != filteringOff) payload_length++;
SET_CHECKED(rf69_set_payload_length(dev->spi, payload_length));
}
- else
- {
+ else {
SET_CHECKED(rf69_set_payload_length(dev->spi, 0));
}
/* values */
- if (rx_cfg->enable_sync == optionOn)
- {
+ if (rx_cfg->enable_sync == optionOn) {
SET_CHECKED(rf69_set_sync_values(dev->spi, rx_cfg->sync_pattern));
}
- if (rx_cfg->enable_address_filtering != filteringOff)
- {
+ if (rx_cfg->enable_address_filtering != filteringOff) {
SET_CHECKED(rf69_set_node_address (dev->spi, rx_cfg->node_address));
SET_CHECKED(rf69_set_broadcast_address(dev->spi, rx_cfg->broadcast_address));
}
@@ -259,12 +250,10 @@ rf69_set_tx_cfg(struct pi433_device *dev, struct pi433_tx_cfg *tx_cfg)
SET_CHECKED(rf69_set_tx_start_condition(dev->spi, tx_cfg->tx_start_condition));
/* packet format enable */
- if (tx_cfg->enable_preamble == optionOn)
- {
+ if (tx_cfg->enable_preamble == optionOn) {
SET_CHECKED(rf69_set_preamble_length(dev->spi, tx_cfg->preamble_length));
}
- else
- {
+ else {
SET_CHECKED(rf69_set_preamble_length(dev->spi, 0));
}
SET_CHECKED(rf69_set_sync_enable (dev->spi, tx_cfg->enable_sync));
@@ -336,8 +325,7 @@ pi433_receive(void *data)
/* wait for any tx to finish */
dev_dbg(dev->dev,"rx: going to wait for any tx to finish");
retval = wait_event_interruptible(dev->rx_wait_queue, !dev->tx_active);
- if(retval) /* wait was interrupted */
- {
+ if(retval) { /* wait was interrupted */
dev->interrupt_rx_allowed = true;
wake_up_interruptible(&dev->tx_wait_queue);
return retval;
@@ -354,8 +342,7 @@ pi433_receive(void *data)
return retval;
/* now check RSSI, if low wait for getting high (RSSI interrupt) */
- while ( !rf69_get_flag(dev->spi, rssiExceededThreshold) )
- {
+ while ( !rf69_get_flag(dev->spi, rssiExceededThreshold) ) {
/* allow tx to interrupt us while waiting for high RSSI */
dev->interrupt_rx_allowed = true;
wake_up_interruptible(&dev->tx_wait_queue);
@@ -378,25 +365,21 @@ pi433_receive(void *data)
irq_set_irq_type(dev->irq_num[DIO0], IRQ_TYPE_EDGE_RISING);
/* fixed or unlimited length? */
- if (dev->rx_cfg.fixed_message_length != 0)
- {
- if (dev->rx_cfg.fixed_message_length > dev->rx_buffer_size)
- {
+ if (dev->rx_cfg.fixed_message_length != 0) {
+ if (dev->rx_cfg.fixed_message_length > dev->rx_buffer_size) {
retval = -1;
goto abort;
}
bytes_total = dev->rx_cfg.fixed_message_length;
dev_dbg(dev->dev,"rx: msg len set to %d by fixed length", bytes_total);
}
- else
- {
+ else {
bytes_total = dev->rx_buffer_size;
dev_dbg(dev->dev, "rx: msg len set to %d as requested by read", bytes_total);
}
/* length byte enabled? */
- if (dev->rx_cfg.enable_length_byte == optionOn)
- {
+ if (dev->rx_cfg.enable_length_byte == optionOn) {
retval = wait_event_interruptible(dev->fifo_wait_queue,
dev->free_in_fifo < FIFO_SIZE);
if (retval) goto abort; /* wait was interrupted */
@@ -411,8 +394,7 @@ pi433_receive(void *data)
}
/* address byte enabled? */
- if (dev->rx_cfg.enable_address_filtering != filteringOff)
- {
+ if (dev->rx_cfg.enable_address_filtering != filteringOff) {
u8 dummy;
bytes_total--;
@@ -427,10 +409,8 @@ pi433_receive(void *data)
}
/* get payload */
- while (dev->rx_position < bytes_total)
- {
- if ( !rf69_get_flag(dev->spi, payloadReady) )
- {
+ while (dev->rx_position < bytes_total) {
+ if ( !rf69_get_flag(dev->spi, payloadReady) ) {
retval = wait_event_interruptible(dev->fifo_wait_queue,
dev->free_in_fifo < FIFO_SIZE);
if (retval) goto abort; /* wait was interrupted */
@@ -484,8 +464,7 @@ pi433_tx_thread(void *data)
int position, repetitions;
int retval;
- while (1)
- {
+ while (1) {
/* wait for fifo to be populated or for request to terminate*/
dev_dbg(device->dev, "thread: going to wait for new messages");
wait_event_interruptible(device->tx_wait_queue,
@@ -560,8 +539,7 @@ pi433_tx_thread(void *data)
disable_irq(device->irq_num[DIO0]);
device->tx_active = true;
- if (device->rx_active && rx_interrupted == false)
- {
+ if (device->rx_active && rx_interrupted == false) {
/* rx is currently waiting for a telegram;
* we need to set the radio module to standby
*/
@@ -572,12 +550,10 @@ pi433_tx_thread(void *data)
/* clear fifo, set fifo threshold, set payload length */
SET_CHECKED(rf69_set_mode(spi, standby)); /* this clears the fifo */
SET_CHECKED(rf69_set_fifo_threshold(spi, FIFO_THRESHOLD));
- if (tx_cfg.enable_length_byte == optionOn)
- {
+ if (tx_cfg.enable_length_byte == optionOn) {
SET_CHECKED(rf69_set_payload_length(spi, size * tx_cfg.repetitions));
}
- else
- {
+ else {
SET_CHECKED(rf69_set_payload_length(spi, 0));
}
@@ -602,10 +578,9 @@ pi433_tx_thread(void *data)
device->free_in_fifo = FIFO_SIZE;
position = 0;
repetitions = tx_cfg.repetitions;
- while( (repetitions > 0) && (size > position) )
- {
- if ( (size - position) > device->free_in_fifo)
- { /* msg to big for fifo - take a part */
+ while( (repetitions > 0) && (size > position) ) {
+ if ( (size - position) > device->free_in_fifo) {
+ /* msg to big for fifo - take a part */
int temp = device->free_in_fifo;
device->free_in_fifo = 0;
rf69_write_fifo(spi,
@@ -613,8 +588,8 @@ pi433_tx_thread(void *data)
temp);
position +=temp;
}
- else
- { /* msg fits into fifo - take all */
+ else {
+ /* msg fits into fifo - take all */
device->free_in_fifo -= size;
repetitions--;
rf69_write_fifo(spi,
@@ -643,8 +618,7 @@ pi433_tx_thread(void *data)
/* everything sent? */
if (kfifo_is_empty(&device->tx_fifo)) {
abort:
- if (rx_interrupted)
- {
+ if (rx_interrupted) {
rx_interrupted = false;
pi433_start_rx(device);
}
@@ -673,13 +647,11 @@ pi433_read(struct file *filp, char __user *buf, size_t size, loff_t *f_pos)
/* just one read request at a time */
mutex_lock(&device->rx_lock);
- if (device->rx_active)
- {
+ if (device->rx_active) {
mutex_unlock(&device->rx_lock);
return -EAGAIN;
}
- else
- {
+ else {
device->rx_active = true;
mutex_unlock(&device->rx_lock);
}
@@ -904,8 +876,7 @@ static int setup_GPIOs(struct pi433_device *device)
DIO1_irq_handler
};
- for (i=0; i<NUM_DIO; i++)
- {
+ for (i=0; i<NUM_DIO; i++) {
/* "construct" name and get the gpio descriptor */
snprintf(name, sizeof(name), "DIO%d", i);
device->gpiod[i] = gpiod_get(&device->spi->dev, name, 0 /*GPIOD_IN*/);
@@ -918,12 +889,10 @@ static int setup_GPIOs(struct pi433_device *device)
if (device->gpiod[i] == ERR_PTR(-EBUSY))
dev_dbg(&device->spi->dev, "%s is busy.", name);
- if ( IS_ERR(device->gpiod[i]) )
- {
+ if ( IS_ERR(device->gpiod[i]) ) {
retval = PTR_ERR(device->gpiod[i]);
/* release already allocated gpios */
- for (i--; i>=0; i--)
- {
+ for (i--; i>=0; i--) {
free_irq(device->irq_num[i], device);
gpiod_put(device->gpiod[i]);
}
@@ -962,8 +931,7 @@ static void free_GPIOs(struct pi433_device *device)
{
int i;
- for (i=0; i<NUM_DIO; i++)
- {
+ for (i=0; i<NUM_DIO; i++) {
/* check if gpiod is valid */
if ( IS_ERR(device->gpiod[i]) )
continue;
@@ -1027,13 +995,11 @@ static int pi433_probe(struct spi_device *spi)
/* spi->max_speed_hz = 10000000; 1MHz already set by device tree overlay */
retval = spi_setup(spi);
- if (retval)
- {
+ if (retval) {
dev_dbg(&spi->dev, "configuration of SPI interface failed!\n");
return retval;
}
- else
- {
+ else {
dev_dbg(&spi->dev,
"spi interface setup: mode 0x%2x, %d bits per word, %dhz max speed",
spi->mode, spi->bits_per_word, spi->max_speed_hz);
--
2.11.0
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