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Message-Id: <9a47b8bddc209dfe747929e02b5f2c2b07288cbb.1540782140.git.post@steffenvogel.de>
Date: Mon, 29 Oct 2018 04:03:34 +0100
From: Steffen Vogel <post@...ffenvogel.de>
To: linux-kernel@...r.kernel.org
Cc: Evgeniy Polyakov <zbr@...emap.net>, Joe Perches <joe@...ches.com>,
Steffen Vogel <post@...ffenvogel.de>
Subject: [PATCH v2 04/12] w1: cleanup whitespaces according to coding style document
These changes fix several warnings emitted by the checkpatch tool.
Signed-off-by: Steffen Vogel <post@...ffenvogel.de>
---
drivers/w1/w1.c | 38 +++++++++++++++++++-------------------
drivers/w1/w1_family.c | 2 +-
drivers/w1/w1_io.c | 40 +++++++++++++++++++++-------------------
drivers/w1/w1_netlink.c | 8 ++++----
4 files changed, 45 insertions(+), 43 deletions(-)
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 48c20639f75f..184df1fe216b 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -416,7 +416,7 @@ static ssize_t w1_master_attribute_show_add(struct device *dev,
{
int c = PAGE_SIZE;
- c -= snprintf(buf+PAGE_SIZE - c, c,
+ c -= snprintf(buf + PAGE_SIZE - c, c,
"write device id xx-xxxxxxxxxxxx to add slave\n");
return PAGE_SIZE - c;
@@ -517,7 +517,7 @@ static ssize_t w1_master_attribute_show_remove(struct device *dev,
{
int c = PAGE_SIZE;
- c -= snprintf(buf+PAGE_SIZE - c, c,
+ c -= snprintf(buf + PAGE_SIZE - c, c,
"write device id xx-xxxxxxxxxxxx to remove slave\n");
return PAGE_SIZE - c;
@@ -785,7 +785,7 @@ int w1_attach_slave_device(struct w1_master *dev, struct w1_reg_num *rn)
spin_lock(&w1_flock);
f = w1_family_registered(rn->family);
if (!f) {
- f= &w1_default_family;
+ f = &w1_default_family;
dev_info(&dev->dev, "Family %x for %02x.%012llx.%02x is not registered.\n",
rn->family, rn->family,
(unsigned long long)rn->id, rn->crc);
@@ -880,7 +880,7 @@ struct w1_master *w1_search_master_id(u32 id)
}
mutex_unlock(&w1_mlock);
- return (found)?dev:NULL;
+ return found ? dev : NULL;
}
struct w1_slave *w1_search_slave(struct w1_reg_num *id)
@@ -909,7 +909,7 @@ struct w1_slave *w1_search_slave(struct w1_reg_num *id)
}
mutex_unlock(&w1_mlock);
- return (found)?sl:NULL;
+ return found ? sl : NULL;
}
void w1_reconnect_slaves(struct w1_family *f, int attach)
@@ -960,7 +960,7 @@ void w1_slave_found(struct w1_master *dev, u64 rn)
atomic_inc(&dev->refcnt);
- tmp = (struct w1_reg_num *) &rn;
+ tmp = (struct w1_reg_num *)&rn;
sl = w1_slave_search_device(dev, tmp);
if (sl) {
@@ -1007,12 +1007,11 @@ void w1_search(struct w1_master *dev, u8 search_type,
desc_bit = 64;
- while ( !last_device && (slave_count++ < dev->max_slave_count) ) {
+ while (!last_device && (slave_count++ < dev->max_slave_count)) {
last_rn = rn;
rn = 0;
- /*
- * Reset bus and all 1-wire device state machines
+ /* Reset bus and all 1-wire device state machines
* so they can respond to our requests.
*
* Return 0 - device(s) present, 1 - no devices present.
@@ -1059,7 +1058,7 @@ void w1_search(struct w1_master *dev, u8 search_type,
triplet_ret = w1_triplet(dev, search_bit);
/* quit if no device responded */
- if ( (triplet_ret & 0x03) == 0x03 )
+ if ((triplet_ret & 0x03) == 0x03)
break;
/* If both directions were valid, and we took the 0 path */
@@ -1078,13 +1077,14 @@ void w1_search(struct w1_master *dev, u8 search_type,
}
mutex_unlock(&dev->bus_mutex);
- if ( (triplet_ret & 0x03) != 0x03 ) {
- if ((desc_bit == last_zero) || (last_zero < 0)) {
+ if ((triplet_ret & 0x03) != 0x03) {
+ if (desc_bit == last_zero || last_zero < 0) {
last_device = 1;
dev->search_id = 0;
} else {
dev->search_id = rn;
}
+
desc_bit = last_zero;
cb(dev, rn);
}
@@ -1123,9 +1123,9 @@ void w1_search_process_cb(struct w1_master *dev, u8 search_type,
mutex_unlock(&dev->list_mutex);
w1_slave_detach(sl);
mutex_lock(&dev->list_mutex);
- }
- else if (test_bit(W1_SLAVE_ACTIVE, &sl->flags))
+ } else if (test_bit(W1_SLAVE_ACTIVE, &sl->flags)) {
sl->ttl = dev->slave_ttl;
+ }
}
mutex_unlock(&dev->list_mutex);
@@ -1156,7 +1156,8 @@ int w1_process_callbacks(struct w1_master *dev)
list_for_each_entry_safe(async_cmd, async_n, &dev->async_list,
async_entry) {
/* drop the lock, if it is a search it can take a long
- * time */
+ * time
+ */
mutex_unlock(&dev->list_mutex);
async_cmd->cb(dev, async_cmd);
ret = 1;
@@ -1169,7 +1170,7 @@ int w1_process_callbacks(struct w1_master *dev)
int w1_process(void *data)
{
- struct w1_master *dev = (struct w1_master *) data;
+ struct w1_master *dev = (struct w1_master *)data;
/* As long as w1_timeout is only set by a module parameter the sleep
* time can be calculated in jiffies once.
*/
@@ -1179,7 +1180,6 @@ int w1_process(void *data)
unsigned long jremain = 0;
for (;;) {
-
if (!jremain && dev->search_count) {
mutex_lock(&dev->mutex);
w1_search_process(dev, W1_SEARCH);
@@ -1213,9 +1213,9 @@ int w1_process(void *data)
if (!jremain)
jremain = jtime;
jremain = schedule_timeout(jremain);
- }
- else
+ } else {
schedule();
+ }
}
atomic_dec(&dev->refcnt);
diff --git a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
index f351defbef23..e41e7c375fd2 100644
--- a/drivers/w1/w1_family.c
+++ b/drivers/w1/w1_family.c
@@ -83,7 +83,7 @@ EXPORT_SYMBOL(w1_unregister_family);
/*
* Should be called under w1_flock held.
*/
-struct w1_family * w1_family_registered(u8 fid)
+struct w1_family *w1_family_registered(u8 fid)
{
struct list_head *ent, *n;
struct w1_family *f = NULL;
diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
index caf07bda18d1..688778cccf65 100644
--- a/drivers/w1/w1_io.c
+++ b/drivers/w1/w1_io.c
@@ -53,12 +53,13 @@ u8 w1_touch_bit(struct w1_master *dev, int bit)
{
if (dev->bus_master->touch_bit)
return dev->bus_master->touch_bit(dev->bus_master->data, bit);
- else if (bit)
+
+ if (bit)
return w1_read_bit(dev);
- else {
- w1_write_bit(dev, 0);
- return 0;
- }
+
+ w1_write_bit(dev, 0);
+
+ return 0;
}
EXPORT_SYMBOL_GPL(w1_touch_bit);
@@ -140,18 +141,17 @@ void w1_write_8(struct w1_master *dev, u8 byte)
if (dev->bus_master->write_byte) {
w1_pre_write(dev);
dev->bus_master->write_byte(dev->bus_master->data, byte);
- }
- else
+ } else {
for (i = 0; i < 8; ++i) {
if (i == 7)
w1_pre_write(dev);
w1_touch_bit(dev, (byte >> i) & 0x1);
}
+ }
w1_post_write(dev);
}
EXPORT_SYMBOL_GPL(w1_write_8);
-
/**
* w1_read_bit() - Generates a write-1 cycle and samples the level.
* @dev: the master device
@@ -234,11 +234,12 @@ u8 w1_read_8(struct w1_master *dev)
int i;
u8 res = 0;
- if (dev->bus_master->read_byte)
+ if (dev->bus_master->read_byte) {
res = dev->bus_master->read_byte(dev->bus_master->data);
- else
+ } else {
for (i = 0; i < 8; ++i)
- res |= (w1_touch_bit(dev,1) << i);
+ res |= (w1_touch_bit(dev, 1) << i);
+ }
return res;
}
@@ -257,10 +258,10 @@ void w1_write_block(struct w1_master *dev, const u8 *buf, int len)
if (dev->bus_master->write_block) {
w1_pre_write(dev);
dev->bus_master->write_block(dev->bus_master->data, buf, len);
- }
- else
+ } else {
for (i = 0; i < len; ++i)
w1_write_8(dev, buf[i]); /* calls w1_pre_write */
+ }
w1_post_write(dev);
}
EXPORT_SYMBOL_GPL(w1_write_block);
@@ -327,9 +328,9 @@ int w1_reset_bus(struct w1_master *dev)
if (w1_disable_irqs)
local_irq_save(flags);
- if (dev->bus_master->reset_bus)
+ if (dev->bus_master->reset_bus) {
result = dev->bus_master->reset_bus(dev->bus_master->data) & 0x1;
- else {
+ } else {
dev->bus_master->write_bit(dev->bus_master->data, 0);
/* minimum 480, max ? us
* be nice and sleep, except 18b20 spec lists 960us maximum,
@@ -358,7 +359,7 @@ int w1_reset_bus(struct w1_master *dev)
}
EXPORT_SYMBOL_GPL(w1_reset_bus);
-u8 w1_calc_crc8(u8 * data, int len)
+u8 w1_calc_crc8(u8 *data, int len)
{
u8 crc = 0;
@@ -396,15 +397,16 @@ int w1_reset_select_slave(struct w1_slave *sl)
if (w1_reset_bus(sl->master))
return -1;
- if (sl->master->slave_count == 1)
+ if (sl->master->slave_count == 1) {
w1_write_8(sl->master, W1_SKIP_ROM);
- else {
+ } else {
u8 match[9] = {W1_MATCH_ROM, };
- u64 rn = le64_to_cpu(*((u64*)&sl->reg_num));
+ u64 rn = le64_to_cpu(*((u64 *)&sl->reg_num));
memcpy(&match[1], &rn, 8);
w1_write_block(sl->master, match, 9);
}
+
return 0;
}
EXPORT_SYMBOL_GPL(w1_reset_select_slave);
diff --git a/drivers/w1/w1_netlink.c b/drivers/w1/w1_netlink.c
index 5e7adc76f643..9952c99aa3fc 100644
--- a/drivers/w1/w1_netlink.c
+++ b/drivers/w1/w1_netlink.c
@@ -35,6 +35,7 @@ struct w1_cb_block {
* reply first_cn, data (w1_netlink_msg and w1_netlink_cmd)
*/
};
+
struct w1_cb_node {
struct w1_async_cmd async;
/* pointers within w1_cb_block and cn data */
@@ -178,7 +179,7 @@ static void w1_netlink_queue_status(struct w1_cb_block *block,
block->msg->status = (u8)-error;
if (req_cmd) {
struct w1_netlink_cmd *cmd =
- (struct w1_netlink_cmd *) block->msg->data;
+ (struct w1_netlink_cmd *)block->msg->data;
memcpy(cmd, req_cmd, sizeof(*cmd));
block->cn->len += sizeof(*cmd);
@@ -400,7 +401,7 @@ static int w1_process_command_slave(struct w1_slave *sl,
{
dev_dbg(&sl->master->dev, "%s: %02x.%012llx.%02x: cmd=%02x, len=%u.\n",
__func__, sl->reg_num.family,
- (unsigned long long) sl->reg_num.id, sl->reg_num.crc, cmd->cmd,
+ (unsigned long long)sl->reg_num.id, sl->reg_num.crc, cmd->cmd,
cmd->len);
return w1_process_command_io(sl->master, cmd);
@@ -608,7 +609,7 @@ static void w1_cn_callback(struct cn_msg *cn, struct netlink_skb_parms *nsp)
* space for replies which is the original message size plus
* space for any list slave data and status messages
* cn->len doesn't include itself which is part of the block
- * */
+ */
size = /* block + original message */
sizeof(struct w1_cb_block) + sizeof(*cn) + cn->len +
/* space for nodes */
@@ -645,7 +646,6 @@ static void w1_cn_callback(struct cn_msg *cn, struct netlink_skb_parms *nsp)
msg_len = cn->len;
while (msg_len && !err) {
-
dev = NULL;
sl = NULL;
--
2.11.0
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