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Subject[PATCH 1/1] drivers: staging: nvec: fixed checkpatch warnings in nvec.c/h.
Date
Fixed checkpatch warnings regarding general coding style issues in
nvec.c and nvec.h

Signed-off-by: Pelle Windestam <iceaway@gmail.com>
---
drivers/staging/nvec/nvec.c | 157 ++++++++++++++++++++++--------------------
drivers/staging/nvec/nvec.h | 17 +++--
2 files changed, 93 insertions(+), 81 deletions(-)

diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index 72258e8..1dcaa98 100644
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -1,10 +1,10 @@
-// #define DEBUG
+/* #define DEBUG */

/* ToDo list (incomplete, unorderd)
- convert mouse, keyboard, and power to platform devices
*/

-#include <asm/io.h>
+#include <linux/io.h>
#include <asm/irq.h>
#include <linux/completion.h>
#include <linux/interrupt.h>
@@ -24,9 +24,9 @@
#include <linux/platform_device.h>
#include "nvec.h"

-static unsigned char EC_DISABLE_EVENT_REPORTING[] = {'\x04','\x00','\x00'};
-static unsigned char EC_ENABLE_EVENT_REPORTING[] = {'\x04','\x00','\x01'};
-static unsigned char EC_GET_FIRMWARE_VERSION[] = {'\x07','\x15'};
+static unsigned char EC_DISABLE_EVENT_REPORTING[] = { '\x04', '\x00', '\x00' };
+static unsigned char EC_ENABLE_EVENT_REPORTING[] = { '\x04', '\x00', '\x01' };
+static unsigned char EC_GET_FIRMWARE_VERSION[] = { '\x07', '\x15' };

static struct nvec_chip *nvec_power_handle;

@@ -37,13 +37,14 @@ int nvec_register_notifier(struct nvec_chip *nvec, struct notifier_block *nb,
}
EXPORT_SYMBOL_GPL(nvec_register_notifier);

-static int nvec_status_notifier(struct notifier_block *nb, unsigned long event_type,
+static int nvec_status_notifier(struct notifier_block *nb,
+ unsigned long event_type,
void *data)
{
unsigned char *msg = (unsigned char *)data;
int i;

- if(event_type != NVEC_CNTL)
+ if (event_type != NVEC_CNTL)
return NOTIFY_DONE;

printk("unhandled msg type %ld, payload: ", event_type);
@@ -75,42 +76,45 @@ static void nvec_request_master(struct work_struct *work)
{
struct nvec_chip *nvec = container_of(work, struct nvec_chip, tx_work);

- if(!list_empty(&nvec->tx_data)) {
+ if (!list_empty(&nvec->tx_data))
gpio_set_value(nvec->gpio, 0);
- }
}

static int parse_msg(struct nvec_chip *nvec, struct nvec_msg *msg)
{
int i;

- if((msg->data[0] & 1<<7) == 0 && msg->data[3]) {
- dev_err(nvec->dev, "ec responded %02x %02x %02x %02x\n", msg->data[0],
- msg->data[1], msg->data[2], msg->data[3]);
+ if ((msg->data[0] & 1<<7) == 0 && msg->data[3]) {
+ dev_err(nvec->dev, "ec responded %02x %02x %02x %02x\n",
+ msg->data[0], msg->data[1],
+ msg->data[2], msg->data[3]);
return -EINVAL;
}

- if ((msg->data[0] >> 7 ) == 1 && (msg->data[0] & 0x0f) == 5)
- {
+ if ((msg->data[0] >> 7) == 1 && (msg->data[0] & 0x0f) == 5) {
dev_warn(nvec->dev, "ec system event ");
- for (i=0; i < msg->data[1]; i++)
+ for (i = 0; i < msg->data[1]; i++)
dev_warn(nvec->dev, "%02x ", msg->data[2+i]);
dev_warn(nvec->dev, "\n");
}

- atomic_notifier_call_chain(&nvec->notifier_list, msg->data[0] & 0x8f, msg->data);
+ atomic_notifier_call_chain(&nvec->notifier_list, msg->data[0] & 0x8f,
+ msg->data);

return 0;
}

-static struct nvec_msg *nvec_write_sync(struct nvec_chip *nvec, unsigned char *data, short size)
+static struct nvec_msg *nvec_write_sync(struct nvec_chip *nvec,
+ unsigned char *data,
+ short size)
{
down(&nvec->sync_write_mutex);

nvec->sync_write_pending = (data[1] << 8) + data[0];
nvec_write_async(nvec, data, size);

- dev_dbg(nvec->dev, "nvec_sync_write: 0x%04x\n", nvec->sync_write_pending);
+ dev_dbg(nvec->dev, "nvec_sync_write: 0x%04x\n",
+ nvec->sync_write_pending);
wait_for_completion(&nvec->sync_write);
dev_dbg(nvec->dev, "nvec_sync_write: pong!\n");

@@ -125,20 +129,19 @@ static void nvec_dispatch(struct work_struct *work)
struct nvec_chip *nvec = container_of(work, struct nvec_chip, rx_work);
struct nvec_msg *msg;

- while(!list_empty(&nvec->rx_data))
- {
+ while (!list_empty(&nvec->rx_data)) {
msg = list_first_entry(&nvec->rx_data, struct nvec_msg, node);
list_del_init(&msg->node);

- if(nvec->sync_write_pending == (msg->data[2] << 8) + msg->data[0])
- {
+ if (nvec->sync_write_pending ==
+ (msg->data[2] << 8) + msg->data[0]) {
dev_dbg(nvec->dev, "sync write completed!\n");
nvec->sync_write_pending = 0;
nvec->last_sync_msg = msg;
complete(&nvec->sync_write);
} else {
parse_msg(nvec, msg);
- if((!msg) || (!msg->data))
+ if ((!msg) || (!msg->data))
dev_warn(nvec->dev, "attempt access zero pointer");
else {
kfree(msg->data);
@@ -159,20 +162,19 @@ static irqreturn_t i2c_interrupt(int irq, void *dev)

status = readl(i2c_regs + I2C_SL_STATUS);

- if(!(status & I2C_SL_IRQ))
- {
+ if (!(status & I2C_SL_IRQ)) {
dev_warn(nvec->dev, "nvec Spurious IRQ\n");
- //Yup, handled. ahum.
+ /* Yup, handled. ahum. */
goto handled;
}
- if(status & END_TRANS && !(status & RCVD))
- {
- //Reenable IRQ only when even has been sent
- //printk("Write sequence ended !\n");
- //parse_msg(nvec);
+ if (status & END_TRANS && !(status & RCVD)) {
+ /*
+ * Reenable IRQ only when even has been sent
+ * printk("Write sequence ended !\n")
+ * parse_msg(nvec);
+ */
nvec->state = NVEC_WAIT;
- if(nvec->rx->size > 1)
- {
+ if (nvec->rx->size > 1) {
list_add_tail(&nvec->rx->node, &nvec->rx_data);
schedule_work(&nvec->rx_work);
} else {
@@ -180,41 +182,45 @@ static irqreturn_t i2c_interrupt(int irq, void *dev)
kfree(nvec->rx);
}
return IRQ_HANDLED;
- } else if(status & RNW)
- {
- // Work around for AP20 New Slave Hw Bug. Give 1us extra.
- // nvec/smbus/nvec_i2c_transport.c in NV`s crap for reference
- if(status & RCVD)
+ } else if (status & RNW) {
+ /*
+ * Work around for AP20 New Slave Hw Bug. Give 1us extra.
+ * nvec/smbus/nvec_i2c_transport.c in NV`s crap for reference
+ */
+ if (status & RCVD)
udelay(3);

- if(status & RCVD)
- {
+ if (status & RCVD) {
nvec->state = NVEC_WRITE;
- //Master wants something from us. New communication
-// dev_dbg(nvec->dev, "New read comm!\n");
+ /* Master wants something from us. New communication */
+ /* dev_dbg(nvec->dev, "New read comm!\n"); */
} else {
- //Master wants something from us from a communication we've already started
-// dev_dbg(nvec->dev, "Read comm cont !\n");
+ /*
+ * Master wants something from us from a communication
+ * we've already started
+ */
+ /* dev_dbg(nvec->dev, "Read comm cont !\n"); */
}
- //if(msg_pos<msg_size) {
- if(list_empty(&nvec->tx_data))
- {
+ /* if(msg_pos<msg_size) { */
+ if (list_empty(&nvec->tx_data)) {
dev_err(nvec->dev, "nvec empty tx - sending no-op\n");
to_send = 0x8a;
nvec_write_async(nvec, "\x07\x02", 2);
-// to_send = 0x01;
+ /* to_send = 0x01; */
} else {
- msg = list_first_entry(&nvec->tx_data, struct nvec_msg, node);
- if(msg->pos < msg->size) {
+ msg = list_first_entry(&nvec->tx_data,
+ struct nvec_msg,
+ node);
+ if (msg->pos < msg->size) {
to_send = msg->data[msg->pos];
msg->pos++;
} else {
- dev_err(nvec->dev, "nvec crap! %d\n", msg->size);
+ dev_err(nvec->dev, "nvec crap! %d\n",
+ msg->size);
to_send = 0x01;
}

- if(msg->pos >= msg->size)
- {
+ if (msg->pos >= msg->size) {
list_del_init(&msg->node);
kfree(msg->data);
kfree(msg);
@@ -231,14 +237,13 @@ static irqreturn_t i2c_interrupt(int irq, void *dev)
goto handled;
} else {
received = readl(i2c_regs + I2C_SL_RCVD);
- //Workaround?
- if(status & RCVD) {
+ /* Workaround? */
+ if (status & RCVD) {
writel(0, i2c_regs + I2C_SL_RCVD);
goto handled;
}

- if (nvec->state == NVEC_WAIT)
- {
+ if (nvec->state == NVEC_WAIT) {
nvec->state = NVEC_READ;
msg = kzalloc(sizeof(struct nvec_msg), GFP_NOWAIT);
msg->data = kzalloc(32, GFP_NOWAIT);
@@ -252,13 +257,15 @@ static irqreturn_t i2c_interrupt(int irq, void *dev)
msg->data[msg->pos] = received;
msg->pos++;
msg->size = msg->pos;
- dev_dbg(nvec->dev, "Got %02lx from Master (pos: %d)!\n", received, msg->pos);
+ dev_dbg(nvec->dev, "Got %02lx from Master (pos: %d)!\n",
+ received, msg->pos);
}
handled:
return IRQ_HANDLED;
}

-static int __devinit nvec_add_subdev(struct nvec_chip *nvec, struct nvec_subdev *subdev)
+static int __devinit nvec_add_subdev(struct nvec_chip *nvec,
+ struct nvec_subdev *subdev)
{
struct platform_device *pdev;

@@ -269,8 +276,9 @@ static int __devinit nvec_add_subdev(struct nvec_chip *nvec, struct nvec_subdev
return platform_device_add(pdev);
}

-static void tegra_init_i2c_slave(struct nvec_platform_data *pdata, unsigned char *i2c_regs,
- struct clk *i2c_clk)
+static void tegra_init_i2c_slave(struct nvec_platform_data *pdata,
+ unsigned char *i2c_regs,
+ struct clk *i2c_clk)
{
u32 val;

@@ -307,7 +315,7 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev)
unsigned char *i2c_regs;

nvec = kzalloc(sizeof(struct nvec_chip), GFP_KERNEL);
- if(nvec == NULL) {
+ if (nvec == NULL) {
dev_err(&pdev->dev, "failed to reserve memory\n");
return -ENOMEM;
}
@@ -324,7 +332,7 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev)
clk_enable(i2c_clk);
*/
i2c_regs = ioremap(pdata->base, pdata->size);
- if(!i2c_regs) {
+ if (!i2c_regs) {
dev_err(nvec->dev, "failed to ioremap registers\n");
goto failed;
}
@@ -332,15 +340,16 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev)
nvec->i2c_regs = i2c_regs;

i2c_clk = clk_get_sys(pdata->clock, NULL);
- if(IS_ERR_OR_NULL(i2c_clk)) {
+ if (IS_ERR_OR_NULL(i2c_clk)) {
dev_err(nvec->dev, "failed to get clock tegra-i2c.2\n");
goto failed;
}

tegra_init_i2c_slave(pdata, i2c_regs, i2c_clk);

- err = request_irq(nvec->irq, i2c_interrupt, IRQF_DISABLED, "nvec", nvec);
- if(err) {
+ err = request_irq(nvec->irq, i2c_interrupt, IRQF_DISABLED, "nvec",
+ nvec);
+ if (err) {
dev_err(nvec->dev, "couldn't request irq");
goto failed;
}
@@ -350,7 +359,7 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev)

/* Set the gpio to low when we've got something to say */
err = gpio_request(nvec->gpio, "nvec gpio");
- if(err < 0)
+ if (err < 0)
dev_err(nvec->dev, "couldn't request gpio\n");

tegra_gpio_enable(nvec->gpio);
@@ -375,10 +384,9 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev)
nvec_ps2(nvec);
#endif

- /* setup subdevs */
- for (i = 0; i < pdata->num_subdevs; i++) {
+ /* setup subdevs */
+ for (i = 0; i < pdata->num_subdevs; i++)
ret = nvec_add_subdev(nvec, &pdata->subdevs[i]);
- }

nvec->nvec_status_notifier.notifier_call = nvec_status_notifier;
nvec_register_notifier(nvec, &nvec->nvec_status_notifier, 0);
@@ -414,7 +422,7 @@ failed:

static int __devexit tegra_nvec_remove(struct platform_device *pdev)
{
- // TODO: unregister
+ /* TODO: unregister */
return 0;
}

@@ -431,8 +439,8 @@ static int tegra_nvec_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}

-static int tegra_nvec_resume(struct platform_device *pdev) {
-
+static int tegra_nvec_resume(struct platform_device *pdev)
+{
struct nvec_chip *nvec = platform_get_drvdata(pdev);

dev_dbg(nvec->dev, "resuming\n");
@@ -446,8 +454,7 @@ static int tegra_nvec_resume(struct platform_device *pdev) {
#define tegra_nvec_resume NULL
#endif

-static struct platform_driver nvec_device_driver =
-{
+static struct platform_driver nvec_device_driver = {
.probe = tegra_nvec_probe,
.remove = __devexit_p(tegra_nvec_remove),
.suspend = tegra_nvec_suspend,
diff --git a/drivers/staging/nvec/nvec.h b/drivers/staging/nvec/nvec.h
index a2d82dc..1f77758 100644
--- a/drivers/staging/nvec/nvec.h
+++ b/drivers/staging/nvec/nvec.h
@@ -16,7 +16,7 @@ typedef enum {
} how_care;

typedef enum {
- NVEC_SYS=1,
+ NVEC_SYS = 1,
NVEC_BAT,
NVEC_KBD = 5,
NVEC_PS2,
@@ -26,9 +26,9 @@ typedef enum {
} nvec_event;

typedef enum {
- NVEC_WAIT,
- NVEC_READ,
- NVEC_WRITE
+ NVEC_WAIT,
+ NVEC_READ,
+ NVEC_WRITE
} nvec_state;

struct nvec_msg {
@@ -74,7 +74,9 @@ struct nvec_chip {
struct nvec_msg *last_sync_msg;
};

-extern void nvec_write_async(struct nvec_chip *nvec, unsigned char *data, short size);
+extern void nvec_write_async(struct nvec_chip *nvec,
+ unsigned char *data,
+ short size);

extern int nvec_register_notifier(struct nvec_chip *nvec,
struct notifier_block *nb, unsigned int events);
@@ -82,7 +84,10 @@ extern int nvec_register_notifier(struct nvec_chip *nvec,
extern int nvec_unregister_notifier(struct device *dev,
struct notifier_block *nb, unsigned int events);

-const char *nvec_send_msg(unsigned char *src, unsigned char *dst_size, how_care care_resp, void (*rt_handler)(unsigned char *data));
+const char *nvec_send_msg(unsigned char *src,
+ unsigned char *dst_size,
+ how_care care_resp,
+ void (*rt_handler)(unsigned char *data));

extern int nvec_ps2(struct nvec_chip *nvec);
extern int nvec_kbd_init(struct nvec_chip *nvec);
--
1.7.3.4


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