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提交 d32ccc43 编写于 作者: M Matthew Martin 提交者： Adrian Bunk
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parport: Remove space in function calls 

This removes the space in function calls in drivers/parport/daisy.c
Signed-off-by: NMatthew Martin <lihnucks@gmail.com>
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
上级 f66e928b
隐藏空白更改
内联 并排
Showing with 106 addition and 106 deletion
drivers/parport/daisy.c
浏览文件 @ d32ccc43
......@@ -30,7 +30,7 @@
#undef DEBUG
#ifdef DEBUG
#define DPRINTK(stuff...) printk (stuff)
#define DPRINTK(stuff...) printk(stuff)
#else
#define DPRINTK(stuff...)
#endif
......@@ -46,16 +46,16 @@ static DEFINE_SPINLOCK(topology_lock);
static int numdevs = 0;
/* Forward-declaration of lower-level functions. */
static int mux_present (struct parport *port);
static int num_mux_ports (struct parport *port);
static int select_port (struct parport *port);
static int assign_addrs (struct parport *port);
static int mux_present(struct parport *port);
static int num_mux_ports(struct parport *port);
static int select_port(struct parport *port);
static int assign_addrs(struct parport *port);
/* Add a device to the discovered topology. */
static void add_dev (int devnum, struct parport *port, int daisy)
static void add_dev(int devnum, struct parport *port, int daisy)
{
struct daisydev *newdev, **p;
newdev = kmalloc (sizeof (struct daisydev), GFP_KERNEL);
newdev = kmalloc(sizeof(struct daisydev), GFP_KERNEL);
if (newdev) {
newdev->port = port;
newdev->daisy = daisy;
......@@ -70,9 +70,9 @@ static void add_dev (int devnum, struct parport *port, int daisy)
}
/* Clone a parport (actually, make an alias). */
static struct parport *clone_parport (struct parport *real, int muxport)
static struct parport *clone_parport(struct parport *real, int muxport)
{
struct parport *extra = parport_register_port (real->base,
struct parport *extra = parport_register_port(real->base,
real->irq,
real->dma,
real->ops);
......@@ -88,7 +88,7 @@ static struct parport *clone_parport (struct parport *real, int muxport)
/* Discover the IEEE1284.3 topology on a port -- muxes and daisy chains.
* Return value is number of devices actually detected. */
int parport_daisy_init (struct parport *port)
int parport_daisy_init(struct parport *port)
{
int detected = 0;
char *deviceid;
......@@ -103,26 +103,26 @@ int parport_daisy_init (struct parport *port)
/* If mux present on normal port, need to create new
* parports for each extra port. */
if (port->muxport < 0 && mux_present (port) &&
if (port->muxport < 0 && mux_present(port) &&
/* don't be fooled: a mux must have 2 or 4 ports. */
((num_ports = num_mux_ports (port)) == 2 || num_ports == 4)) {
((num_ports = num_mux_ports(port)) == 2 || num_ports == 4)) {
/* Leave original as port zero. */
port->muxport = 0;
printk (KERN_INFO
printk(KERN_INFO
"%s: 1st (default) port of %d-way multiplexor\n",
port->name, num_ports);
for (i = 1; i < num_ports; i++) {
/* Clone the port. */
struct parport *extra = clone_parport (port, i);
struct parport *extra = clone_parport(port, i);
if (!extra) {
if (signal_pending (current))
if (signal_pending(current))
break;
schedule ();
schedule();
continue;
}
printk (KERN_INFO
printk(KERN_INFO
"%s: %d%s port of %d-way multiplexor on %s\n",
extra->name, i + 1, th[i + 1], num_ports,
port->name);
......@@ -135,34 +135,34 @@ int parport_daisy_init (struct parport *port)
}
if (port->muxport >= 0)
select_port (port);
select_port(port);
parport_daisy_deselect_all (port);
detected += assign_addrs (port);
parport_daisy_deselect_all(port);
detected += assign_addrs(port);
/* Count the potential legacy device at the end. */
add_dev (numdevs++, port, -1);
add_dev(numdevs++, port, -1);
/* Find out the legacy device's IEEE 1284 device ID. */
deviceid = kmalloc (1024, GFP_KERNEL);
deviceid = kmalloc(1024, GFP_KERNEL);
if (deviceid) {
if (parport_device_id (numdevs - 1, deviceid, 1024) > 2)
if (parport_device_id(numdevs - 1, deviceid, 1024) > 2)
detected++;
kfree (deviceid);
kfree(deviceid);
}
if (!detected && !last_try) {
/* No devices were detected. Perhaps they are in some
funny state; let's try to reset them and see if
they wake up. */
parport_daisy_fini (port);
parport_write_control (port, PARPORT_CONTROL_SELECT);
udelay (50);
parport_write_control (port,
parport_daisy_fini(port);
parport_write_control(port, PARPORT_CONTROL_SELECT);
udelay(50);
parport_write_control(port,
PARPORT_CONTROL_SELECT |
PARPORT_CONTROL_INIT);
udelay (50);
udelay(50);
last_try = 1;
goto again;
}
......@@ -171,7 +171,7 @@ int parport_daisy_init (struct parport *port)
}
/* Forget about devices on a physical port. */
void parport_daisy_fini (struct parport *port)
void parport_daisy_fini(struct parport *port)
{
struct daisydev **p;
......@@ -214,7 +214,7 @@ void parport_daisy_fini (struct parport *port)
* for parport_register_device().
**/
struct pardevice *parport_open (int devnum, const char *name,
struct pardevice *parport_open(int devnum, const char *name,
int (*pf) (void *), void (*kf) (void *),
void (*irqf) (int, void *, struct pt_regs *),
int flags, void *handle)
......@@ -237,7 +237,7 @@ struct pardevice *parport_open (int devnum, const char *name,
port = parport_get_port(p->port);
spin_unlock(&topology_lock);
dev = parport_register_device (port, name, pf, kf,
dev = parport_register_device(port, name, pf, kf,
irqf, flags, handle);
parport_put_port(port);
if (!dev)
......@@ -248,13 +248,13 @@ struct pardevice *parport_open (int devnum, const char *name,
/* Check that there really is a device to select. */
if (daisy >= 0) {
int selected;
parport_claim_or_block (dev);
parport_claim_or_block(dev);
selected = port->daisy;
parport_release (dev);
parport_release(dev);
if (selected != daisy) {
/* No corresponding device. */
parport_unregister_device (dev);
parport_unregister_device(dev);
return NULL;
}
}
......@@ -270,9 +270,9 @@ struct pardevice *parport_open (int devnum, const char *name,
* parport_register_device().
**/
void parport_close (struct pardevice *dev)
void parport_close(struct pardevice *dev)
{
parport_unregister_device (dev);
parport_unregister_device(dev);
}
/**
......@@ -287,7 +287,7 @@ void parport_close (struct pardevice *dev)
* exists.
**/
int parport_device_num (int parport, int mux, int daisy)
int parport_device_num(int parport, int mux, int daisy)
{
int res = -ENXIO;
struct daisydev *dev;
......@@ -305,16 +305,16 @@ int parport_device_num (int parport, int mux, int daisy)
}
/* Send a daisy-chain-style CPP command packet. */
static int cpp_daisy (struct parport *port, int cmd)
static int cpp_daisy(struct parport *port, int cmd)
{
unsigned char s;
parport_data_forward (port);
parport_write_data (port, 0xaa); udelay (2);
parport_write_data (port, 0x55); udelay (2);
parport_write_data (port, 0x00); udelay (2);
parport_write_data (port, 0xff); udelay (2);
s = parport_read_status (port) & (PARPORT_STATUS_BUSY
parport_data_forward(port);
parport_write_data(port, 0xaa); udelay(2);
parport_write_data(port, 0x55); udelay(2);
parport_write_data(port, 0x00); udelay(2);
parport_write_data(port, 0xff); udelay(2);
s = parport_read_status(port) & (PARPORT_STATUS_BUSY
| PARPORT_STATUS_PAPEROUT
| PARPORT_STATUS_SELECT
| PARPORT_STATUS_ERROR);
......@@ -322,54 +322,54 @@ static int cpp_daisy (struct parport *port, int cmd)
| PARPORT_STATUS_PAPEROUT
| PARPORT_STATUS_SELECT
| PARPORT_STATUS_ERROR)) {
DPRINTK (KERN_DEBUG "%s: cpp_daisy: aa5500ff(%02x)\n",
DPRINTK(KERN_DEBUG "%s: cpp_daisy: aa5500ff(%02x)\n",
port->name, s);
return -ENXIO;
}
parport_write_data (port, 0x87); udelay (2);
s = parport_read_status (port) & (PARPORT_STATUS_BUSY
parport_write_data(port, 0x87); udelay(2);
s = parport_read_status(port) & (PARPORT_STATUS_BUSY
| PARPORT_STATUS_PAPEROUT
| PARPORT_STATUS_SELECT
| PARPORT_STATUS_ERROR);
if (s != (PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR)) {
DPRINTK (KERN_DEBUG "%s: cpp_daisy: aa5500ff87(%02x)\n",
DPRINTK(KERN_DEBUG "%s: cpp_daisy: aa5500ff87(%02x)\n",
port->name, s);
return -ENXIO;
}
parport_write_data (port, 0x78); udelay (2);
parport_write_data (port, cmd); udelay (2);
parport_frob_control (port,
parport_write_data(port, 0x78); udelay(2);
parport_write_data(port, cmd); udelay(2);
parport_frob_control(port,
PARPORT_CONTROL_STROBE,
PARPORT_CONTROL_STROBE);
udelay (1);
s = parport_read_status (port);
parport_frob_control (port, PARPORT_CONTROL_STROBE, 0);
udelay (1);
parport_write_data (port, 0xff); udelay (2);
udelay(1);
s = parport_read_status(port);
parport_frob_control(port, PARPORT_CONTROL_STROBE, 0);
udelay(1);
parport_write_data(port, 0xff); udelay(2);
return s;
}
/* Send a mux-style CPP command packet. */
static int cpp_mux (struct parport *port, int cmd)
static int cpp_mux(struct parport *port, int cmd)
{
unsigned char s;
int rc;
parport_data_forward (port);
parport_write_data (port, 0xaa); udelay (2);
parport_write_data (port, 0x55); udelay (2);
parport_write_data (port, 0xf0); udelay (2);
parport_write_data (port, 0x0f); udelay (2);
parport_write_data (port, 0x52); udelay (2);
parport_write_data (port, 0xad); udelay (2);
parport_write_data (port, cmd); udelay (2);
parport_data_forward(port);
parport_write_data(port, 0xaa); udelay(2);
parport_write_data(port, 0x55); udelay(2);
parport_write_data(port, 0xf0); udelay(2);
parport_write_data(port, 0x0f); udelay(2);
parport_write_data(port, 0x52); udelay(2);
parport_write_data(port, 0xad); udelay(2);
parport_write_data(port, cmd); udelay(2);
s = parport_read_status (port);
s = parport_read_status(port);
if (!(s & PARPORT_STATUS_ACK)) {
DPRINTK (KERN_DEBUG "%s: cpp_mux: aa55f00f52ad%02x(%02x)\n",
DPRINTK(KERN_DEBUG "%s: cpp_mux: aa55f00f52ad%02x(%02x)\n",
port->name, cmd, s);
return -EIO;
}
......@@ -382,12 +382,12 @@ static int cpp_mux (struct parport *port, int cmd)
return rc;
}
void parport_daisy_deselect_all (struct parport *port)
void parport_daisy_deselect_all(struct parport *port)
{
cpp_daisy (port, 0x30);
cpp_daisy(port, 0x30);
}
int parport_daisy_select (struct parport *port, int daisy, int mode)
int parport_daisy_select(struct parport *port, int daisy, int mode)
{
switch (mode)
{
......@@ -395,14 +395,14 @@ int parport_daisy_select (struct parport *port, int daisy, int mode)
case IEEE1284_MODE_EPP:
case IEEE1284_MODE_EPPSL:
case IEEE1284_MODE_EPPSWE:
return !(cpp_daisy (port, 0x20 + daisy) &
return !(cpp_daisy(port, 0x20 + daisy) &
PARPORT_STATUS_ERROR);
// For these modes we should switch to ECP mode:
case IEEE1284_MODE_ECP:
case IEEE1284_MODE_ECPRLE:
case IEEE1284_MODE_ECPSWE:
return !(cpp_daisy (port, 0xd0 + daisy) &
return !(cpp_daisy(port, 0xd0 + daisy) &
PARPORT_STATUS_ERROR);
// Nothing was told for BECP in Daisy chain specification.
......@@ -413,28 +413,28 @@ int parport_daisy_select (struct parport *port, int daisy, int mode)
case IEEE1284_MODE_BYTE:
case IEEE1284_MODE_COMPAT:
default:
return !(cpp_daisy (port, 0xe0 + daisy) &
return !(cpp_daisy(port, 0xe0 + daisy) &
PARPORT_STATUS_ERROR);
}
}
static int mux_present (struct parport *port)
static int mux_present(struct parport *port)
{
return cpp_mux (port, 0x51) == 3;
return cpp_mux(port, 0x51) == 3;
}
static int num_mux_ports (struct parport *port)
static int num_mux_ports(struct parport *port)
{
return cpp_mux (port, 0x58);
return cpp_mux(port, 0x58);
}
static int select_port (struct parport *port)
static int select_port(struct parport *port)
{
int muxport = port->muxport;
return cpp_mux (port, 0x60 + muxport) == muxport;
return cpp_mux(port, 0x60 + muxport) == muxport;
}
static int assign_addrs (struct parport *port)
static int assign_addrs(struct parport *port)
{
unsigned char s;
unsigned char daisy;
......@@ -442,12 +442,12 @@ static int assign_addrs (struct parport *port)
int detected;
char *deviceid;
parport_data_forward (port);
parport_write_data (port, 0xaa); udelay (2);
parport_write_data (port, 0x55); udelay (2);
parport_write_data (port, 0x00); udelay (2);
parport_write_data (port, 0xff); udelay (2);
s = parport_read_status (port) & (PARPORT_STATUS_BUSY
parport_data_forward(port);
parport_write_data(port, 0xaa); udelay(2);
parport_write_data(port, 0x55); udelay(2);
parport_write_data(port, 0x00); udelay(2);
parport_write_data(port, 0xff); udelay(2);
s = parport_read_status(port) & (PARPORT_STATUS_BUSY
| PARPORT_STATUS_PAPEROUT
| PARPORT_STATUS_SELECT
| PARPORT_STATUS_ERROR);
......@@ -455,40 +455,40 @@ static int assign_addrs (struct parport *port)
| PARPORT_STATUS_PAPEROUT
| PARPORT_STATUS_SELECT
| PARPORT_STATUS_ERROR)) {
DPRINTK (KERN_DEBUG "%s: assign_addrs: aa5500ff(%02x)\n",
DPRINTK(KERN_DEBUG "%s: assign_addrs: aa5500ff(%02x)\n",
port->name, s);
return 0;
}
parport_write_data (port, 0x87); udelay (2);
s = parport_read_status (port) & (PARPORT_STATUS_BUSY
parport_write_data(port, 0x87); udelay(2);
s = parport_read_status(port) & (PARPORT_STATUS_BUSY
| PARPORT_STATUS_PAPEROUT
| PARPORT_STATUS_SELECT
| PARPORT_STATUS_ERROR);
if (s != (PARPORT_STATUS_SELECT | PARPORT_STATUS_ERROR)) {
DPRINTK (KERN_DEBUG "%s: assign_addrs: aa5500ff87(%02x)\n",
DPRINTK(KERN_DEBUG "%s: assign_addrs: aa5500ff87(%02x)\n",
port->name, s);
return 0;
}
parport_write_data (port, 0x78); udelay (2);
s = parport_read_status (port);
parport_write_data(port, 0x78); udelay(2);
s = parport_read_status(port);
for (daisy = 0;
(s & (PARPORT_STATUS_PAPEROUT|PARPORT_STATUS_SELECT))
== (PARPORT_STATUS_PAPEROUT|PARPORT_STATUS_SELECT)
&& daisy < 4;
++daisy) {
parport_write_data (port, daisy);
udelay (2);
parport_frob_control (port,
parport_write_data(port, daisy);
udelay(2);
parport_frob_control(port,
PARPORT_CONTROL_STROBE,
PARPORT_CONTROL_STROBE);
udelay (1);
parport_frob_control (port, PARPORT_CONTROL_STROBE, 0);
udelay (1);
udelay(1);
parport_frob_control(port, PARPORT_CONTROL_STROBE, 0);
udelay(1);
add_dev (numdevs++, port, daisy);
add_dev(numdevs++, port, daisy);
/* See if this device thought it was the last in the
* chain. */
......@@ -499,21 +499,21 @@ static int assign_addrs (struct parport *port)
last_dev from next device or if last_dev does not
work status lines from some non-daisy chain
device. */
s = parport_read_status (port);
s = parport_read_status(port);
}
parport_write_data (port, 0xff); udelay (2);
parport_write_data(port, 0xff); udelay(2);
detected = numdevs - thisdev;
DPRINTK (KERN_DEBUG "%s: Found %d daisy-chained devices\n", port->name,
DPRINTK(KERN_DEBUG "%s: Found %d daisy-chained devices\n", port->name,
detected);
/* Ask the new devices to introduce themselves. */
deviceid = kmalloc (1024, GFP_KERNEL);
deviceid = kmalloc(1024, GFP_KERNEL);
if (!deviceid) return 0;
for (daisy = 0; thisdev < numdevs; thisdev++, daisy++)
parport_device_id (thisdev, deviceid, 1024);
parport_device_id(thisdev, deviceid, 1024);
kfree (deviceid);
kfree(deviceid);
return detected;
}
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