mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-26 13:44:15 +08:00
parport: Remove space in function calls
This removes the space in function calls in drivers/parport/daisy.c Signed-off-by: Matthew Martin <lihnucks@gmail.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
This commit is contained in:
Matthew Martin
Adrian Bunk
parent
f66e928b96
commit
d32ccc431b
@ -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 @@ again:
|
||||
|
||||
/* 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 @@ again:
|
||||
}
|
||||
|
||||
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 @@ again:
|
||||
}
|
||||
|
||||
/* 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;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user