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kernel_optimize_test/drivers/pcmcia/vrc4171_card.c
Tim Schmielau cd354f1ae7 [PATCH] remove many unneeded #includes of sched.h 
After Al Viro (finally) succeeded in removing the sched.h #include in module.h
recently, it makes sense again to remove other superfluous sched.h includes.
There are quite a lot of files which include it but don't actually need
anything defined in there.  Presumably these includes were once needed for
macros that used to live in sched.h, but moved to other header files in the
course of cleaning it up.

To ease the pain, this time I did not fiddle with any header files and only
removed #includes from .c-files, which tend to cause less trouble.

Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha,
arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig,
allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all
configs in arch/arm/configs on arm.  I also checked that no new warnings were
introduced by the patch (actually, some warnings are removed that were emitted
by unnecessarily included header files).

Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-14 08:09:54 -08:00

757 lines
18 KiB
C
Raw Blame History

/*
* vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services.
*
* Copyright (C) 2003-2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <asm/io.h>
#include <pcmcia/ss.h>
#include "i82365.h"
MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services");
MODULE_AUTHOR("Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>");
MODULE_LICENSE("GPL");
#define CARD_MAX_SLOTS 2
#define CARD_SLOTA 0
#define CARD_SLOTB 1
#define CARD_SLOTB_OFFSET 0x40
#define CARD_MEM_START 0x10000000
#define CARD_MEM_END 0x13ffffff
#define CARD_MAX_MEM_OFFSET 0x3ffffff
#define CARD_MAX_MEM_SPEED 1000
#define CARD_CONTROLLER_INDEX 0x03e0
#define CARD_CONTROLLER_DATA 0x03e1
/* Power register */
#define VPP_GET_VCC 0x01
#define POWER_ENABLE 0x10
#define CARD_VOLTAGE_SENSE 0x1f
#define VCC_3VORXV_CAPABLE 0x00
#define VCC_XV_ONLY 0x01
#define VCC_3V_CAPABLE 0x02
#define VCC_5V_ONLY 0x03
#define CARD_VOLTAGE_SELECT 0x2f
#define VCC_3V 0x01
#define VCC_5V 0x00
#define VCC_XV 0x02
#define VCC_STATUS_3V 0x02
#define VCC_STATUS_5V 0x01
#define VCC_STATUS_XV 0x03
#define GLOBAL_CONTROL 0x1e
#define EXWRBK 0x04
#define IRQPM_EN 0x08
#define CLRPMIRQ 0x10
#define INTERRUPT_STATUS 0x05fa
#define IRQ_A 0x02
#define IRQ_B 0x04
#define CONFIGURATION1 0x05fe
#define SLOTB_CONFIG 0xc000
#define SLOTB_NONE 0x0000
#define SLOTB_PCCARD 0x4000
#define SLOTB_CF 0x8000
#define SLOTB_FLASHROM 0xc000
#define CARD_CONTROLLER_START CARD_CONTROLLER_INDEX
#define CARD_CONTROLLER_END CARD_CONTROLLER_DATA
#define IO_MAX_MAPS 2
#define MEM_MAX_MAPS 5
typedef enum {
SLOT_PROBE = 0,
SLOT_NOPROBE_IO,
SLOT_NOPROBE_MEM,
SLOT_NOPROBE_ALL,
SLOT_INITIALIZED,
} vrc4171_slot_t;
typedef enum {
SLOTB_IS_NONE,
SLOTB_IS_PCCARD,
SLOTB_IS_CF,
SLOTB_IS_FLASHROM,
} vrc4171_slotb_t;
typedef struct vrc4171_socket {
vrc4171_slot_t slot;
struct pcmcia_socket pcmcia_socket;
char name[24];
int csc_irq;
int io_irq;
} vrc4171_socket_t;
static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS];
static vrc4171_slotb_t vrc4171_slotb = SLOTB_IS_NONE;
static char vrc4171_card_name[] = "NEC VRC4171 Card Controller";
static unsigned int vrc4171_irq;
static uint16_t vrc4171_irq_mask = 0xdeb8;
static struct resource vrc4171_card_resource[3] = {
{ .name = vrc4171_card_name,
.start = CARD_CONTROLLER_START,
.end = CARD_CONTROLLER_END,
.flags = IORESOURCE_IO, },
{ .name = vrc4171_card_name,
.start = INTERRUPT_STATUS,
.end = INTERRUPT_STATUS,
.flags = IORESOURCE_IO, },
{ .name = vrc4171_card_name,
.start = CONFIGURATION1,
.end = CONFIGURATION1,
.flags = IORESOURCE_IO, },
};
static struct platform_device vrc4171_card_device = {
.name = vrc4171_card_name,
.id = 0,
.num_resources = 3,
.resource = vrc4171_card_resource,
};
static inline uint16_t vrc4171_get_irq_status(void)
{
return inw(INTERRUPT_STATUS);
}
static inline void vrc4171_set_multifunction_pin(vrc4171_slotb_t config)
{
uint16_t config1;
config1 = inw(CONFIGURATION1);
config1 &= ~SLOTB_CONFIG;
switch (config) {
case SLOTB_IS_NONE:
config1 |= SLOTB_NONE;
break;
case SLOTB_IS_PCCARD:
config1 |= SLOTB_PCCARD;
break;
case SLOTB_IS_CF:
config1 |= SLOTB_CF;
break;
case SLOTB_IS_FLASHROM:
config1 |= SLOTB_FLASHROM;
break;
default:
break;
}
outw(config1, CONFIGURATION1);
}
static inline uint8_t exca_read_byte(int slot, uint8_t index)
{
if (slot == CARD_SLOTB)
index += CARD_SLOTB_OFFSET;
outb(index, CARD_CONTROLLER_INDEX);
return inb(CARD_CONTROLLER_DATA);
}
static inline uint16_t exca_read_word(int slot, uint8_t index)
{
uint16_t data;
if (slot == CARD_SLOTB)
index += CARD_SLOTB_OFFSET;
outb(index++, CARD_CONTROLLER_INDEX);
data = inb(CARD_CONTROLLER_DATA);
outb(index, CARD_CONTROLLER_INDEX);
data |= ((uint16_t)inb(CARD_CONTROLLER_DATA)) << 8;
return data;
}
static inline uint8_t exca_write_byte(int slot, uint8_t index, uint8_t data)
{
if (slot == CARD_SLOTB)
index += CARD_SLOTB_OFFSET;
outb(index, CARD_CONTROLLER_INDEX);
outb(data, CARD_CONTROLLER_DATA);
return data;
}
static inline uint16_t exca_write_word(int slot, uint8_t index, uint16_t data)
{
if (slot == CARD_SLOTB)
index += CARD_SLOTB_OFFSET;
outb(index++, CARD_CONTROLLER_INDEX);
outb(data, CARD_CONTROLLER_DATA);
outb(index, CARD_CONTROLLER_INDEX);
outb((uint8_t)(data >> 8), CARD_CONTROLLER_DATA);
return data;
}
static inline int search_nonuse_irq(void)
{
int i;
for (i = 0; i < 16; i++) {
if (vrc4171_irq_mask & (1 << i)) {
vrc4171_irq_mask &= ~(1 << i);
return i;
}
}
return -1;
}
static int pccard_init(struct pcmcia_socket *sock)
{
vrc4171_socket_t *socket;
unsigned int slot;
sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;
sock->irq_mask = 0;
sock->map_size = 0x1000;
sock->pci_irq = vrc4171_irq;
slot = sock->sock;
socket = &vrc4171_sockets[slot];
socket->csc_irq = search_nonuse_irq();
socket->io_irq = search_nonuse_irq();
return 0;
}
static int pccard_get_status(struct pcmcia_socket *sock, u_int *value)
{
unsigned int slot;
uint8_t status, sense;
u_int val = 0;
if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL)
return -EINVAL;
slot = sock->sock;
status = exca_read_byte(slot, I365_STATUS);
if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
if (status & I365_CS_STSCHG)
val |= SS_STSCHG;
} else {
if (!(status & I365_CS_BVD1))
val |= SS_BATDEAD;
else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
val |= SS_BATWARN;
}
if ((status & I365_CS_DETECT) == I365_CS_DETECT)
val |= SS_DETECT;
if (status & I365_CS_WRPROT)
val |= SS_WRPROT;
if (status & I365_CS_READY)
val |= SS_READY;
if (status & I365_CS_POWERON)
val |= SS_POWERON;
sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE);
switch (sense) {
case VCC_3VORXV_CAPABLE:
val |= SS_3VCARD | SS_XVCARD;
break;
case VCC_XV_ONLY:
val |= SS_XVCARD;
break;
case VCC_3V_CAPABLE:
val |= SS_3VCARD;
break;
default:
/* 5V only */
break;
}
*value = val;
return 0;
}
static inline uint8_t set_Vcc_value(u_char Vcc)
{
switch (Vcc) {
case 33:
return VCC_3V;
case 50:
return VCC_5V;
}
/* Small voltage is chosen for safety. */
return VCC_3V;
}
static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
{
vrc4171_socket_t *socket;
unsigned int slot;
uint8_t voltage, power, control, cscint;
if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
(state->Vpp != state->Vcc && state->Vpp != 0) ||
(state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0))
return -EINVAL;
slot = sock->sock;
socket = &vrc4171_sockets[slot];
spin_lock_irq(&sock->lock);
voltage = set_Vcc_value(state->Vcc);
exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage);
power = POWER_ENABLE;
if (state->Vpp == state->Vcc)
power |= VPP_GET_VCC;
if (state->flags & SS_OUTPUT_ENA)
power |= I365_PWR_OUT;
exca_write_byte(slot, I365_POWER, power);
control = 0;
if (state->io_irq != 0)
control |= socket->io_irq;
if (state->flags & SS_IOCARD)
control |= I365_PC_IOCARD;
if (state->flags & SS_RESET)
control &= ~I365_PC_RESET;
else
control |= I365_PC_RESET;
exca_write_byte(slot, I365_INTCTL, control);
cscint = 0;
exca_write_byte(slot, I365_CSCINT, cscint);
exca_read_byte(slot, I365_CSC); /* clear CardStatus change */
if (state->csc_mask != 0)
cscint |= socket->csc_irq << 8;
if (state->flags & SS_IOCARD) {
if (state->csc_mask & SS_STSCHG)
cscint |= I365_CSC_STSCHG;
} else {
if (state->csc_mask & SS_BATDEAD)
cscint |= I365_CSC_BVD1;
if (state->csc_mask & SS_BATWARN)
cscint |= I365_CSC_BVD2;
}
if (state->csc_mask & SS_READY)
cscint |= I365_CSC_READY;
if (state->csc_mask & SS_DETECT)
cscint |= I365_CSC_DETECT;
exca_write_byte(slot, I365_CSCINT, cscint);
spin_unlock_irq(&sock->lock);
return 0;
}
static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
{
unsigned int slot;
uint8_t ioctl, addrwin;
u_char map;
if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
io == NULL || io->map >= IO_MAX_MAPS ||
io->start > 0xffff || io->stop > 0xffff || io->start > io->stop)
return -EINVAL;
slot = sock->sock;
map = io->map;
addrwin = exca_read_byte(slot, I365_ADDRWIN);
if (addrwin & I365_ENA_IO(map)) {
addrwin &= ~I365_ENA_IO(map);
exca_write_byte(slot, I365_ADDRWIN, addrwin);
}
exca_write_word(slot, I365_IO(map)+I365_W_START, io->start);
exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop);
ioctl = 0;
if (io->speed > 0)
ioctl |= I365_IOCTL_WAIT(map);
if (io->flags & MAP_16BIT)
ioctl |= I365_IOCTL_16BIT(map);
if (io->flags & MAP_AUTOSZ)
ioctl |= I365_IOCTL_IOCS16(map);
if (io->flags & MAP_0WS)
ioctl |= I365_IOCTL_0WS(map);
exca_write_byte(slot, I365_IOCTL, ioctl);
if (io->flags & MAP_ACTIVE) {
addrwin |= I365_ENA_IO(map);
exca_write_byte(slot, I365_ADDRWIN, addrwin);
}
return 0;
}
static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
{
unsigned int slot;
uint16_t start, stop, offset;
uint8_t addrwin;
u_char map;
if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
mem == NULL || mem->map >= MEM_MAX_MAPS ||
mem->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END ||
mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END ||
mem->res->start > mem->res->end ||
mem->card_start > CARD_MAX_MEM_OFFSET ||
mem->speed > CARD_MAX_MEM_SPEED)
return -EINVAL;
slot = sock->sock;
map = mem->map;
addrwin = exca_read_byte(slot, I365_ADDRWIN);
if (addrwin & I365_ENA_MEM(map)) {
addrwin &= ~I365_ENA_MEM(map);
exca_write_byte(slot, I365_ADDRWIN, addrwin);
}
start = (mem->res->start >> 12) & 0x3fff;
if (mem->flags & MAP_16BIT)
start |= I365_MEM_16BIT;
exca_write_word(slot, I365_MEM(map)+I365_W_START, start);
stop = (mem->res->end >> 12) & 0x3fff;
switch (mem->speed) {
case 0:
break;
case 1:
stop |= I365_MEM_WS0;
break;
case 2:
stop |= I365_MEM_WS1;
break;
default:
stop |= I365_MEM_WS0 | I365_MEM_WS1;
break;
}
exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop);
offset = (mem->card_start >> 12) & 0x3fff;
if (mem->flags & MAP_ATTRIB)
offset |= I365_MEM_REG;
if (mem->flags & MAP_WRPROT)
offset |= I365_MEM_WRPROT;
exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset);
if (mem->flags & MAP_ACTIVE) {
addrwin |= I365_ENA_MEM(map);
exca_write_byte(slot, I365_ADDRWIN, addrwin);
}
return 0;
}
static struct pccard_operations vrc4171_pccard_operations = {
.init = pccard_init,
.get_status = pccard_get_status,
.set_socket = pccard_set_socket,
.set_io_map = pccard_set_io_map,
.set_mem_map = pccard_set_mem_map,
};
static inline unsigned int get_events(int slot)
{
unsigned int events = 0;
uint8_t status, csc;
status = exca_read_byte(slot, I365_STATUS);
csc = exca_read_byte(slot, I365_CSC);
if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG))
events |= SS_STSCHG;
} else {
if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) {
if (!(status & I365_CS_BVD1))
events |= SS_BATDEAD;
else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
events |= SS_BATWARN;
}
}
if ((csc & I365_CSC_READY) && (status & I365_CS_READY))
events |= SS_READY;
if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT))
events |= SS_DETECT;
return events;
}
static irqreturn_t pccard_interrupt(int irq, void *dev_id)
{
vrc4171_socket_t *socket;
unsigned int events;
irqreturn_t retval = IRQ_NONE;
uint16_t status;
status = vrc4171_get_irq_status();
if (status & IRQ_A) {
socket = &vrc4171_sockets[CARD_SLOTA];
if (socket->slot == SLOT_INITIALIZED) {
if (status & (1 << socket->csc_irq)) {
events = get_events(CARD_SLOTA);
if (events != 0) {
pcmcia_parse_events(&socket->pcmcia_socket, events);
retval = IRQ_HANDLED;
}
}
}
}
if (status & IRQ_B) {
socket = &vrc4171_sockets[CARD_SLOTB];
if (socket->slot == SLOT_INITIALIZED) {
if (status & (1 << socket->csc_irq)) {
events = get_events(CARD_SLOTB);
if (events != 0) {
pcmcia_parse_events(&socket->pcmcia_socket, events);
retval = IRQ_HANDLED;
}
}
}
}
return retval;
}
static inline void reserve_using_irq(int slot)
{
unsigned int irq;
irq = exca_read_byte(slot, I365_INTCTL);
irq &= 0x0f;
vrc4171_irq_mask &= ~(1 << irq);
irq = exca_read_byte(slot, I365_CSCINT);
irq = (irq & 0xf0) >> 4;
vrc4171_irq_mask &= ~(1 << irq);
}
static int __devinit vrc4171_add_sockets(void)
{
vrc4171_socket_t *socket;
int slot, retval;
for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
continue;
socket = &vrc4171_sockets[slot];
if (socket->slot != SLOT_PROBE) {
uint8_t addrwin;
switch (socket->slot) {
case SLOT_NOPROBE_MEM:
addrwin = exca_read_byte(slot, I365_ADDRWIN);
addrwin &= 0x1f;
exca_write_byte(slot, I365_ADDRWIN, addrwin);
break;
case SLOT_NOPROBE_IO:
addrwin = exca_read_byte(slot, I365_ADDRWIN);
addrwin &= 0xc0;
exca_write_byte(slot, I365_ADDRWIN, addrwin);
break;
default:
break;
}
reserve_using_irq(slot);
continue;
}
sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot);
socket->pcmcia_socket.dev.dev = &vrc4171_card_device.dev;
socket->pcmcia_socket.ops = &vrc4171_pccard_operations;
socket->pcmcia_socket.owner = THIS_MODULE;
retval = pcmcia_register_socket(&socket->pcmcia_socket);
if (retval < 0)
return retval;
exca_write_byte(slot, I365_ADDRWIN, 0);
exca_write_byte(slot, GLOBAL_CONTROL, 0);
socket->slot = SLOT_INITIALIZED;
}
return 0;
}
static void vrc4171_remove_sockets(void)
{
vrc4171_socket_t *socket;
int slot;
for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
continue;
socket = &vrc4171_sockets[slot];
if (socket->slot == SLOT_INITIALIZED)
pcmcia_unregister_socket(&socket->pcmcia_socket);
socket->slot = SLOT_PROBE;
}
}
static int __devinit vrc4171_card_setup(char *options)
{
if (options == NULL || *options == '\0')
return 1;
if (strncmp(options, "irq:", 4) == 0) {
int irq;
options += 4;
irq = simple_strtoul(options, &options, 0);
if (irq >= 0 && irq < NR_IRQS)
vrc4171_irq = irq;
if (*options != ',')
return 1;
options++;
}
if (strncmp(options, "slota:", 6) == 0) {
options += 6;
if (*options != '\0') {
if (strncmp(options, "memnoprobe", 10) == 0) {
vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM;
options += 10;
} else if (strncmp(options, "ionoprobe", 9) == 0) {
vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO;
options += 9;
} else if ( strncmp(options, "noprobe", 7) == 0) {
vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL;
options += 7;
}
if (*options != ',')
return 1;
options++;
} else
return 1;
}
if (strncmp(options, "slotb:", 6) == 0) {
options += 6;
if (*options != '\0') {
if (strncmp(options, "pccard", 6) == 0) {
vrc4171_slotb = SLOTB_IS_PCCARD;
options += 6;
} else if (strncmp(options, "cf", 2) == 0) {
vrc4171_slotb = SLOTB_IS_CF;
options += 2;
} else if (strncmp(options, "flashrom", 8) == 0) {
vrc4171_slotb = SLOTB_IS_FLASHROM;
options += 8;
} else if (strncmp(options, "none", 4) == 0) {
vrc4171_slotb = SLOTB_IS_NONE;
options += 4;
}
if (*options != ',')
return 1;
options++;
if (strncmp(options, "memnoprobe", 10) == 0)
vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM;
if (strncmp(options, "ionoprobe", 9) == 0)
vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO;
if (strncmp(options, "noprobe", 7) == 0)
vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL;
}
}
return 1;
}
__setup("vrc4171_card=", vrc4171_card_setup);
static struct device_driver vrc4171_card_driver = {
.name = vrc4171_card_name,
.bus = &platform_bus_type,
.suspend = pcmcia_socket_dev_suspend,
.resume = pcmcia_socket_dev_resume,
};
static int __devinit vrc4171_card_init(void)
{
int retval;
retval = driver_register(&vrc4171_card_driver);
if (retval < 0)
return retval;
retval = platform_device_register(&vrc4171_card_device);
if (retval < 0) {
driver_unregister(&vrc4171_card_driver);
return retval;
}
vrc4171_set_multifunction_pin(vrc4171_slotb);
retval = vrc4171_add_sockets();
if (retval == 0)
retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED,
vrc4171_card_name, vrc4171_sockets);
if (retval < 0) {
vrc4171_remove_sockets();
platform_device_unregister(&vrc4171_card_device);
driver_unregister(&vrc4171_card_driver);
return retval;
}
printk(KERN_INFO "%s, connected to IRQ %d\n", vrc4171_card_driver.name, vrc4171_irq);
return 0;
}
static void __devexit vrc4171_card_exit(void)
{
free_irq(vrc4171_irq, vrc4171_sockets);
vrc4171_remove_sockets();
platform_device_unregister(&vrc4171_card_device);
driver_unregister(&vrc4171_card_driver);
}
module_init(vrc4171_card_init);
module_exit(vrc4171_card_exit);
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