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authorDominik Brodowski <linux@dominikbrodowski.net>2006-03-05 10:45:09 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2006-03-31 17:15:57 +0200
commitfd238232cd0ff4840ae6946bb338502154096d88 (patch)
treed20e8f5871f7cff9d0867a84f6ba088fbffcbe28 /drivers/char/pcmcia/cm4040_cs.c
parenta78f4dd331a4f6a396eb5849656a4a72a70a56d7 (diff)
[PATCH] pcmcia: embed dev_link_t into struct pcmcia_device
Embed dev_link_t into struct pcmcia_device(), as they basically address the same entity. The actual contents of dev_link_t will be cleaned up step by step. This patch includes a bugfix from and signed-off-by Andrew Morton. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/char/pcmcia/cm4040_cs.c')
-rw-r--r--drivers/char/pcmcia/cm4040_cs.c29
1 files changed, 13 insertions, 16 deletions
diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c
index 94ecd0342b7..97e32e7f84d 100644
--- a/drivers/char/pcmcia/cm4040_cs.c
+++ b/drivers/char/pcmcia/cm4040_cs.c
@@ -41,7 +41,7 @@
#ifdef PCMCIA_DEBUG
-#define reader_to_dev(x) (&handle_to_dev(x->link.handle))
+#define reader_to_dev(x) (&handle_to_dev(x->p_dev->handle))
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0600);
#define DEBUGP(n, rdr, x, args...) do { \
@@ -74,7 +74,7 @@ static struct class *cmx_class;
#define BS_WRITABLE 0x02
struct reader_dev {
- dev_link_t link;
+ struct pcmcia_device *p_dev;
dev_node_t node;
wait_queue_head_t devq;
wait_queue_head_t poll_wait;
@@ -116,7 +116,7 @@ static inline unsigned char xinb(unsigned short port)
static void cm4040_do_poll(unsigned long dummy)
{
struct reader_dev *dev = (struct reader_dev *) dummy;
- unsigned int obs = xinb(dev->link.io.BasePort1
+ unsigned int obs = xinb(dev->p_dev->io.BasePort1
+ REG_OFFSET_BUFFER_STATUS);
if ((obs & BSR_BULK_IN_FULL)) {
@@ -147,7 +147,7 @@ static void cm4040_stop_poll(struct reader_dev *dev)
static int wait_for_bulk_out_ready(struct reader_dev *dev)
{
int i, rc;
- int iobase = dev->link.io.BasePort1;
+ int iobase = dev->p_dev->io.BasePort1;
for (i = 0; i < POLL_LOOP_COUNT; i++) {
if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS)
@@ -177,7 +177,7 @@ static int wait_for_bulk_out_ready(struct reader_dev *dev)
/* Write to Sync Control Register */
static int write_sync_reg(unsigned char val, struct reader_dev *dev)
{
- int iobase = dev->link.io.BasePort1;
+ int iobase = dev->p_dev->io.BasePort1;
int rc;
rc = wait_for_bulk_out_ready(dev);
@@ -195,7 +195,7 @@ static int write_sync_reg(unsigned char val, struct reader_dev *dev)
static int wait_for_bulk_in_ready(struct reader_dev *dev)
{
int i, rc;
- int iobase = dev->link.io.BasePort1;
+ int iobase = dev->p_dev->io.BasePort1;
for (i = 0; i < POLL_LOOP_COUNT; i++) {
if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS)
@@ -225,7 +225,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf,
size_t count, loff_t *ppos)
{
struct reader_dev *dev = filp->private_data;
- int iobase = dev->link.io.BasePort1;
+ int iobase = dev->p_dev->io.BasePort1;
size_t bytes_to_read;
unsigned long i;
size_t min_bytes_to_read;
@@ -246,7 +246,7 @@ static ssize_t cm4040_read(struct file *filp, char __user *buf,
return -EAGAIN;
}
- if ((dev->link.state & DEV_PRESENT)==0)
+ if ((dev->p_dev->state & DEV_PRESENT)==0)
return -ENODEV;
for (i = 0; i < 5; i++) {
@@ -328,7 +328,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
size_t count, loff_t *ppos)
{
struct reader_dev *dev = filp->private_data;
- int iobase = dev->link.io.BasePort1;
+ int iobase = dev->p_dev->io.BasePort1;
ssize_t rc;
int i;
unsigned int bytes_to_write;
@@ -351,7 +351,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf,
return -EAGAIN;
}
- if ((dev->link.state & DEV_PRESENT) == 0)
+ if ((dev->p_dev->state & DEV_PRESENT) == 0)
return -ENODEV;
bytes_to_write = count;
@@ -606,7 +606,7 @@ static void reader_config(dev_link_t *link, int devno)
dev->node.major = major;
dev->node.minor = devno;
dev->node.next = NULL;
- link->dev = &dev->node;
+ link->dev_node = &dev->node;
link->state &= ~DEV_CONFIG_PENDING;
DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno,
@@ -631,8 +631,8 @@ static void reader_release(dev_link_t *link)
static int reader_attach(struct pcmcia_device *p_dev)
{
struct reader_dev *dev;
- dev_link_t *link;
int i;
+ dev_link_t *link = dev_to_instance(p_dev);
for (i = 0; i < CM_MAX_DEV; i++) {
if (dev_table[i] == NULL)
@@ -649,8 +649,8 @@ static int reader_attach(struct pcmcia_device *p_dev)
dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT;
dev->buffer_status = 0;
- link = &dev->link;
link->priv = dev;
+ dev->p_dev = p_dev;
link->conf.IntType = INT_MEMORY_AND_IO;
dev_table[i] = link;
@@ -662,9 +662,6 @@ static int reader_attach(struct pcmcia_device *p_dev)
init_timer(&dev->poll_timer);
dev->poll_timer.function = &cm4040_do_poll;
- link->handle = p_dev;
- p_dev->instance = link;
-
link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
reader_config(link, i);