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[PATCH] pcmcia: remove client_t usage

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Reduce the occurences of "client_handle_t" which is nothing else than a
pointer to struct pcmcia_device by now.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dominik Brodowski 2005-07-07 17:59:01 -07:00 committed by Linus Torvalds
parent 1e212f3645
commit e12a9a93a8
6 changed files with 32 additions and 82 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/pcmcia/cs_internal.h
View File

@ -99,20 +99,11 @@ static inline void cs_socket_put(struct pcmcia_socket *skt)
}
}
#define CHECK_HANDLE(h) \
(((h) == NULL) || ((h)->client_magic != CLIENT_MAGIC))
#define CHECK_SOCKET(s) \
(((s) >= sockets) || (socket_table[s]->ops == NULL))
#define SOCKET(h) (h->Socket)
#define CONFIG(h) (&SOCKET(h)->config[(h)->Function])
#define CHECK_REGION(r) \
(((r) == NULL) || ((r)->region_magic != REGION_MAGIC))
#define CHECK_ERASEQ(q) \
(((q) == NULL) || ((q)->eraseq_magic != ERASEQ_MAGIC))
#define SOCKET(h) (h->socket)
#define CONFIG(h) (&SOCKET(h)->config[(h)->func])
/* In cardbus.c */
int cb_alloc(struct pcmcia_socket *s);

35
drivers/pcmcia/ds.c
View File

@ -163,7 +163,7 @@ static int pcmcia_report_error(client_handle_t handle, error_info_t *err)
int i;
char *serv;
if (CHECK_HANDLE(handle))
if (!handle)
printk(KERN_NOTICE);
else {
struct pcmcia_device *p_dev = handle_to_pdev(handle);
@ -380,7 +380,7 @@ static int pcmcia_device_probe(struct device * dev)
if (p_drv->attach) {
p_dev->instance = p_drv->attach();
if ((!p_dev->instance) || (p_dev->client.state & CLIENT_UNBOUND)) {
if ((!p_dev->instance) || (p_dev->state & CLIENT_UNBOUND)) {
printk(KERN_NOTICE "ds: unable to create instance "
"of '%s'!\n", p_drv->drv.name);
ret = -EINVAL;
@ -520,10 +520,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no);
/* compat */
p_dev->client.client_magic = CLIENT_MAGIC;
p_dev->client.Socket = s;
p_dev->client.Function = function;
p_dev->client.state = CLIENT_UNBOUND;
p_dev->state = CLIENT_UNBOUND;
/* Add to the list in pcmcia_bus_socket */
spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
@ -930,7 +927,7 @@ static int send_event_callback(struct device *dev, void * _data)
if (!p_drv)
return 0;
if (p_dev->client.state & (CLIENT_UNBOUND|CLIENT_STALE))
if (p_dev->state & (CLIENT_UNBOUND|CLIENT_STALE))
return 0;
if (p_drv->event)
@ -999,7 +996,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
{
client_t *client = NULL;
struct pcmcia_device *client = NULL;
struct pcmcia_socket *s = NULL;
struct pcmcia_device *p_dev = NULL;
struct pcmcia_driver *p_drv = NULL;
@ -1020,14 +1017,14 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
p_dev = pcmcia_get_dev(p_dev);
if (!p_dev)
continue;
if (!(p_dev->client.state & CLIENT_UNBOUND) ||
if (!(p_dev->state & CLIENT_UNBOUND) ||
(!p_dev->dev.driver)) {
pcmcia_put_dev(p_dev);
continue;
}
p_drv = to_pcmcia_drv(p_dev->dev.driver);
if (!strncmp(p_drv->drv.name, (char *)req->dev_info, DEV_NAME_LEN)) {
client = &p_dev->client;
client = p_dev;
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
goto found;
}
@ -1043,20 +1040,18 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
pcmcia_put_socket(s); /* safe, as we already hold a reference from bind_device */
*handle = client;
client->state &= ~CLIENT_UNBOUND;
client->Socket = s;
*handle = p_dev;
p_dev->state &= ~CLIENT_UNBOUND;
p_dev->event_callback_args = req->event_callback_args;
p_dev->event_callback_args.client_handle = client;
p_dev->event_callback_args.client_handle = p_dev;
if (s->state & SOCKET_CARDBUS)
client->state |= CLIENT_CARDBUS;
if ((!(s->state & SOCKET_CARDBUS)) && (s->functions == 0) &&
(client->Function != BIND_FN_ALL)) {
if ((!(s->state & SOCKET_CARDBUS)) && (s->functions == 0)) {
cistpl_longlink_mfc_t mfc;
if (pccard_read_tuple(s, client->Function, CISTPL_LONGLINK_MFC, &mfc)
if (pccard_read_tuple(s, client->func, CISTPL_LONGLINK_MFC, &mfc)
== CS_SUCCESS)
s->functions = mfc.nfn;
else
@ -1108,7 +1103,7 @@ static int unbind_request(struct pcmcia_socket *s)
}
p_dev = list_entry((&s->devices_list)->next, struct pcmcia_device, socket_device_list);
list_del(&p_dev->socket_device_list);
p_dev->client.state |= CLIENT_STALE;
p_dev->state |= CLIENT_STALE;
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
device_unregister(&p_dev->dev);
@ -1123,9 +1118,6 @@ int pcmcia_deregister_client(client_handle_t handle)
int i;
struct pcmcia_device *p_dev = handle_to_pdev(handle);
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
ds_dbg(1, "deregister_client(%p)\n", handle);
@ -1136,7 +1128,6 @@ int pcmcia_deregister_client(client_handle_t handle)
goto warn_out;
if (handle->state & CLIENT_STALE) {
handle->client_magic = 0;
handle->state &= ~CLIENT_STALE;
pcmcia_put_dev(p_dev);
} else {

17
drivers/pcmcia/pcmcia_compat.c
View File

@ -31,28 +31,22 @@
int pcmcia_get_first_tuple(client_handle_t handle, tuple_t *tuple)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
return pccard_get_first_tuple(s, handle->Function, tuple);
return pccard_get_first_tuple(s, handle->func, tuple);
}
EXPORT_SYMBOL(pcmcia_get_first_tuple);
int pcmcia_get_next_tuple(client_handle_t handle, tuple_t *tuple)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
return pccard_get_next_tuple(s, handle->Function, tuple);
return pccard_get_next_tuple(s, handle->func, tuple);
}
EXPORT_SYMBOL(pcmcia_get_next_tuple);
int pcmcia_get_tuple_data(client_handle_t handle, tuple_t *tuple)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
return pccard_get_tuple_data(s, tuple);
}
@ -67,10 +61,8 @@ EXPORT_SYMBOL(pcmcia_parse_tuple);
int pcmcia_validate_cis(client_handle_t handle, cisinfo_t *info)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
return pccard_validate_cis(s, handle->Function, info);
return pccard_validate_cis(s, handle->func, info);
}
EXPORT_SYMBOL(pcmcia_validate_cis);
@ -79,8 +71,6 @@ int pcmcia_reset_card(client_handle_t handle, client_req_t *req)
{
struct pcmcia_socket *skt;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
skt = SOCKET(handle);
if (!skt)
return CS_BAD_HANDLE;
@ -88,4 +78,3 @@ int pcmcia_reset_card(client_handle_t handle, client_req_t *req)
return pccard_reset_card(skt);
}
EXPORT_SYMBOL(pcmcia_reset_card);

31
drivers/pcmcia/pcmcia_resource.c
View File

@ -206,10 +206,8 @@ int pcmcia_access_configuration_register(client_handle_t handle,
conf_reg_t *reg)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
return pccard_access_configuration_register(s, handle->Function, reg);
return pccard_access_configuration_register(s, handle->func, reg);
}
EXPORT_SYMBOL(pcmcia_access_configuration_register);
@ -276,12 +274,12 @@ int pcmcia_get_configuration_info(client_handle_t handle,
{
struct pcmcia_socket *s;
if ((CHECK_HANDLE(handle)) || !config)
if (!config)
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!s)
return CS_BAD_HANDLE;
return pccard_get_configuration_info(s, handle->Function, config);
return pccard_get_configuration_info(s, handle->func, config);
}
EXPORT_SYMBOL(pcmcia_get_configuration_info);
@ -382,10 +380,8 @@ int pccard_get_status(struct pcmcia_socket *s, unsigned int function,
int pcmcia_get_status(client_handle_t handle, cs_status_t *status)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
return pccard_get_status(s, handle->Function, status);
return pccard_get_status(s, handle->func, status);
}
EXPORT_SYMBOL(pcmcia_get_status);
@ -432,8 +428,6 @@ int pcmcia_modify_configuration(client_handle_t handle,
struct pcmcia_socket *s;
config_t *c;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
c = CONFIG(handle);
if (!(s->state & SOCKET_PRESENT))
@ -478,8 +472,7 @@ int pcmcia_release_configuration(client_handle_t handle)
struct pcmcia_socket *s;
int i;
if (CHECK_HANDLE(handle) ||
!(handle->state & CLIENT_CONFIG_LOCKED))
if (!(handle->state & CLIENT_CONFIG_LOCKED))
return CS_BAD_HANDLE;
handle->state &= ~CLIENT_CONFIG_LOCKED;
s = SOCKET(handle);
@ -527,7 +520,7 @@ int pcmcia_release_io(client_handle_t handle, io_req_t *req)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle) || !(handle->state & CLIENT_IO_REQ))
if (!(handle->state & CLIENT_IO_REQ))
return CS_BAD_HANDLE;
handle->state &= ~CLIENT_IO_REQ;
s = SOCKET(handle);
@ -561,7 +554,7 @@ EXPORT_SYMBOL(pcmcia_release_io);
int pcmcia_release_irq(client_handle_t handle, irq_req_t *req)
{
struct pcmcia_socket *s;
if (CHECK_HANDLE(handle) || !(handle->state & CLIENT_IRQ_REQ))
if (!(handle->state & CLIENT_IRQ_REQ))
return CS_BAD_HANDLE;
handle->state &= ~CLIENT_IRQ_REQ;
s = SOCKET(handle);
@ -632,8 +625,6 @@ int pcmcia_request_configuration(client_handle_t handle,
config_t *c;
pccard_io_map iomap;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
@ -762,8 +753,6 @@ int pcmcia_request_io(client_handle_t handle, io_req_t *req)
struct pcmcia_socket *s;
config_t *c;
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
@ -834,8 +823,6 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
int ret = CS_IN_USE, irq = 0;
struct pcmcia_device *p_dev = handle_to_pdev(handle);
if (CHECK_HANDLE(handle))
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
@ -926,9 +913,7 @@ int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle
u_long align;
int w;
if (CHECK_HANDLE(*handle))
return CS_BAD_HANDLE;
s = (*handle)->Socket;
s = (*handle)->socket;
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
if (req->Attributes & (WIN_PAGED | WIN_SHARED))

4
include/pcmcia/cs_types.h
View File

@ -34,8 +34,8 @@ typedef u_int event_t;
typedef u_char cisdata_t;
typedef u_short page_t;
struct client_t;
typedef struct client_t *client_handle_t;
struct pcmcia_device;
typedef struct pcmcia_device *client_handle_t;
struct window_t;
typedef struct window_t *window_handle_t;

10
include/pcmcia/ds.h
View File

@ -162,13 +162,7 @@ struct pcmcia_device {
struct soon */
dev_link_t *instance;
event_callback_args_t event_callback_args;
struct client_t {
u_short client_magic;
struct pcmcia_socket *Socket;
u_char Function;
u_int state;
} client;
/* information about this device */
u8 has_manf_id:1;
@ -193,8 +187,8 @@ struct pcmcia_device {
#define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev)
#define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv)
#define handle_to_pdev(handle) container_of(handle, struct pcmcia_device, client);
#define handle_to_dev(handle) ((container_of(handle, struct pcmcia_device, client))->dev)
#define handle_to_pdev(handle) (handle)
#define handle_to_dev(handle) (handle->dev)
/* error reporting */
void cs_error(client_handle_t handle, int func, int ret);