[PATCH 3/9] pcmcia: remove client_t usage
Dominik Brodowski
linux at dominikbrodowski.net
Sun Jul 3 06:57:53 EDT 2005
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 at dominikbrodowski.net>
---
drivers/pcmcia/cs_internal.h | 13 ++-----------
drivers/pcmcia/ds.c | 35 +++++++++++++----------------------
drivers/pcmcia/pcmcia_compat.c | 19 ++++---------------
drivers/pcmcia/pcmcia_resource.c | 31 ++++++++-----------------------
include/pcmcia/cs_types.h | 4 ++--
include/pcmcia/ds.h | 12 +++---------
6 files changed, 32 insertions(+), 82 deletions(-)
Index: 2.6.12-git10/drivers/pcmcia/ds.c
===================================================================
--- 2.6.12-git10.orig/drivers/pcmcia/ds.c
+++ 2.6.12-git10/drivers/pcmcia/ds.c
@@ -163,7 +163,7 @@ static int pcmcia_report_error(client_ha
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 de
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
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 de
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
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
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
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_
}
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_hand
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_hand
goto warn_out;
if (handle->state & CLIENT_STALE) {
- handle->client_magic = 0;
handle->state &= ~CLIENT_STALE;
pcmcia_put_dev(p_dev);
} else {
Index: 2.6.12-git10/include/pcmcia/cs_types.h
===================================================================
--- 2.6.12-git10.orig/include/pcmcia/cs_types.h
+++ 2.6.12-git10/include/pcmcia/cs_types.h
@@ -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;
Index: 2.6.12-git10/drivers/pcmcia/cs_internal.h
===================================================================
--- 2.6.12-git10.orig/drivers/pcmcia/cs_internal.h
+++ 2.6.12-git10/drivers/pcmcia/cs_internal.h
@@ -99,20 +99,11 @@ static inline void cs_socket_put(struct
}
}
-#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);
Index: 2.6.12-git10/include/pcmcia/ds.h
===================================================================
--- 2.6.12-git10.orig/include/pcmcia/ds.h
+++ 2.6.12-git10/include/pcmcia/ds.h
@@ -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;
+ u_int state;
/* 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);
Index: 2.6.12-git10/drivers/pcmcia/pcmcia_resource.c
===================================================================
--- 2.6.12-git10.orig/drivers/pcmcia/pcmcia_resource.c
+++ 2.6.12-git10/drivers/pcmcia/pcmcia_resource.c
@@ -206,10 +206,8 @@ int pcmcia_access_configuration_register
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
{
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_sock
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_h
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_
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 ha
{
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_
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 ha
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 h
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_
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))
Index: 2.6.12-git10/drivers/pcmcia/pcmcia_compat.c
===================================================================
--- 2.6.12-git10.orig/drivers/pcmcia/pcmcia_compat.c
+++ 2.6.12-git10/drivers/pcmcia/pcmcia_compat.c
@@ -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);
@@ -78,9 +70,7 @@ EXPORT_SYMBOL(pcmcia_validate_cis);
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 ha
return pccard_reset_card(skt);
}
EXPORT_SYMBOL(pcmcia_reset_card);
-
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