提交 2bc5a9bd 编写于 作者: D Dominik Brodowski 提交者: Linus Torvalds

[PATCH] pcmcia: reduce client_handle_t usage

Reduce the occurences of "client_handle_t" which is nothing else than a
pointer to struct pcmcia_device by now.
Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 e12a9a93
......@@ -158,17 +158,15 @@ static const lookup_t service_table[] = {
};
static int pcmcia_report_error(client_handle_t handle, error_info_t *err)
static int pcmcia_report_error(struct pcmcia_device *p_dev, error_info_t *err)
{
int i;
char *serv;
if (!handle)
if (!p_dev)
printk(KERN_NOTICE);
else {
struct pcmcia_device *p_dev = handle_to_pdev(handle);
else
printk(KERN_NOTICE "%s: ", p_dev->dev.bus_id);
}
for (i = 0; i < ARRAY_SIZE(service_table); i++)
if (service_table[i].key == err->func)
......@@ -193,10 +191,10 @@ static int pcmcia_report_error(client_handle_t handle, error_info_t *err)
/*======================================================================*/
void cs_error(client_handle_t handle, int func, int ret)
void cs_error(struct pcmcia_device *p_dev, int func, int ret)
{
error_info_t err = { func, ret };
pcmcia_report_error(handle, &err);
pcmcia_report_error(p_dev, &err);
}
EXPORT_SYMBOL(cs_error);
......@@ -574,8 +572,6 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
else
no_funcs = 1;
/* this doesn't handle multifunction devices on one pcmcia function
* yet. */
for (i=0; i < no_funcs; i++)
pcmcia_device_add(s, i);
......@@ -994,9 +990,8 @@ 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)
int pcmcia_register_client(struct pcmcia_device **handle, client_reg_t *req)
{
struct pcmcia_device *client = NULL;
struct pcmcia_socket *s = NULL;
struct pcmcia_device *p_dev = NULL;
struct pcmcia_driver *p_drv = NULL;
......@@ -1024,7 +1019,6 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
}
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;
spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
goto found;
}
......@@ -1035,7 +1029,7 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
}
found:
up_read(&pcmcia_socket_list_rwsem);
if (!p_dev || !client)
if (!p_dev)
return -ENODEV;
pcmcia_put_socket(s); /* safe, as we already hold a reference from bind_device */
......@@ -1046,12 +1040,9 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
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)) {
if (!s->functions) {
cistpl_longlink_mfc_t mfc;
if (pccard_read_tuple(s, client->func, CISTPL_LONGLINK_MFC, &mfc)
if (pccard_read_tuple(s, p_dev->func, CISTPL_LONGLINK_MFC, &mfc)
== CS_SUCCESS)
s->functions = mfc.nfn;
else
......@@ -1064,7 +1055,7 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
}
ds_dbg(1, "register_client(): client 0x%p, dev %s\n",
client, p_dev->dev.bus_id);
p_dev, p_dev->dev.bus_id);
if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) {
if (p_drv->event)
......@@ -1112,26 +1103,25 @@ static int unbind_request(struct pcmcia_socket *s)
return 0;
} /* unbind_request */
int pcmcia_deregister_client(client_handle_t handle)
int pcmcia_deregister_client(struct pcmcia_device *p_dev)
{
struct pcmcia_socket *s;
int i;
struct pcmcia_device *p_dev = handle_to_pdev(handle);
s = SOCKET(handle);
ds_dbg(1, "deregister_client(%p)\n", handle);
s = p_dev->socket;
ds_dbg(1, "deregister_client(%p)\n", p_dev);
if (handle->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED))
if (p_dev->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED))
goto warn_out;
for (i = 0; i < MAX_WIN; i++)
if (handle->state & CLIENT_WIN_REQ(i))
if (p_dev->state & CLIENT_WIN_REQ(i))
goto warn_out;
if (handle->state & CLIENT_STALE) {
handle->state &= ~CLIENT_STALE;
if (p_dev->state & CLIENT_STALE) {
p_dev->state &= ~CLIENT_STALE;
pcmcia_put_dev(p_dev);
} else {
handle->state = CLIENT_UNBOUND;
p_dev->state = CLIENT_UNBOUND;
}
return CS_SUCCESS;
......
......@@ -28,53 +28,39 @@
#include "cs_internal.h"
int pcmcia_get_first_tuple(client_handle_t handle, tuple_t *tuple)
int pcmcia_get_first_tuple(struct pcmcia_device *p_dev, tuple_t *tuple)
{
struct pcmcia_socket *s;
s = SOCKET(handle);
return pccard_get_first_tuple(s, handle->func, tuple);
return pccard_get_first_tuple(p_dev->socket, p_dev->func, tuple);
}
EXPORT_SYMBOL(pcmcia_get_first_tuple);
int pcmcia_get_next_tuple(client_handle_t handle, tuple_t *tuple)
int pcmcia_get_next_tuple(struct pcmcia_device *p_dev, tuple_t *tuple)
{
struct pcmcia_socket *s;
s = SOCKET(handle);
return pccard_get_next_tuple(s, handle->func, tuple);
return pccard_get_next_tuple(p_dev->socket, p_dev->func, tuple);
}
EXPORT_SYMBOL(pcmcia_get_next_tuple);
int pcmcia_get_tuple_data(client_handle_t handle, tuple_t *tuple)
int pcmcia_get_tuple_data(struct pcmcia_device *p_dev, tuple_t *tuple)
{
struct pcmcia_socket *s;
s = SOCKET(handle);
return pccard_get_tuple_data(s, tuple);
return pccard_get_tuple_data(p_dev->socket, tuple);
}
EXPORT_SYMBOL(pcmcia_get_tuple_data);
int pcmcia_parse_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
int pcmcia_parse_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, cisparse_t *parse)
{
return pccard_parse_tuple(tuple, parse);
}
EXPORT_SYMBOL(pcmcia_parse_tuple);
int pcmcia_validate_cis(client_handle_t handle, cisinfo_t *info)
int pcmcia_validate_cis(struct pcmcia_device *p_dev, cisinfo_t *info)
{
struct pcmcia_socket *s;
s = SOCKET(handle);
return pccard_validate_cis(s, handle->func, info);
return pccard_validate_cis(p_dev->socket, p_dev->func, info);
}
EXPORT_SYMBOL(pcmcia_validate_cis);
int pcmcia_reset_card(client_handle_t handle, client_req_t *req)
int pcmcia_reset_card(struct pcmcia_device *p_dev, client_req_t *req)
{
struct pcmcia_socket *skt;
skt = SOCKET(handle);
if (!skt)
return CS_BAD_HANDLE;
return pccard_reset_card(skt);
return pccard_reset_card(p_dev->socket);
}
EXPORT_SYMBOL(pcmcia_reset_card);
......@@ -202,12 +202,11 @@ int pccard_access_configuration_register(struct pcmcia_socket *s,
return CS_SUCCESS;
} /* pccard_access_configuration_register */
int pcmcia_access_configuration_register(client_handle_t handle,
int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
conf_reg_t *reg)
{
struct pcmcia_socket *s;
s = SOCKET(handle);
return pccard_access_configuration_register(s, handle->func, reg);
return pccard_access_configuration_register(p_dev->socket,
p_dev->func, reg);
}
EXPORT_SYMBOL(pcmcia_access_configuration_register);
......@@ -269,17 +268,11 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
return CS_SUCCESS;
} /* pccard_get_configuration_info */
int pcmcia_get_configuration_info(client_handle_t handle,
int pcmcia_get_configuration_info(struct pcmcia_device *p_dev,
config_info_t *config)
{
struct pcmcia_socket *s;
if (!config)
return CS_BAD_HANDLE;
s = SOCKET(handle);
if (!s)
return CS_BAD_HANDLE;
return pccard_get_configuration_info(s, handle->func, config);
return pccard_get_configuration_info(p_dev->socket, p_dev->func,
config);
}
EXPORT_SYMBOL(pcmcia_get_configuration_info);
......@@ -422,14 +415,14 @@ EXPORT_SYMBOL(pcmcia_map_mem_page);
*
* Modify a locked socket configuration
*/
int pcmcia_modify_configuration(client_handle_t handle,
int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
modconf_t *mod)
{
struct pcmcia_socket *s;
config_t *c;
s = SOCKET(handle);
c = CONFIG(handle);
s = p_dev->socket;
c = CONFIG(p_dev);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
if (!(c->state & CONFIG_LOCKED))
......@@ -466,24 +459,18 @@ int pcmcia_modify_configuration(client_handle_t handle,
EXPORT_SYMBOL(pcmcia_modify_configuration);
int pcmcia_release_configuration(client_handle_t handle)
int pcmcia_release_configuration(struct pcmcia_device *p_dev)
{
pccard_io_map io = { 0, 0, 0, 0, 1 };
struct pcmcia_socket *s;
struct pcmcia_socket *s = p_dev->socket;
int i;
if (!(handle->state & CLIENT_CONFIG_LOCKED))
if (!(p_dev->state & CLIENT_CONFIG_LOCKED))
return CS_BAD_HANDLE;
handle->state &= ~CLIENT_CONFIG_LOCKED;
s = SOCKET(handle);
p_dev->state &= ~CLIENT_CONFIG_LOCKED;
#ifdef CONFIG_CARDBUS
if (handle->state & CLIENT_CARDBUS)
return CS_SUCCESS;
#endif
if (!(handle->state & CLIENT_STALE)) {
config_t *c = CONFIG(handle);
if (!(p_dev->state & CLIENT_STALE)) {
config_t *c = CONFIG(p_dev);
if (--(s->lock_count) == 0) {
s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */
s->socket.Vpp = 0;
......@@ -516,22 +503,16 @@ EXPORT_SYMBOL(pcmcia_release_configuration);
* don't bother checking the port ranges against the current socket
* values.
*/
int pcmcia_release_io(client_handle_t handle, io_req_t *req)
int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
{
struct pcmcia_socket *s;
struct pcmcia_socket *s = p_dev->socket;
if (!(handle->state & CLIENT_IO_REQ))
if (!(p_dev->state & CLIENT_IO_REQ))
return CS_BAD_HANDLE;
handle->state &= ~CLIENT_IO_REQ;
s = SOCKET(handle);
#ifdef CONFIG_CARDBUS
if (handle->state & CLIENT_CARDBUS)
return CS_SUCCESS;
#endif
p_dev->state &= ~CLIENT_IO_REQ;
if (!(handle->state & CLIENT_STALE)) {
config_t *c = CONFIG(handle);
if (!(p_dev->state & CLIENT_STALE)) {
config_t *c = CONFIG(p_dev);
if (c->state & CONFIG_LOCKED)
return CS_CONFIGURATION_LOCKED;
if ((c->io.BasePort1 != req->BasePort1) ||
......@@ -551,16 +532,15 @@ int pcmcia_release_io(client_handle_t handle, io_req_t *req)
EXPORT_SYMBOL(pcmcia_release_io);
int pcmcia_release_irq(client_handle_t handle, irq_req_t *req)
int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
{
struct pcmcia_socket *s;
if (!(handle->state & CLIENT_IRQ_REQ))
struct pcmcia_socket *s = p_dev->socket;
if (!(p_dev->state & CLIENT_IRQ_REQ))
return CS_BAD_HANDLE;
handle->state &= ~CLIENT_IRQ_REQ;
s = SOCKET(handle);
p_dev->state &= ~CLIENT_IRQ_REQ;
if (!(handle->state & CLIENT_STALE)) {
config_t *c = CONFIG(handle);
if (!(p_dev->state & CLIENT_STALE)) {
config_t *c = CONFIG(p_dev);
if (c->state & CONFIG_LOCKED)
return CS_CONFIGURATION_LOCKED;
if (c->irq.Attributes != req->Attributes)
......@@ -616,27 +596,21 @@ int pcmcia_release_window(window_handle_t win)
EXPORT_SYMBOL(pcmcia_release_window);
int pcmcia_request_configuration(client_handle_t handle,
int pcmcia_request_configuration(struct pcmcia_device *p_dev,
config_req_t *req)
{
int i;
u_int base;
struct pcmcia_socket *s;
struct pcmcia_socket *s = p_dev->socket;
config_t *c;
pccard_io_map iomap;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
#ifdef CONFIG_CARDBUS
if (handle->state & CLIENT_CARDBUS)
return CS_UNSUPPORTED_MODE;
#endif
if (req->IntType & INT_CARDBUS)
return CS_UNSUPPORTED_MODE;
c = CONFIG(handle);
c = CONFIG(p_dev);
if (c->state & CONFIG_LOCKED)
return CS_CONFIGURATION_LOCKED;
......@@ -737,7 +711,7 @@ int pcmcia_request_configuration(client_handle_t handle,
}
c->state |= CONFIG_LOCKED;
handle->state |= CLIENT_CONFIG_LOCKED;
p_dev->state |= CLIENT_CONFIG_LOCKED;
return CS_SUCCESS;
} /* pcmcia_request_configuration */
EXPORT_SYMBOL(pcmcia_request_configuration);
......@@ -748,27 +722,17 @@ EXPORT_SYMBOL(pcmcia_request_configuration);
* Request_io() reserves ranges of port addresses for a socket.
* I have not implemented range sharing or alias addressing.
*/
int pcmcia_request_io(client_handle_t handle, io_req_t *req)
int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
{
struct pcmcia_socket *s;
struct pcmcia_socket *s = p_dev->socket;
config_t *c;
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
if (handle->state & CLIENT_CARDBUS) {
#ifdef CONFIG_CARDBUS
handle->state |= CLIENT_IO_REQ;
return CS_SUCCESS;
#else
return CS_UNSUPPORTED_FUNCTION;
#endif
}
if (!req)
return CS_UNSUPPORTED_MODE;
c = CONFIG(handle);
c = CONFIG(p_dev);
if (c->state & CONFIG_LOCKED)
return CS_CONFIGURATION_LOCKED;
if (c->state & CONFIG_IO_REQ)
......@@ -793,7 +757,7 @@ int pcmcia_request_io(client_handle_t handle, io_req_t *req)
c->io = *req;
c->state |= CONFIG_IO_REQ;
handle->state |= CLIENT_IO_REQ;
p_dev->state |= CLIENT_IO_REQ;
return CS_SUCCESS;
} /* pcmcia_request_io */
EXPORT_SYMBOL(pcmcia_request_io);
......@@ -816,17 +780,15 @@ static irqreturn_t test_action(int cpl, void *dev_id, struct pt_regs *regs)
}
#endif
int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
{
struct pcmcia_socket *s;
struct pcmcia_socket *s = p_dev->socket;
config_t *c;
int ret = CS_IN_USE, irq = 0;
struct pcmcia_device *p_dev = handle_to_pdev(handle);
s = SOCKET(handle);
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
c = CONFIG(handle);
c = CONFIG(p_dev);
if (c->state & CONFIG_LOCKED)
return CS_CONFIGURATION_LOCKED;
if (c->state & CONFIG_IRQ_REQ)
......@@ -890,7 +852,7 @@ int pcmcia_request_irq(client_handle_t handle, irq_req_t *req)
s->irq.Config++;
c->state |= CONFIG_IRQ_REQ;
handle->state |= CLIENT_IRQ_REQ;
p_dev->state |= CLIENT_IRQ_REQ;
#ifdef CONFIG_PCMCIA_PROBE
pcmcia_used_irq[irq]++;
......@@ -906,14 +868,13 @@ EXPORT_SYMBOL(pcmcia_request_irq);
* Request_window() establishes a mapping between card memory space
* and system memory space.
*/
int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle_t *wh)
int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_handle_t *wh)
{
struct pcmcia_socket *s;
struct pcmcia_socket *s = (*p_dev)->socket;
window_t *win;
u_long align;
int w;
s = (*handle)->socket;
if (!(s->state & SOCKET_PRESENT))
return CS_NO_CARD;
if (req->Attributes & (WIN_PAGED | WIN_SHARED))
......@@ -942,7 +903,7 @@ int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle
win = &s->win[w];
win->magic = WINDOW_MAGIC;
win->index = w;
win->handle = *handle;
win->handle = *p_dev;
win->sock = s;
if (!(s->features & SS_CAP_STATIC_MAP)) {
......@@ -951,7 +912,7 @@ int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle
if (!win->ctl.res)
return CS_IN_USE;
}
(*handle)->state |= CLIENT_WIN_REQ(w);
(*p_dev)->state |= CLIENT_WIN_REQ(w);
/* Configure the socket controller */
win->ctl.map = w+1;
......
......@@ -77,12 +77,8 @@ typedef struct servinfo_t {
} servinfo_t;
typedef struct event_callback_args_t {
client_handle_t client_handle;
void *info;
void *mtdrequest;
void *buffer;
void *misc;
void *client_data;
struct pcmcia_device *client_handle;
void *client_data;
} event_callback_args_t;
/* for GetConfigurationInfo */
......@@ -393,25 +389,25 @@ enum service {
struct pcmcia_socket;
int pcmcia_access_configuration_register(client_handle_t handle, conf_reg_t *reg);
int pcmcia_deregister_client(client_handle_t handle);
int pcmcia_get_configuration_info(client_handle_t handle, config_info_t *config);
int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, conf_reg_t *reg);
int pcmcia_deregister_client(struct pcmcia_device *p_dev);
int pcmcia_get_configuration_info(struct pcmcia_device *p_dev, config_info_t *config);
int pcmcia_get_first_window(window_handle_t *win, win_req_t *req);
int pcmcia_get_next_window(window_handle_t *win, win_req_t *req);
int pcmcia_get_status(client_handle_t handle, cs_status_t *status);
int pcmcia_get_status(struct pcmcia_device *p_dev, cs_status_t *status);
int pcmcia_get_mem_page(window_handle_t win, memreq_t *req);
int pcmcia_map_mem_page(window_handle_t win, memreq_t *req);
int pcmcia_modify_configuration(client_handle_t handle, modconf_t *mod);
int pcmcia_modify_configuration(struct pcmcia_device *p_dev, modconf_t *mod);
int pcmcia_register_client(client_handle_t *handle, client_reg_t *req);
int pcmcia_release_configuration(client_handle_t handle);
int pcmcia_release_io(client_handle_t handle, io_req_t *req);
int pcmcia_release_irq(client_handle_t handle, irq_req_t *req);
int pcmcia_release_configuration(struct pcmcia_device *p_dev);
int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req);
int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req);
int pcmcia_release_window(window_handle_t win);
int pcmcia_request_configuration(client_handle_t handle, config_req_t *req);
int pcmcia_request_io(client_handle_t handle, io_req_t *req);
int pcmcia_request_irq(client_handle_t handle, irq_req_t *req);
int pcmcia_request_window(client_handle_t *handle, win_req_t *req, window_handle_t *wh);
int pcmcia_reset_card(client_handle_t handle, client_req_t *req);
int pcmcia_request_configuration(struct pcmcia_device *p_dev, config_req_t *req);
int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req);
int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req);
int pcmcia_request_window(struct pcmcia_device **p_dev, win_req_t *req, window_handle_t *wh);
int pcmcia_reset_card(struct pcmcia_device *p_dev, client_req_t *req);
int pcmcia_suspend_card(struct pcmcia_socket *skt);
int pcmcia_resume_card(struct pcmcia_socket *skt);
int pcmcia_eject_card(struct pcmcia_socket *skt);
......
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