mirror of https://gitee.com/openkylin/linux.git
[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: 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
Linus Torvalds
parent
e12a9a93a8
commit
2bc5a9bdc5
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@ -158,17 +158,15 @@ static const lookup_t service_table[] = {
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};
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static int pcmcia_report_error(client_handle_t handle, error_info_t *err)
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static int pcmcia_report_error(struct pcmcia_device *p_dev, error_info_t *err)
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{
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int i;
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char *serv;
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if (!handle)
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if (!p_dev)
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printk(KERN_NOTICE);
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else {
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struct pcmcia_device *p_dev = handle_to_pdev(handle);
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else
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printk(KERN_NOTICE "%s: ", p_dev->dev.bus_id);
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}
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for (i = 0; i < ARRAY_SIZE(service_table); i++)
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if (service_table[i].key == err->func)
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@ -193,10 +191,10 @@ static int pcmcia_report_error(client_handle_t handle, error_info_t *err)
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/*======================================================================*/
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void cs_error(client_handle_t handle, int func, int ret)
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void cs_error(struct pcmcia_device *p_dev, int func, int ret)
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{
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error_info_t err = { func, ret };
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pcmcia_report_error(handle, &err);
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pcmcia_report_error(p_dev, &err);
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}
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EXPORT_SYMBOL(cs_error);
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@ -574,8 +572,6 @@ static int pcmcia_card_add(struct pcmcia_socket *s)
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else
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no_funcs = 1;
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/* this doesn't handle multifunction devices on one pcmcia function
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* yet. */
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for (i=0; i < no_funcs; i++)
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pcmcia_device_add(s, i);
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@ -994,9 +990,8 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
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int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
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int pcmcia_register_client(struct pcmcia_device **handle, client_reg_t *req)
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{
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struct pcmcia_device *client = NULL;
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struct pcmcia_socket *s = NULL;
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struct pcmcia_device *p_dev = NULL;
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struct pcmcia_driver *p_drv = NULL;
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@ -1024,7 +1019,6 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
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}
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p_drv = to_pcmcia_drv(p_dev->dev.driver);
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if (!strncmp(p_drv->drv.name, (char *)req->dev_info, DEV_NAME_LEN)) {
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client = p_dev;
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spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
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goto found;
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}
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@ -1035,7 +1029,7 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
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}
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found:
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up_read(&pcmcia_socket_list_rwsem);
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if (!p_dev || !client)
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if (!p_dev)
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return -ENODEV;
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pcmcia_put_socket(s); /* safe, as we already hold a reference from bind_device */
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@ -1046,12 +1040,9 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
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p_dev->event_callback_args.client_handle = p_dev;
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if (s->state & SOCKET_CARDBUS)
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client->state |= CLIENT_CARDBUS;
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if ((!(s->state & SOCKET_CARDBUS)) && (s->functions == 0)) {
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if (!s->functions) {
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cistpl_longlink_mfc_t mfc;
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if (pccard_read_tuple(s, client->func, CISTPL_LONGLINK_MFC, &mfc)
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if (pccard_read_tuple(s, p_dev->func, CISTPL_LONGLINK_MFC, &mfc)
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== CS_SUCCESS)
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s->functions = mfc.nfn;
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else
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@ -1064,7 +1055,7 @@ int pcmcia_register_client(client_handle_t *handle, client_reg_t *req)
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}
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ds_dbg(1, "register_client(): client 0x%p, dev %s\n",
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client, p_dev->dev.bus_id);
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p_dev, p_dev->dev.bus_id);
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if ((s->state & (SOCKET_PRESENT|SOCKET_CARDBUS)) == SOCKET_PRESENT) {
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if (p_drv->event)
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@ -1112,26 +1103,25 @@ static int unbind_request(struct pcmcia_socket *s)
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return 0;
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} /* unbind_request */
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int pcmcia_deregister_client(client_handle_t handle)
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int pcmcia_deregister_client(struct pcmcia_device *p_dev)
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{
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struct pcmcia_socket *s;
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int i;
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struct pcmcia_device *p_dev = handle_to_pdev(handle);
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s = SOCKET(handle);
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ds_dbg(1, "deregister_client(%p)\n", handle);
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s = p_dev->socket;
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ds_dbg(1, "deregister_client(%p)\n", p_dev);
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if (handle->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED))
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if (p_dev->state & (CLIENT_IRQ_REQ|CLIENT_IO_REQ|CLIENT_CONFIG_LOCKED))
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goto warn_out;
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for (i = 0; i < MAX_WIN; i++)
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if (handle->state & CLIENT_WIN_REQ(i))
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if (p_dev->state & CLIENT_WIN_REQ(i))
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goto warn_out;
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if (handle->state & CLIENT_STALE) {
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handle->state &= ~CLIENT_STALE;
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if (p_dev->state & CLIENT_STALE) {
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p_dev->state &= ~CLIENT_STALE;
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pcmcia_put_dev(p_dev);
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} else {
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handle->state = CLIENT_UNBOUND;
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p_dev->state = CLIENT_UNBOUND;
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}
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return CS_SUCCESS;
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@ -28,53 +28,39 @@
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#include "cs_internal.h"
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int pcmcia_get_first_tuple(client_handle_t handle, tuple_t *tuple)
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int pcmcia_get_first_tuple(struct pcmcia_device *p_dev, tuple_t *tuple)
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{
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struct pcmcia_socket *s;
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s = SOCKET(handle);
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return pccard_get_first_tuple(s, handle->func, tuple);
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return pccard_get_first_tuple(p_dev->socket, p_dev->func, tuple);
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}
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EXPORT_SYMBOL(pcmcia_get_first_tuple);
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int pcmcia_get_next_tuple(client_handle_t handle, tuple_t *tuple)
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int pcmcia_get_next_tuple(struct pcmcia_device *p_dev, tuple_t *tuple)
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{
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struct pcmcia_socket *s;
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s = SOCKET(handle);
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return pccard_get_next_tuple(s, handle->func, tuple);
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return pccard_get_next_tuple(p_dev->socket, p_dev->func, tuple);
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}
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EXPORT_SYMBOL(pcmcia_get_next_tuple);
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int pcmcia_get_tuple_data(client_handle_t handle, tuple_t *tuple)
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int pcmcia_get_tuple_data(struct pcmcia_device *p_dev, tuple_t *tuple)
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{
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struct pcmcia_socket *s;
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s = SOCKET(handle);
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return pccard_get_tuple_data(s, tuple);
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return pccard_get_tuple_data(p_dev->socket, tuple);
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}
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EXPORT_SYMBOL(pcmcia_get_tuple_data);
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int pcmcia_parse_tuple(client_handle_t handle, tuple_t *tuple, cisparse_t *parse)
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int pcmcia_parse_tuple(struct pcmcia_device *p_dev, tuple_t *tuple, cisparse_t *parse)
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{
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return pccard_parse_tuple(tuple, parse);
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}
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EXPORT_SYMBOL(pcmcia_parse_tuple);
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int pcmcia_validate_cis(client_handle_t handle, cisinfo_t *info)
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int pcmcia_validate_cis(struct pcmcia_device *p_dev, cisinfo_t *info)
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{
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struct pcmcia_socket *s;
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s = SOCKET(handle);
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return pccard_validate_cis(s, handle->func, info);
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return pccard_validate_cis(p_dev->socket, p_dev->func, info);
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}
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EXPORT_SYMBOL(pcmcia_validate_cis);
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int pcmcia_reset_card(client_handle_t handle, client_req_t *req)
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int pcmcia_reset_card(struct pcmcia_device *p_dev, client_req_t *req)
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{
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struct pcmcia_socket *skt;
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skt = SOCKET(handle);
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if (!skt)
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return CS_BAD_HANDLE;
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return pccard_reset_card(skt);
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return pccard_reset_card(p_dev->socket);
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}
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EXPORT_SYMBOL(pcmcia_reset_card);
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@ -202,12 +202,11 @@ int pccard_access_configuration_register(struct pcmcia_socket *s,
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return CS_SUCCESS;
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} /* pccard_access_configuration_register */
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int pcmcia_access_configuration_register(client_handle_t handle,
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int pcmcia_access_configuration_register(struct pcmcia_device *p_dev,
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conf_reg_t *reg)
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{
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struct pcmcia_socket *s;
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s = SOCKET(handle);
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return pccard_access_configuration_register(s, handle->func, reg);
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return pccard_access_configuration_register(p_dev->socket,
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p_dev->func, reg);
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}
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EXPORT_SYMBOL(pcmcia_access_configuration_register);
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@ -269,17 +268,11 @@ int pccard_get_configuration_info(struct pcmcia_socket *s,
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return CS_SUCCESS;
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} /* pccard_get_configuration_info */
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int pcmcia_get_configuration_info(client_handle_t handle,
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int pcmcia_get_configuration_info(struct pcmcia_device *p_dev,
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config_info_t *config)
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{
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struct pcmcia_socket *s;
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if (!config)
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return CS_BAD_HANDLE;
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s = SOCKET(handle);
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if (!s)
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return CS_BAD_HANDLE;
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return pccard_get_configuration_info(s, handle->func, config);
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return pccard_get_configuration_info(p_dev->socket, p_dev->func,
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config);
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}
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EXPORT_SYMBOL(pcmcia_get_configuration_info);
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@ -422,14 +415,14 @@ EXPORT_SYMBOL(pcmcia_map_mem_page);
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*
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* Modify a locked socket configuration
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*/
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int pcmcia_modify_configuration(client_handle_t handle,
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int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
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modconf_t *mod)
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{
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struct pcmcia_socket *s;
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config_t *c;
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s = SOCKET(handle);
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c = CONFIG(handle);
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s = p_dev->socket;
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c = CONFIG(p_dev);
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if (!(s->state & SOCKET_PRESENT))
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return CS_NO_CARD;
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if (!(c->state & CONFIG_LOCKED))
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@ -466,24 +459,18 @@ int pcmcia_modify_configuration(client_handle_t handle,
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EXPORT_SYMBOL(pcmcia_modify_configuration);
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int pcmcia_release_configuration(client_handle_t handle)
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int pcmcia_release_configuration(struct pcmcia_device *p_dev)
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{
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pccard_io_map io = { 0, 0, 0, 0, 1 };
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struct pcmcia_socket *s;
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struct pcmcia_socket *s = p_dev->socket;
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int i;
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if (!(handle->state & CLIENT_CONFIG_LOCKED))
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if (!(p_dev->state & CLIENT_CONFIG_LOCKED))
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return CS_BAD_HANDLE;
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handle->state &= ~CLIENT_CONFIG_LOCKED;
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s = SOCKET(handle);
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p_dev->state &= ~CLIENT_CONFIG_LOCKED;
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#ifdef CONFIG_CARDBUS
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if (handle->state & CLIENT_CARDBUS)
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return CS_SUCCESS;
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#endif
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if (!(handle->state & CLIENT_STALE)) {
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config_t *c = CONFIG(handle);
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if (!(p_dev->state & CLIENT_STALE)) {
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config_t *c = CONFIG(p_dev);
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if (--(s->lock_count) == 0) {
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s->socket.flags = SS_OUTPUT_ENA; /* Is this correct? */
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s->socket.Vpp = 0;
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@ -516,22 +503,16 @@ EXPORT_SYMBOL(pcmcia_release_configuration);
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* don't bother checking the port ranges against the current socket
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* values.
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*/
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int pcmcia_release_io(client_handle_t handle, io_req_t *req)
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int pcmcia_release_io(struct pcmcia_device *p_dev, io_req_t *req)
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{
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struct pcmcia_socket *s;
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struct pcmcia_socket *s = p_dev->socket;
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if (!(handle->state & CLIENT_IO_REQ))
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if (!(p_dev->state & CLIENT_IO_REQ))
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return CS_BAD_HANDLE;
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handle->state &= ~CLIENT_IO_REQ;
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s = SOCKET(handle);
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p_dev->state &= ~CLIENT_IO_REQ;
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#ifdef CONFIG_CARDBUS
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if (handle->state & CLIENT_CARDBUS)
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return CS_SUCCESS;
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#endif
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if (!(handle->state & CLIENT_STALE)) {
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config_t *c = CONFIG(handle);
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if (!(p_dev->state & CLIENT_STALE)) {
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config_t *c = CONFIG(p_dev);
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if (c->state & CONFIG_LOCKED)
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return CS_CONFIGURATION_LOCKED;
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if ((c->io.BasePort1 != req->BasePort1) ||
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@ -551,16 +532,15 @@ int pcmcia_release_io(client_handle_t handle, io_req_t *req)
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EXPORT_SYMBOL(pcmcia_release_io);
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int pcmcia_release_irq(client_handle_t handle, irq_req_t *req)
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int pcmcia_release_irq(struct pcmcia_device *p_dev, irq_req_t *req)
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{
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struct pcmcia_socket *s;
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if (!(handle->state & CLIENT_IRQ_REQ))
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struct pcmcia_socket *s = p_dev->socket;
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if (!(p_dev->state & CLIENT_IRQ_REQ))
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return CS_BAD_HANDLE;
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handle->state &= ~CLIENT_IRQ_REQ;
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s = SOCKET(handle);
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p_dev->state &= ~CLIENT_IRQ_REQ;
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if (!(handle->state & CLIENT_STALE)) {
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config_t *c = CONFIG(handle);
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if (!(p_dev->state & CLIENT_STALE)) {
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config_t *c = CONFIG(p_dev);
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if (c->state & CONFIG_LOCKED)
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return CS_CONFIGURATION_LOCKED;
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if (c->irq.Attributes != req->Attributes)
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@ -616,27 +596,21 @@ int pcmcia_release_window(window_handle_t win)
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EXPORT_SYMBOL(pcmcia_release_window);
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int pcmcia_request_configuration(client_handle_t handle,
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int pcmcia_request_configuration(struct pcmcia_device *p_dev,
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config_req_t *req)
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{
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int i;
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u_int base;
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struct pcmcia_socket *s;
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struct pcmcia_socket *s = p_dev->socket;
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config_t *c;
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pccard_io_map iomap;
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s = SOCKET(handle);
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if (!(s->state & SOCKET_PRESENT))
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return CS_NO_CARD;
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#ifdef CONFIG_CARDBUS
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if (handle->state & CLIENT_CARDBUS)
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return CS_UNSUPPORTED_MODE;
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#endif
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if (req->IntType & INT_CARDBUS)
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return CS_UNSUPPORTED_MODE;
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c = CONFIG(handle);
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c = CONFIG(p_dev);
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if (c->state & CONFIG_LOCKED)
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return CS_CONFIGURATION_LOCKED;
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@ -737,7 +711,7 @@ int pcmcia_request_configuration(client_handle_t handle,
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}
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c->state |= CONFIG_LOCKED;
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handle->state |= CLIENT_CONFIG_LOCKED;
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p_dev->state |= CLIENT_CONFIG_LOCKED;
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return CS_SUCCESS;
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} /* pcmcia_request_configuration */
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EXPORT_SYMBOL(pcmcia_request_configuration);
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@ -748,27 +722,17 @@ EXPORT_SYMBOL(pcmcia_request_configuration);
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* Request_io() reserves ranges of port addresses for a socket.
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* I have not implemented range sharing or alias addressing.
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*/
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int pcmcia_request_io(client_handle_t handle, io_req_t *req)
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int pcmcia_request_io(struct pcmcia_device *p_dev, io_req_t *req)
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{
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struct pcmcia_socket *s;
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struct pcmcia_socket *s = p_dev->socket;
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config_t *c;
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s = SOCKET(handle);
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if (!(s->state & SOCKET_PRESENT))
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return CS_NO_CARD;
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if (handle->state & CLIENT_CARDBUS) {
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#ifdef CONFIG_CARDBUS
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handle->state |= CLIENT_IO_REQ;
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return CS_SUCCESS;
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#else
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return CS_UNSUPPORTED_FUNCTION;
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#endif
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}
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if (!req)
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return CS_UNSUPPORTED_MODE;
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c = CONFIG(handle);
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c = CONFIG(p_dev);
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if (c->state & CONFIG_LOCKED)
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return CS_CONFIGURATION_LOCKED;
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if (c->state & CONFIG_IO_REQ)
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@ -793,7 +757,7 @@ int pcmcia_request_io(client_handle_t handle, io_req_t *req)
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c->io = *req;
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c->state |= CONFIG_IO_REQ;
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handle->state |= CLIENT_IO_REQ;
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p_dev->state |= CLIENT_IO_REQ;
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return CS_SUCCESS;
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} /* pcmcia_request_io */
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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);
|
||||
|
|
|
|||
Loading…
Reference in New Issue