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pcmcia: remove unused flag, simplify headers 

As we only provide one way to set up resources now, we can remove
the resource-setup-related bitfield (except resource_setup_done).
In addition, pcmcia_state only consisted of one entry, so remove
this bitfield as well.

Suggested-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski 2010-07-21 14:43:05 +02:00
parent 134716f19b
commit ce3f9d71bd
3 changed files with 10 additions and 26 deletions
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14
drivers/pcmcia/ds.c
View File

@ -294,7 +294,7 @@ static int pcmcia_device_probe(struct device *dev)
}
mutex_lock(&s->ops_mutex);
if ((s->pcmcia_state.has_pfc) &&
if ((s->pcmcia_pfc) &&
(p_dev->socket->device_count == 1) && (p_dev->device_no == 0))
pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
mutex_unlock(&s->ops_mutex);
@ -359,7 +359,7 @@ static int pcmcia_device_remove(struct device *dev)
* pseudo multi-function card, we need to unbind
* all devices
*/
if ((p_dev->socket->pcmcia_state.has_pfc) &&
if ((p_dev->socket->pcmcia_pfc) &&
(p_dev->socket->device_count > 0) &&
(p_dev->device_no == 0))
pcmcia_card_remove(p_dev->socket, p_dev);
@ -681,7 +681,7 @@ static void pcmcia_requery(struct pcmcia_socket *s)
* call pcmcia_device_add() -- which will fail if both
* devices are already registered. */
mutex_lock(&s->ops_mutex);
has_pfc = s->pcmcia_state.has_pfc;
has_pfc = s->pcmcia_pfc;
mutex_unlock(&s->ops_mutex);
if (has_pfc)
pcmcia_device_add(s, 0);
@ -813,7 +813,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
if (did->match_flags & PCMCIA_DEV_ID_MATCH_DEVICE_NO) {
dev_dbg(&dev->dev, "this is a pseudo-multi-function device\n");
mutex_lock(&dev->socket->ops_mutex);
dev->socket->pcmcia_state.has_pfc = 1;
dev->socket->pcmcia_pfc = 1;
mutex_unlock(&dev->socket->ops_mutex);
if (dev->device_no != did->device_no)
return 0;
@ -827,7 +827,7 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
/* if this is a pseudo-multi-function device,
* we need explicit matches */
if (dev->socket->pcmcia_state.has_pfc)
if (dev->socket->pcmcia_pfc)
return 0;
if (dev->device_no)
return 0;
@ -1226,7 +1226,7 @@ static int pcmcia_bus_add(struct pcmcia_socket *skt)
atomic_set(&skt->present, 1);
mutex_lock(&skt->ops_mutex);
skt->pcmcia_state.has_pfc = 0;
skt->pcmcia_pfc = 0;
destroy_cis_cache(skt); /* to be on the safe side... */
mutex_unlock(&skt->ops_mutex);
@ -1317,7 +1317,7 @@ static int __devinit pcmcia_bus_add_socket(struct device *dev,
}
INIT_LIST_HEAD(&socket->devices_list);
memset(&socket->pcmcia_state, 0, sizeof(u8));
socket->pcmcia_pfc = 0;
socket->device_count = 0;
atomic_set(&socket->present, 0);

4
drivers/pcmcia/rsrc_nonstatic.c
View File

@ -1113,8 +1113,6 @@ static ssize_t store_io_db(struct device *dev,
mutex_lock(&s->ops_mutex);
ret = adjust_io(s, add, start_addr, end_addr);
if (!ret)
s->resource_setup_new = 1;
mutex_unlock(&s->ops_mutex);
return ret ? ret : count;
@ -1181,8 +1179,6 @@ static ssize_t store_mem_db(struct device *dev,
mutex_lock(&s->ops_mutex);
ret = adjust_memory(s, add, start_addr, end_addr);
if (!ret)
s->resource_setup_new = 1;
mutex_unlock(&s->ops_mutex);
return ret ? ret : count;

18
include/pcmcia/ss.h
View File

@ -162,17 +162,10 @@ struct pcmcia_socket {
u_int pci_irq;
struct pci_dev *cb_dev;
/* socket setup is done so resources should be able to be allocated.
* Only if set to 1, calls to find_{io,mem}_region are handled, and
* insertio events are actually managed by the PCMCIA layer.*/
u8 resource_setup_done:1;
/* It's old if resource setup is done using adjust_resource_info() */
u8 resource_setup_old:1;
u8 resource_setup_new:1;
u8 reserved:5;
u8 resource_setup_done;
/* socket operations */
struct pccard_operations *ops;
@ -218,13 +211,8 @@ struct pcmcia_socket {
* incorrectness and change */
u8 device_count;
/* 16-bit state: */
struct {
/* the PCMCIA card consists of two pseudo devices */
u8 has_pfc:1;
u8 reserved:7;
} pcmcia_state;
/* does the PCMCIA card consist of two pseudo devices? */
u8 pcmcia_pfc;
/* non-zero if PCMCIA card is present */
atomic_t present;