/* sa1100_pcmcia_task_handler()
* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* Processes serviceable socket events using the "eventd" thread context.
*
* Event processing (specifically, the invocation of the Card Services event
* callback) occurs in this thread rather than in the actual interrupt
* handler due to the use of scheduling operations in the PCMCIA core.
*/
static void sa1100_pcmcia_task_handler(void *data) {
struct pcmcia_state state[SA1100_PCMCIA_MAX_SOCK];
struct pcmcia_state_array state_array;
int i, events, all_events, irq_status;
DEBUG(2, "%s(): entering PCMCIA monitoring thread\n", __FUNCTION__);
state_array.size=sa1100_pcmcia_socket_count;
state_array.state=state;
do {
DEBUG(3, "%s(): interrogating low-level PCMCIA service\n", __FUNCTION__);
if((irq_status=pcmcia_low_level->socket_state(&state_array))<0)
printk(KERN_ERR "Error in kernel low-level PCMCIA service.\n");
all_events=0;
if(irq_status>0){
for(i=0; i<state_array.size; ++i, all_events|=events)
if((events=
sa1100_pcmcia_events(&state[i],
&sa1100_pcmcia_socket[i].k_state,
sa1100_pcmcia_socket[i].cs_state.csc_mask,
sa1100_pcmcia_socket[i].cs_state.flags)))
if(sa1100_pcmcia_socket[i].handler!=NULL)
sa1100_pcmcia_socket[i].handler(sa1100_pcmcia_socket[i].handler_info,
events);
}
} while(all_events);
} /* sa1100_pcmcia_task_handler() */
/* sa1100_pcmcia_task_handler()
* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
* Processes serviceable socket events using the "eventd" thread context.
*
* Event processing (specifically, the invocation of the Card Services event
* callback) occurs in this thread rather than in the actual interrupt
* handler due to the use of scheduling operations in the PCMCIA core.
*/
static void sa1100_pcmcia_task_handler(void *data)
{
struct pcmcia_state state[SA1100_PCMCIA_MAX_SOCK];
struct pcmcia_state_array state_array;
unsigned int all_events;
DEBUG(4, "%s(): entering PCMCIA monitoring thread\n", __FUNCTION__);
state_array.size = sa1100_pcmcia_socket_count;
state_array.state = state;
do {
unsigned int events;
int ret, i;
memset(state, 0, sizeof(state));
DEBUG(4, "%s(): interrogating low-level PCMCIA service\n", __FUNCTION__);
ret = pcmcia_low_level->socket_state(&state_array);
if (ret < 0) {
printk(KERN_ERR "sa1100_pcmcia: unable to read socket status\n");
break;
}
all_events = 0;
for (i = 0; i < state_array.size; i++, all_events |= events) {
struct sa1100_pcmcia_socket *skt = PCMCIA_SOCKET(i);
events = sa1100_pcmcia_events(&state[i], &skt->k_state,
skt->cs_state.csc_mask,
skt->cs_state.flags);
if (events && sa1100_pcmcia_socket[i].handler != NULL)
skt->handler(skt->handler_info, events);
}
} while(all_events);
} /* sa1100_pcmcia_task_handler() */
