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[PATCH] pcmcia: convert pcmcia_cs to kthread

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Convert pcmcia_cs to use kthread instead of the deprecated
kernel_thread.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Serge E. Hallyn 2006-06-14 08:01:26 -05:00 committed by Dominik Brodowski
parent 6600521607
commit 1da9ab7389
1 changed files with 13 additions and 11 deletions
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24
drivers/pcmcia/cs.c
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@ -28,6 +28,7 @@
#include <linux/pm.h> #include <linux/pm.h>
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/device.h> #include <linux/device.h>
#include <linux/kthread.h>
#include <asm/system.h> #include <asm/system.h>
#include <asm/irq.h> #include <asm/irq.h>
@ -176,6 +177,7 @@ static int pccardd(void *__skt);
*/ */
int pcmcia_register_socket(struct pcmcia_socket *socket) int pcmcia_register_socket(struct pcmcia_socket *socket)
{ {
struct task_struct *tsk;
int ret; int ret;
if (!socket || !socket->ops || !socket->dev.dev || !socket->resource_ops) if (!socket || !socket->ops || !socket->dev.dev || !socket->resource_ops)
@ -239,15 +241,18 @@ int pcmcia_register_socket(struct pcmcia_socket *socket)
mutex_init(&socket->skt_mutex); mutex_init(&socket->skt_mutex);
spin_lock_init(&socket->thread_lock); spin_lock_init(&socket->thread_lock);
ret = kernel_thread(pccardd, socket, CLONE_KERNEL); tsk = kthread_run(pccardd, socket, "pccardd");
if (ret < 0) if (IS_ERR(tsk)) {
ret = PTR_ERR(tsk);
goto err; goto err;
}
wait_for_completion(&socket->thread_done); wait_for_completion(&socket->thread_done);
if(!socket->thread) { if (!socket->thread) {
printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket); printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket);
return -EIO; return -EIO;
} }
pcmcia_parse_events(socket, SS_DETECT); pcmcia_parse_events(socket, SS_DETECT);
return 0; return 0;
@ -272,10 +277,8 @@ void pcmcia_unregister_socket(struct pcmcia_socket *socket)
cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops); cs_dbg(socket, 0, "pcmcia_unregister_socket(0x%p)\n", socket->ops);
if (socket->thread) { if (socket->thread) {
init_completion(&socket->thread_done);
socket->thread = NULL;
wake_up(&socket->thread_wait); wake_up(&socket->thread_wait);
wait_for_completion(&socket->thread_done); kthread_stop(socket->thread);
} }
release_cis_mem(socket); release_cis_mem(socket);
@ -630,8 +633,6 @@ static int pccardd(void *__skt)
DECLARE_WAITQUEUE(wait, current); DECLARE_WAITQUEUE(wait, current);
int ret; int ret;
daemonize("pccardd");
skt->thread = current; skt->thread = current;
skt->socket = dead_socket; skt->socket = dead_socket;
skt->ops->init(skt); skt->ops->init(skt);
@ -643,7 +644,8 @@ static int pccardd(void *__skt)
printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n", printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n",
skt); skt);
skt->thread = NULL; skt->thread = NULL;
complete_and_exit(&skt->thread_done, 0); complete(&skt->thread_done);
return 0;
} }
add_wait_queue(&skt->thread_wait, &wait); add_wait_queue(&skt->thread_wait, &wait);
@ -674,7 +676,7 @@ static int pccardd(void *__skt)
continue; continue;
} }
if (!skt->thread) if (kthread_should_stop())
break; break;
schedule(); schedule();
@ -688,7 +690,7 @@ static int pccardd(void *__skt)
/* remove from the device core */ /* remove from the device core */
class_device_unregister(&skt->dev); class_device_unregister(&skt->dev);
complete_and_exit(&skt->thread_done, 0); return 0;
} }
/* /*