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Commit 1da9ab73 authored by Serge E. Hallyn's avatar Serge E. Hallyn Committed by Dominik Brodowski
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[PATCH] pcmcia: convert pcmcia_cs to kthread 



Convert pcmcia_cs to use kthread instead of the deprecated
kernel_thread.

Signed-off-by: default avatarSerge E. Hallyn <serue@us.ibm.com>
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent 66005216

drivers/pcmcia/cs.c

+13 −11
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ 
#include <linux/pm.h>

#include <linux/pci.h>

#include <linux/device.h>

#include <linux/kthread.h>

#include <asm/system.h>

#include <asm/irq.h>
@@ -176,6 +177,7 @@ static int pccardd(void *__skt); 
 */

int pcmcia_register_socket(struct pcmcia_socket *socket)

{

	struct task_struct *tsk;

	int ret;



	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);

	spin_lock_init(&socket->thread_lock);



	ret = kernel_thread(pccardd, socket, CLONE_KERNEL);

	if (ret < 0)

	tsk = kthread_run(pccardd, socket, "pccardd");

	if (IS_ERR(tsk)) {

		ret = PTR_ERR(tsk);

		goto err;

	}



	wait_for_completion(&socket->thread_done);

	if (!socket->thread) {

		printk(KERN_WARNING "PCMCIA: warning: socket thread for socket %p did not start\n", socket);

		return -EIO;

	}



	pcmcia_parse_events(socket, SS_DETECT);



	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);



	if (socket->thread) {

		init_completion(&socket->thread_done);

		socket->thread = NULL;

		wake_up(&socket->thread_wait);

		wait_for_completion(&socket->thread_done);

		kthread_stop(socket->thread);

	}

	release_cis_mem(socket);
@@ -630,8 +633,6 @@ static int pccardd(void *__skt) 
	DECLARE_WAITQUEUE(wait, current);

	int ret;



	daemonize("pccardd");



	skt->thread = current;

	skt->socket = dead_socket;

	skt->ops->init(skt);
@@ -643,7 +644,8 @@ static int pccardd(void *__skt) 
		printk(KERN_WARNING "PCMCIA: unable to register socket 0x%p\n",

			skt);

		skt->thread = NULL;

		complete_and_exit(&skt->thread_done, 0);

		complete(&skt->thread_done);

		return 0;

	}



	add_wait_queue(&skt->thread_wait, &wait);
@@ -674,7 +676,7 @@ static int pccardd(void *__skt) 
			continue;

		}



		if (!skt->thread)

		if (kthread_should_stop())

			break;



		schedule();
@@ -688,7 +690,7 @@ static int pccardd(void *__skt) 
	/* remove from the device core */

	class_device_unregister(&skt->dev);



	complete_and_exit(&skt->thread_done, 0);

	return 0;

}



/*