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Commit 2428a8fe authored by Alex Dubov's avatar Alex Dubov Committed by Pierre Ossman
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tifm: move common device management tasks from tifm_7xx1 to tifm_core 



Some details of the device management (create, add, remove) are really
belong to the tifm_core, as they are not hardware specific.

Signed-off-by: default avatarAlex Dubov <oakad@yahoo.com>
Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 6113ed73

drivers/misc/tifm_7xx1.c

+35 −59
Original line number Diff line number Diff line
@@ -136,7 +136,6 @@ static void tifm_7xx1_switch_media(struct work_struct *work) 
					       media_switcher);

	unsigned long flags;

	unsigned char media_id;

	char *card_name = "xx";

	int cnt;

	struct tifm_dev *sock;

	unsigned int socket_change_set;
@@ -158,49 +157,27 @@ static void tifm_7xx1_switch_media(struct work_struct *work) 
			continue;

		sock = fm->sockets[cnt];

		if (sock) {

				printk(KERN_INFO DRIVER_NAME

				       ": demand removing card from socket %d\n",

				       cnt);

			printk(KERN_INFO

			       "%s : demand removing card from socket %u:%u\n",

			       fm->cdev.class_id, fm->id, cnt);

			fm->sockets[cnt] = NULL;

			spin_unlock_irqrestore(&fm->lock, flags);

			device_unregister(&sock->dev);

			spin_lock_irqsave(&fm->lock, flags);

				writel(0x0e00,

				       tifm_7xx1_sock_addr(fm->addr, cnt)

			writel(0x0e00, tifm_7xx1_sock_addr(fm->addr, cnt)

			       + SOCK_CONTROL);

		}



		spin_unlock_irqrestore(&fm->lock, flags);



		media_id = tifm_7xx1_toggle_sock_power(

				tifm_7xx1_sock_addr(fm->addr, cnt));

			if (media_id) {

				sock = tifm_alloc_device(fm);



		// tifm_alloc_device will check if media_id is valid

		sock = tifm_alloc_device(fm, cnt, media_id);

		if (sock) {

					sock->addr = tifm_7xx1_sock_addr(fm->addr,

									 cnt);

					sock->type = media_id;

					sock->socket_id = cnt;

					switch (media_id) {

					case 1:

						card_name = "xd";

						break;

					case 2:

						card_name = "ms";

						break;

					case 3:

						card_name = "sd";

						break;

					default:

						tifm_free_device(&sock->dev);

						spin_lock_irqsave(&fm->lock, flags);

						continue;

					}

					snprintf(sock->dev.bus_id, BUS_ID_SIZE,

						 "tifm_%s%u:%u", card_name,

						 fm->id, cnt);

					printk(KERN_INFO DRIVER_NAME

					       ": %s card detected in socket %d\n",

					       card_name, cnt);

			sock->addr = tifm_7xx1_sock_addr(fm->addr, cnt);



			if (!device_register(&sock->dev)) {

				spin_lock_irqsave(&fm->lock, flags);

				if (!fm->sockets[cnt]) {
@@ -214,7 +191,6 @@ static void tifm_7xx1_switch_media(struct work_struct *work) 
		}

		spin_lock_irqsave(&fm->lock, flags);

	}

		}



	writel(TIFM_IRQ_FIFOMASK(socket_change_set)

	       | TIFM_IRQ_CARDMASK(socket_change_set),

drivers/misc/tifm_core.c

+27 −12
Original line number Diff line number Diff line
@@ -232,25 +232,40 @@ EXPORT_SYMBOL(tifm_free_adapter); 


void tifm_free_device(struct device *dev)

{

	struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev);

	kfree(fm_dev);

	struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);

	kfree(sock);

}

EXPORT_SYMBOL(tifm_free_device);



struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm)

struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,

				   unsigned char type)

{

	struct tifm_dev *dev = kzalloc(sizeof(struct tifm_dev), GFP_KERNEL);

	struct tifm_dev *sock = NULL;



	if (!tifm_media_type_name(type, 0))

		return sock;



	sock = kzalloc(sizeof(struct tifm_dev), GFP_KERNEL);

	if (sock) {

		spin_lock_init(&sock->lock);

		sock->type = type;

		sock->socket_id = id;

		sock->card_event = tifm_dummy_event;

		sock->data_event = tifm_dummy_event;



	if (dev) {

		spin_lock_init(&dev->lock);

		sock->dev.parent = fm->cdev.dev;

		sock->dev.bus = &tifm_bus_type;

		sock->dev.dma_mask = fm->cdev.dev->dma_mask;

		sock->dev.release = tifm_free_device;



		dev->dev.parent = fm->cdev.dev;

		dev->dev.bus = &tifm_bus_type;

		dev->dev.release = tifm_free_device;

		dev->card_event = tifm_dummy_event;

		dev->data_event = tifm_dummy_event;

		snprintf(sock->dev.bus_id, BUS_ID_SIZE,

			 "tifm_%s%u:%u", tifm_media_type_name(type, 2),

			 fm->id, id);

		printk(KERN_INFO DRIVER_NAME

		       ": %s card detected in socket %u:%u\n",

		       tifm_media_type_name(type, 0), fm->id, id);

	}

	return dev;

	return sock;

}

EXPORT_SYMBOL(tifm_alloc_device);

include/linux/tifm.h

+3 −1
Original line number Diff line number Diff line
@@ -131,7 +131,9 @@ void tifm_remove_adapter(struct tifm_adapter *fm); 
void tifm_free_adapter(struct tifm_adapter *fm);



void tifm_free_device(struct device *dev);

struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm);

struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm, unsigned int id,

				   unsigned char type);



int tifm_register_driver(struct tifm_driver *drv);

void tifm_unregister_driver(struct tifm_driver *drv);

void tifm_eject(struct tifm_dev *sock);