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-rw-r--r--drivers/misc/tifm_7xx1.c28
-rw-r--r--drivers/misc/tifm_core.c52
-rw-r--r--include/linux/tifm.h16
3 files changed, 51 insertions, 45 deletions
diff --git a/drivers/misc/tifm_7xx1.c b/drivers/misc/tifm_7xx1.c
index 34746798ba8..e051f9da9c5 100644
--- a/drivers/misc/tifm_7xx1.c
+++ b/drivers/misc/tifm_7xx1.c
@@ -22,6 +22,11 @@
#define TIFM_IRQ_FIFOMASK(x) ((x) << 16)
#define TIFM_IRQ_SETALL 0xffffffff
+static void tifm_7xx1_dummy_eject(struct tifm_adapter *fm,
+ struct tifm_dev *sock)
+{
+}
+
static void tifm_7xx1_eject(struct tifm_adapter *fm, struct tifm_dev *sock)
{
unsigned long flags;
@@ -140,7 +145,7 @@ static void tifm_7xx1_switch_media(struct work_struct *work)
socket_change_set = fm->socket_change_set;
fm->socket_change_set = 0;
- dev_dbg(fm->dev, "checking media set %x\n",
+ dev_dbg(fm->cdev.dev, "checking media set %x\n",
socket_change_set);
if (!socket_change_set) {
@@ -328,20 +333,13 @@ static int tifm_7xx1_probe(struct pci_dev *dev,
pci_intx(dev, 1);
- fm = tifm_alloc_adapter();
+ fm = tifm_alloc_adapter(dev->device == PCI_DEVICE_ID_TI_XX21_XX11_FM
+ ? 4 : 2, &dev->dev);
if (!fm) {
rc = -ENOMEM;
goto err_out_int;
}
- fm->dev = &dev->dev;
- fm->num_sockets = (dev->device == PCI_DEVICE_ID_TI_XX21_XX11_FM)
- ? 4 : 2;
- fm->sockets = kzalloc(sizeof(struct tifm_dev*) * fm->num_sockets,
- GFP_KERNEL);
- if (!fm->sockets)
- goto err_out_free;
-
INIT_WORK(&fm->media_switcher, tifm_7xx1_switch_media);
fm->eject = tifm_7xx1_eject;
pci_set_drvdata(dev, fm);
@@ -351,7 +349,7 @@ static int tifm_7xx1_probe(struct pci_dev *dev,
if (!fm->addr)
goto err_out_free;
- rc = request_irq(dev->irq, tifm_7xx1_isr, IRQF_SHARED, DRIVER_NAME, fm);
+ rc = request_irq(dev->irq, tifm_7xx1_isr, SA_SHIRQ, DRIVER_NAME, fm);
if (rc)
goto err_out_unmap;
@@ -359,10 +357,8 @@ static int tifm_7xx1_probe(struct pci_dev *dev,
if (rc)
goto err_out_irq;
- writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE);
writel(TIFM_IRQ_ENABLE | TIFM_IRQ_SOCKMASK((1 << fm->num_sockets) - 1),
fm->addr + FM_SET_INTERRUPT_ENABLE);
-
return 0;
err_out_irq:
@@ -384,16 +380,12 @@ err_out:
static void tifm_7xx1_remove(struct pci_dev *dev)
{
struct tifm_adapter *fm = pci_get_drvdata(dev);
- unsigned long flags;
+ fm->eject = tifm_7xx1_dummy_eject;
writel(TIFM_IRQ_SETALL, fm->addr + FM_CLEAR_INTERRUPT_ENABLE);
mmiowb();
free_irq(dev->irq, fm);
- spin_lock_irqsave(&fm->lock, flags);
- fm->socket_change_set = (1 << fm->num_sockets) - 1;
- spin_unlock_irqrestore(&fm->lock, flags);
-
tifm_remove_adapter(fm);
pci_set_drvdata(dev, NULL);
diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
index ef8a97b819d..f0cce2a642d 100644
--- a/drivers/misc/tifm_core.c
+++ b/drivers/misc/tifm_core.c
@@ -156,7 +156,6 @@ static void tifm_free(struct class_device *cdev)
{
struct tifm_adapter *fm = container_of(cdev, struct tifm_adapter, cdev);
- kfree(fm->sockets);
kfree(fm);
}
@@ -165,26 +164,24 @@ static struct class tifm_adapter_class = {
.release = tifm_free
};
-struct tifm_adapter *tifm_alloc_adapter(void)
+struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
+ struct device *dev)
{
struct tifm_adapter *fm;
- fm = kzalloc(sizeof(struct tifm_adapter), GFP_KERNEL);
+ fm = kzalloc(sizeof(struct tifm_adapter)
+ + sizeof(struct tifm_dev*) * num_sockets, GFP_KERNEL);
if (fm) {
fm->cdev.class = &tifm_adapter_class;
- spin_lock_init(&fm->lock);
+ fm->cdev.dev = dev;
class_device_initialize(&fm->cdev);
+ spin_lock_init(&fm->lock);
+ fm->num_sockets = num_sockets;
}
return fm;
}
EXPORT_SYMBOL(tifm_alloc_adapter);
-void tifm_free_adapter(struct tifm_adapter *fm)
-{
- class_device_put(&fm->cdev);
-}
-EXPORT_SYMBOL(tifm_free_adapter);
-
int tifm_add_adapter(struct tifm_adapter *fm)
{
int rc;
@@ -195,31 +192,44 @@ int tifm_add_adapter(struct tifm_adapter *fm)
spin_lock(&tifm_adapter_lock);
rc = idr_get_new(&tifm_adapter_idr, fm, &fm->id);
spin_unlock(&tifm_adapter_lock);
- if (!rc) {
- snprintf(fm->cdev.class_id, BUS_ID_SIZE, "tifm%u", fm->id);
- rc = class_device_add(&fm->cdev);
-
- if (rc) {
- spin_lock(&tifm_adapter_lock);
- idr_remove(&tifm_adapter_idr, fm->id);
- spin_unlock(&tifm_adapter_lock);
- }
+ if (rc)
+ return rc;
+
+ snprintf(fm->cdev.class_id, BUS_ID_SIZE, "tifm%u", fm->id);
+ rc = class_device_add(&fm->cdev);
+ if (rc) {
+ spin_lock(&tifm_adapter_lock);
+ idr_remove(&tifm_adapter_idr, fm->id);
+ spin_unlock(&tifm_adapter_lock);
}
+
return rc;
}
EXPORT_SYMBOL(tifm_add_adapter);
void tifm_remove_adapter(struct tifm_adapter *fm)
{
+ unsigned int cnt;
+
flush_workqueue(workqueue);
- class_device_del(&fm->cdev);
+ for (cnt = 0; cnt < fm->num_sockets; ++cnt) {
+ if (fm->sockets[cnt])
+ device_unregister(&fm->sockets[cnt]->dev);
+ }
spin_lock(&tifm_adapter_lock);
idr_remove(&tifm_adapter_idr, fm->id);
spin_unlock(&tifm_adapter_lock);
+ class_device_del(&fm->cdev);
}
EXPORT_SYMBOL(tifm_remove_adapter);
+void tifm_free_adapter(struct tifm_adapter *fm)
+{
+ class_device_put(&fm->cdev);
+}
+EXPORT_SYMBOL(tifm_free_adapter);
+
void tifm_free_device(struct device *dev)
{
struct tifm_dev *fm_dev = container_of(dev, struct tifm_dev, dev);
@@ -234,7 +244,7 @@ struct tifm_dev *tifm_alloc_device(struct tifm_adapter *fm)
if (dev) {
spin_lock_init(&dev->lock);
- dev->dev.parent = fm->dev;
+ dev->dev.parent = fm->cdev.dev;
dev->dev.bus = &tifm_bus_type;
dev->dev.release = tifm_free_device;
dev->card_event = tifm_dummy_event;
diff --git a/include/linux/tifm.h b/include/linux/tifm.h
index d9de79275c2..a7bd654e2ee 100644
--- a/include/linux/tifm.h
+++ b/include/linux/tifm.h
@@ -114,19 +114,23 @@ struct tifm_adapter {
unsigned int id;
unsigned int num_sockets;
struct completion *finish_me;
- struct tifm_dev **sockets;
+
struct work_struct media_switcher;
struct class_device cdev;
- struct device *dev;
- void (*eject)(struct tifm_adapter *fm, struct tifm_dev *sock);
+ void (*eject)(struct tifm_adapter *fm,
+ struct tifm_dev *sock);
+
+ struct tifm_dev *sockets[0];
};
-struct tifm_adapter *tifm_alloc_adapter(void);
-void tifm_free_device(struct device *dev);
-void tifm_free_adapter(struct tifm_adapter *fm);
+struct tifm_adapter *tifm_alloc_adapter(unsigned int num_sockets,
+ struct device *dev);
int tifm_add_adapter(struct tifm_adapter *fm);
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);
int tifm_register_driver(struct tifm_driver *drv);
void tifm_unregister_driver(struct tifm_driver *drv);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 15:44:58 +0000