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path: root/drivers/usb/host/max3421-hcd.c
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Diffstat (limited to 'drivers/usb/host/max3421-hcd.c')
-rw-r--r--drivers/usb/host/max3421-hcd.c25
1 files changed, 5 insertions, 20 deletions
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c
index 5ef0747225f6..e0b25dd86909 100644
--- a/drivers/usb/host/max3421-hcd.c
+++ b/drivers/usb/host/max3421-hcd.c
@@ -125,8 +125,6 @@ struct max3421_hcd {
struct task_struct *spi_thread;
- struct max3421_hcd *next;
-
enum max3421_rh_state rh_state;
/* lower 16 bits contain port status, upper 16 bits the change mask: */
u32 port_status;
@@ -174,8 +172,6 @@ struct max3421_ep {
u8 retransmit; /* packet needs retransmission */
};
-static struct max3421_hcd *max3421_hcd_list;
-
#define MAX3421_FIFO_SIZE 64
#define MAX3421_SPI_DIR_RD 0 /* read register from MAX3421 */
@@ -1882,9 +1878,8 @@ max3421_probe(struct spi_device *spi)
}
set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
max3421_hcd = hcd_to_max3421(hcd);
- max3421_hcd->next = max3421_hcd_list;
- max3421_hcd_list = max3421_hcd;
INIT_LIST_HEAD(&max3421_hcd->ep_list);
+ spi_set_drvdata(spi, max3421_hcd);
max3421_hcd->tx = kmalloc(sizeof(*max3421_hcd->tx), GFP_KERNEL);
if (!max3421_hcd->tx)
@@ -1934,28 +1929,18 @@ error:
static int
max3421_remove(struct spi_device *spi)
{
- struct max3421_hcd *max3421_hcd = NULL, **prev;
- struct usb_hcd *hcd = NULL;
+ struct max3421_hcd *max3421_hcd;
+ struct usb_hcd *hcd;
unsigned long flags;
- for (prev = &max3421_hcd_list; *prev; prev = &(*prev)->next) {
- max3421_hcd = *prev;
- hcd = max3421_to_hcd(max3421_hcd);
- if (hcd->self.controller == &spi->dev)
- break;
- }
- if (!max3421_hcd) {
- dev_err(&spi->dev, "no MAX3421 HCD found for SPI device %p\n",
- spi);
- return -ENODEV;
- }
+ max3421_hcd = spi_get_drvdata(spi);
+ hcd = max3421_to_hcd(max3421_hcd);
usb_remove_hcd(hcd);
spin_lock_irqsave(&max3421_hcd->lock, flags);
kthread_stop(max3421_hcd->spi_thread);
- *prev = max3421_hcd->next;
spin_unlock_irqrestore(&max3421_hcd->lock, flags);