Allocate `struct mite_device` dynamically instead of searching for
one on the `mite_devices` list constructed by the "mite" module.
Signed-off-by: Ian Abbott <abbotti@xxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_6527.c | 22 +++++-----------------
1 file changed, 5 insertions(+), 17 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_6527.c b/drivers/staging/comedi/drivers/ni_6527.c
index 170edb7..8125d50 100644
--- a/drivers/staging/comedi/drivers/ni_6527.c
+++ b/drivers/staging/comedi/drivers/ni_6527.c
@@ -353,20 +353,6 @@ static int ni6527_intr_insn_config(struct comedi_device *dev,
return 2;
}
-/* FIXME: remove this when dynamic MITE allocation implemented. */
-static struct mite_struct *ni6527_find_mite(struct pci_dev *pcidev)
-{
- struct mite_struct *mite;
-
- for (mite = mite_devices; mite; mite = mite->next) {
- if (mite->used)
- continue;
- if (mite->pcidev == pcidev)
- return mite;
- }
- return NULL;
-}
-
static const struct ni6527_board *
ni6527_find_boardinfo(struct pci_dev *pcidev)
{
@@ -395,9 +381,9 @@ static int __devinit ni6527_attach_pci(struct comedi_device *dev,
if (!dev->board_ptr)
return -ENODEV;
- devpriv->mite = ni6527_find_mite(pcidev);
+ devpriv->mite = mite_alloc(pcidev);
if (!devpriv->mite)
- return -ENODEV;
+ return -ENOMEM;
ret = mite_setup(devpriv->mite);
if (ret < 0) {
@@ -468,8 +454,10 @@ static void ni6527_detach(struct comedi_device *dev)
devpriv->mite->daq_io_addr + Master_Interrupt_Control);
if (dev->irq)
free_irq(dev->irq, dev);
- if (devpriv && devpriv->mite)
+ if (devpriv && devpriv->mite) {
mite_unsetup(devpriv->mite);
+ mite_free(devpriv->mite);
+ }
}
static struct comedi_driver ni6527_driver = {
--
1.7.12
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