From 6dc71205fc2e87ff68f5d60ffe632013587bc26c Mon Sep 17 00:00:00 2001 From: Ian Abbott Date: Fri, 14 Sep 2012 17:34:26 +0100 Subject: [PATCH] staging: comedi: ni_6527: use mite_alloc() 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 Reviewed-by: H Hartley Sweeten Signed-off-by: Greg Kroah-Hartman --- 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 170edb75fbe2..8125d5069899 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 = { -- 2.34.1