[PATCH 04/18] staging: comedi: addi-data: remove irq parameter from i_pci_card_data()
H Hartley Sweeten
hartleys at visionengravers.com
Wed Oct 31 23:55:37 UTC 2012
The irq parameter passed to i_pci_card_data() is used to get the pci_dev
irq that is cached in the card data. This information can easily be found
when needed in i_ADDI_Attach() from the 'card' pointer to the card data.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
.../staging/comedi/drivers/addi-data/addi_amcc_s5933.h | 7 ++-----
drivers/staging/comedi/drivers/addi-data/addi_common.c | 15 ++++++---------
2 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
index b09b8e5..0d10ec7 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_s5933.h
@@ -231,8 +231,7 @@ struct pcilst_struct *ptr_select_and_alloc_pci_card(unsigned short vendor_id,
int pci_card_alloc(struct pcilst_struct *amcc, int master);
int i_pci_card_free(struct pcilst_struct *amcc);
int i_pci_card_data(struct pcilst_struct *amcc,
- resource_size_t *io_addr,
- unsigned int *irq);
+ resource_size_t *io_addr);
/****************************************************************************/
@@ -382,8 +381,7 @@ int i_pci_card_free(struct pcilst_struct *amcc)
/****************************************************************************/
/* return all card information for driver */
int i_pci_card_data(struct pcilst_struct *amcc,
- resource_size_t *io_addr,
- unsigned int *irq)
+ resource_size_t *io_addr)
{
int i;
@@ -391,7 +389,6 @@ int i_pci_card_data(struct pcilst_struct *amcc,
return -1;
for (i = 0; i < 5; i++)
io_addr[i] = amcc->io_addr[i];
- *irq = amcc->irq;
return 0;
}
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c
index 33159ec..8ebfb2b 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c
@@ -92,7 +92,6 @@ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it)
int ret, pages, i, n_subdevices;
unsigned int dw_Dummy;
resource_size_t io_addr[5];
- unsigned int irq;
resource_size_t iobase_a, iobase_main, iobase_addon, iobase_reserved;
struct pcilst_struct *card = NULL;
int i_Dma = 0;
@@ -121,7 +120,7 @@ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it)
devpriv->allocated = 1;
- if ((i_pci_card_data(card, &io_addr[0], &irq)) < 0) {
+ if ((i_pci_card_data(card, &io_addr[0])) < 0) {
i_pci_card_free(card);
return -EIO;
}
@@ -176,15 +175,13 @@ static int i_ADDI_Attach(struct comedi_device *dev, struct comedi_devconfig *it)
/* ## */
- if (irq > 0) {
- if (request_irq(irq, v_ADDI_Interrupt, IRQF_SHARED,
- this_board->pc_DriverName, dev) < 0) {
- irq = 0; /* Can't use IRQ */
- }
+ if (card->irq > 0) {
+ ret = request_irq(card->irq, v_ADDI_Interrupt, IRQF_SHARED,
+ this_board->pc_DriverName, dev);
+ if (ret == 0)
+ dev->irq = card->irq;
}
- dev->irq = irq;
-
/* Read eepeom and fill addi_board Structure */
if (this_board->i_PCIEeprom) {
--
1.7.11
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