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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-07-21 17:02:16 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-29 17:08:40 +0200
commitfa11c81ce2a19b30af2fc16d3958efece4fd56d0 (patch)
tree5f8b59581519f075aa1dfa74b4a4ce710db9400c /drivers/parport
parentparport: serial: Get rid of IRQ_NONE abuse (diff)
downloadlinux-fa11c81ce2a19b30af2fc16d3958efece4fd56d0.tar.xz
linux-fa11c81ce2a19b30af2fc16d3958efece4fd56d0.zip
parport: serial: Retrieve IRQ vector with help of special getter
pci_irq_vector() may be used to retrieve IRQ vector for a PCI device. Use it instead of direct access. Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210721150216.64823-2-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/parport')
-rw-r--r--drivers/parport/parport_serial.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/parport/parport_serial.c b/drivers/parport/parport_serial.c
index 14e2427676f0..9f5d784cd95d 100644
--- a/drivers/parport/parport_serial.c
+++ b/drivers/parport/parport_serial.c
@@ -606,7 +606,9 @@ static int parport_register(struct pci_dev *dev, const struct pci_device_id *id)
"hi" as an offset (see SYBA
def.) */
/* TODO: test if sharing interrupts works */
- irq = dev->irq;
+ irq = pci_irq_vector(dev, 0);
+ if (irq < 0)
+ return irq;
if (irq == 0)
irq = PARPORT_IRQ_NONE;
if (irq == PARPORT_IRQ_NONE) {