diff options
Diffstat (limited to 'drivers/virtio/virtio_mmio.c')
| -rw-r--r-- | drivers/virtio/virtio_mmio.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/virtio/virtio_mmio.c b/drivers/virtio/virtio_mmio.c index d9dd0f789279..e09edb5c5e06 100644 --- a/drivers/virtio/virtio_mmio.c +++ b/drivers/virtio/virtio_mmio.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Virtio memory mapped device driver * @@ -48,12 +49,7 @@ * virtio_mmio.device=0x100@0x100b0000:48 \ * virtio_mmio.device=1K@0x1001e000:74 * - * - * * Based on Virtio PCI driver by Anthony Liguori, copyright IBM Corp. 2007 - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. */ #define pr_fmt(fmt) "virtio-mmio: " fmt @@ -467,9 +463,14 @@ static int vm_find_vqs(struct virtio_device *vdev, unsigned nvqs, struct irq_affinity *desc) { struct virtio_mmio_device *vm_dev = to_virtio_mmio_device(vdev); - unsigned int irq = platform_get_irq(vm_dev->pdev, 0); + int irq = platform_get_irq(vm_dev->pdev, 0); int i, err, queue_idx = 0; + if (irq < 0) { + dev_err(&vdev->dev, "Cannot get IRQ resource\n"); + return irq; + } + err = request_irq(irq, vm_interrupt, IRQF_SHARED, dev_name(&vdev->dev), vm_dev); if (err) |