From: Xiang W Date: Sun, 28 Aug 2022 23:53:15 +0000 (+0800) Subject: virtio: pci: fix bug of virtio_pci_map_capability X-Git-Tag: v2023.07~312^2~15^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=04dd7c8e5624ee971004a6b310c2e7d958a0018c;p=platform%2Fkernel%2Fu-boot.git virtio: pci: fix bug of virtio_pci_map_capability The bar of the structure virtio_pci_cap is the index, and each base address occupies 4 bytes, so it needs to be multiplied by 4. This patch fixes a bug reported by Felix Yan https://lists.denx.de/pipermail/u-boot/2022-August/492779.html Signed-off-by: Xiang W Tested-by: Felix Yan --- diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 880a12c..cfde400 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -466,7 +466,7 @@ static void __iomem *virtio_pci_map_capability(struct udevice *udev, unsigned long mask = PCI_REGION_TYPE | PCI_REGION_SYS_MEMORY | PCI_REGION_RO; unsigned long flags = PCI_REGION_MEM; - u8 *p = dm_pci_map_bar(udev, PCI_BASE_ADDRESS_0 + cap->bar, cap->offset, + u8 *p = dm_pci_map_bar(udev, PCI_BASE_ADDRESS_0 + 4 * cap->bar, cap->offset, cap->length, mask, flags); return (void __iomem *)p;