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ACRN:DM: Fix USB msi capability access issue.

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This patch fix the USB msi capability access failed issue and fix the
MSI pending bit clear bugs.

Tracked-On: #7697
Signed-off-by: Liu Long <long.liu@linux.intel.com>
This commit is contained in:
Liu Long 2022-06-06 21:15:50 +08:00 committed by acrnsi-robot
parent f91b82fa5f
commit 6589d0c337
1 changed files with 2 additions and 2 deletions
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4
devicemodel/hw/pci/core.c
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@ -1069,7 +1069,7 @@ static int
pci_access_msi(struct pci_vdev *dev, int msi_cap, uint32_t *val, bool is_write)
{
uint16_t msgctrl;
int rc, offset;
int rc, offset = 0;
if (msi_cap > PCIR_MSI_PENDING) {
pr_err("%s: Msi capability length is out of msi length!\n", __func__);
@ -1133,7 +1133,7 @@ pci_set_msi_pending(struct pci_vdev *dev, uint32_t index, bool set)
if (set)
val = (1 << index) | val;
else
val = (~(1 << index)) | val;
val = (~(1 << index)) & val;
pci_access_msi(dev, PCIR_MSI_PENDING, &val, true);
}