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[DM/PCI] Fixup the MSI info shuold free

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Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI
2025-08-20 16:36:12 +08:00
committed by R b b666
parent 12d00741e9
commit 8731289055
3 changed files with 42 additions and 0 deletions
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1
components/drivers/include/drivers/pci_msi.h
View File

@@ -177,6 +177,7 @@ struct rt_pci_msi_desc
#define rt_pci_msix_table_size(flags) ((flags & PCIM_MSIXCTRL_TABLE_SIZE) + 1)
rt_err_t rt_pci_msi_setup_irqs(struct rt_pci_device *pdev, int nvec, int type);
rt_err_t rt_pci_msi_cleanup_irqs(struct rt_pci_device *pdev);
void rt_pci_msi_shutdown(struct rt_pci_device *pdev);
void rt_pci_msix_shutdown(struct rt_pci_device *pdev);

39
components/drivers/pci/msi/irq.c
View File

@@ -144,3 +144,42 @@ rt_err_t rt_pci_msi_setup_irqs(struct rt_pci_device *pdev, int nvec, int type)
return err;
}
rt_err_t rt_pci_msi_cleanup_irqs(struct rt_pci_device *pdev)
{
int type;
struct rt_pic *msi_pic;
struct rt_pci_msi_desc *desc;
if (!pdev)
{
return -RT_EINVAL;
}
msi_pic = pdev->msi_pic;
if (!msi_pic)
{
return -RT_EINVAL;
}
desc = rt_pci_msi_first_desc(pdev);
type = desc->is_msix ? PCIY_MSIX : PCIY_MSI;
if (type == PCIY_MSI)
{
for (int idx = 0; idx < desc->vector_used; ++idx)
{
msi_pic->ops->irq_free_msi(msi_pic, desc->irq + idx);
}
}
else if (type == PCIY_MSIX)
{
rt_pci_msi_for_each_desc(pdev, desc)
{
msi_pic->ops->irq_free_msi(msi_pic, desc->irq);
}
}
return RT_EOK;
}

2
components/drivers/pci/msi/msi.c
View File

@@ -233,6 +233,8 @@ void rt_pci_msi_free_irqs(struct rt_pci_device *pdev)
pdev->msix_base = RT_NULL;
}
rt_pci_msi_cleanup_irqs(pdev);
rt_pci_msi_for_each_desc(pdev, desc)
{
/* To safety */