From: Juxin Gao gaojuxin@loongson.cn
LoongArch inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/I9R7M9
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Signed-off-by: Juxin Gao gaojuxin@loongson.cn Signed-off-by: Hongchen Zhang zhanghongchen@loongson.cn --- drivers/pci/msi/msi.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/msi/msi.c b/drivers/pci/msi/msi.c index cde8c4e264b7..7078200be11f 100644 --- a/drivers/pci/msi/msi.c +++ b/drivers/pci/msi/msi.c @@ -424,8 +424,10 @@ int __pci_enable_msi_range(struct pci_dev *dev, int minvec, int maxvec, int rc;
#ifdef CONFIG_LOONGARCH - if (maxvec > 32) + if (maxvec > 32) { maxvec = pci_irq_numbers; + minvec = min_t(int, pci_irq_numbers, minvec); + } #endif
if (!pci_msi_supported(dev, minvec) || dev->current_state != PCI_D0) @@ -810,8 +812,10 @@ int __pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, int int hwsize, rc, nvec = maxvec;
#ifdef CONFIG_LOONGARCH - if (maxvec > 32) + if (maxvec > 32) { nvec = pci_irq_numbers; + minvec = min_t(int, pci_irq_numbers, minvec); + } #endif
if (maxvec < minvec)