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pci: epf: dma-test: Fix free_irq during remove

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Issue: epf-dma-test driver uses MSI IRQ for CRC handling, however, different
IRQ is used when free the same.

Fix: Correct IRQ number to free. Correct ordering of free_irq and
platform MSI irq free.

Bug 4820157

Change-Id: Idbbaed61ddbd45a52e8e833e76c6b64f0fd3e48f
Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3204910
Reviewed-by: Manikanta Maddireddy <mmaddireddy@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Nagarjuna Kristam
2024-08-30 10:58:46 +05:30
committed by Jon Hunter
parent 8d11854283
commit b55db09752
1 changed files with 12 additions and 9 deletions
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21
drivers/pci/endpoint/functions/pci-epf-dma-test.c
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@@ -293,20 +293,23 @@ static void pcie_dma_epf_unbind(struct pci_epf *epf)
tegra_pcie_dma_deinit(&cookie); tegra_pcie_dma_deinit(&cookie);
if (epfnv->chip_id == TEGRA264) { if (epfnv->chip_id == TEGRA264) {
#if defined(NV_MSI_GET_VIRQ_PRESENT) /* Linux v6.1 */
irq = msi_get_virq(&pdev->dev, TEGRA264_PCIE_DMA_MSI_CRC_VEC);
#else
for_each_msi_entry(desc, cdev) {
if (desc->platform.msi_index == TEGRA264_PCIE_DMA_MSI_CRC_VEC) {
irq = desc->irq;
break;
}
}
#endif
free_irq(irq, epfnv);
#if defined(NV_PLATFORM_MSI_DOMAIN_FREE_IRQS_PRESENT) /* Linux v6.9 */ #if defined(NV_PLATFORM_MSI_DOMAIN_FREE_IRQS_PRESENT) /* Linux v6.9 */
platform_msi_domain_free_irqs(&pdev->dev); platform_msi_domain_free_irqs(&pdev->dev);
#endif #endif
#if defined(NV_MSI_GET_VIRQ_PRESENT) /* Linux v6.1 */
irq = msi_get_virq(&pdev->dev, 0);
#else
for_each_msi_entry(desc, cdev) {
if (desc->platform.msi_index == 0)
irq = desc->irq;
}
#endif
free_irq(irq, epfnv);
} }
pci_epc_stop(epc); pci_epc_stop(epc);
if (epfnv->chip_id == TEGRA234) if (epfnv->chip_id == TEGRA234)
bar = BAR_0; bar = BAR_0;