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| author | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-06-29 05:54:49 +0300 |
|---|---|---|
| committer | Rob Clark <robin.clark@oss.qualcomm.com> | 2025-06-29 05:54:49 +0300 |
| commit | 74f1af95820fc2ee580a775a3a17c416db30b38c (patch) | |
| tree | 7c82cffe3c1d99b99053d28b57a4ac5d81f85844 /drivers/pci/tph.c | |
| parent | d3deabe4c619875714b9a844b1a3d9752dbae1dd (diff) | |
| parent | f41830c57bb8e70e283b9db251c95f1270a8279d (diff) | |
| download | linux-74f1af95820fc2ee580a775a3a17c416db30b38c.tar.xz | |
Merge remote-tracking branch 'drm/drm-next' into msm-next
Back-merge drm-next to (indirectly) get arm-smmu updates for making
stall-on-fault more reliable.
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Diffstat (limited to 'drivers/pci/tph.c')
| -rw-r--r-- | drivers/pci/tph.c | 44 |
1 files changed, 1 insertions, 43 deletions
diff --git a/drivers/pci/tph.c b/drivers/pci/tph.c index 07de59ca2ebf..77fce5e1b830 100644 --- a/drivers/pci/tph.c +++ b/drivers/pci/tph.c @@ -204,48 +204,6 @@ static u8 get_rp_completer_type(struct pci_dev *pdev) return FIELD_GET(PCI_EXP_DEVCAP2_TPH_COMP_MASK, reg); } -/* Write ST to MSI-X vector control reg - Return 0 if OK, otherwise -errno */ -static int write_tag_to_msix(struct pci_dev *pdev, int msix_idx, u16 tag) -{ -#ifdef CONFIG_PCI_MSI - struct msi_desc *msi_desc = NULL; - void __iomem *vec_ctrl; - u32 val; - int err = 0; - - msi_lock_descs(&pdev->dev); - - /* Find the msi_desc entry with matching msix_idx */ - msi_for_each_desc(msi_desc, &pdev->dev, MSI_DESC_ASSOCIATED) { - if (msi_desc->msi_index == msix_idx) - break; - } - - if (!msi_desc) { - err = -ENXIO; - goto err_out; - } - - /* Get the vector control register (offset 0xc) pointed by msix_idx */ - vec_ctrl = pdev->msix_base + msix_idx * PCI_MSIX_ENTRY_SIZE; - vec_ctrl += PCI_MSIX_ENTRY_VECTOR_CTRL; - - val = readl(vec_ctrl); - val &= ~PCI_MSIX_ENTRY_CTRL_ST; - val |= FIELD_PREP(PCI_MSIX_ENTRY_CTRL_ST, tag); - writel(val, vec_ctrl); - - /* Read back to flush the update */ - val = readl(vec_ctrl); - -err_out: - msi_unlock_descs(&pdev->dev); - return err; -#else - return -ENODEV; -#endif -} - /* Write tag to ST table - Return 0 if OK, otherwise -errno */ static int write_tag_to_st_table(struct pci_dev *pdev, int index, u16 tag) { @@ -346,7 +304,7 @@ int pcie_tph_set_st_entry(struct pci_dev *pdev, unsigned int index, u16 tag) switch (loc) { case PCI_TPH_LOC_MSIX: - err = write_tag_to_msix(pdev, index, tag); + err = pci_msix_write_tph_tag(pdev, index, tag); break; case PCI_TPH_LOC_CAP: err = write_tag_to_st_table(pdev, index, tag); |
