diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2025-06-04 10:50:44 -0500 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2025-06-04 10:50:44 -0500 |
| commit | db847adbf99f80088b5e545855c1bc7ea52973d1 (patch) | |
| tree | da95d7e96629ec63205ff03301565ab1dc5ebb0f /drivers/pci/controller/dwc/pcie-qcom-ep.c | |
| parent | df52b63940e64456d47cabcbc5a9c1137a3f0b2e (diff) | |
| parent | 5fbfae69e78d242c5efb2a4b62eeea883af145ee (diff) | |
Merge branch 'pci/ptm-debugfs'
- Add debugfs support for exposing DWC device-specific PTM context
(Manivannan Sadhasivam)
* pci/ptm-debugfs:
PCI: qcom-ep: Mask PTM_UPDATING interrupt
PCI: dwc: Add debugfs support for PTM context
PCI: dwc: Pass DWC PCIe mode to dwc_pcie_debugfs_init()
PCI: Add debugfs support for exposing PTM context
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom-ep.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom-ep.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index b3f7f42fa852..bf7c6ac0f3e3 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -60,6 +60,7 @@ #define PARF_DEVICE_TYPE 0x1000 #define PARF_BDF_TO_SID_CFG 0x2c00 #define PARF_INT_ALL_5_MASK 0x2dcc +#define PARF_INT_ALL_3_MASK 0x2e18 /* PARF_INT_ALL_{STATUS/CLEAR/MASK} register fields */ #define PARF_INT_ALL_LINK_DOWN BIT(1) @@ -132,6 +133,9 @@ /* PARF_INT_ALL_5_MASK fields */ #define PARF_INT_ALL_5_MHI_RAM_DATA_PARITY_ERR BIT(0) +/* PARF_INT_ALL_3_MASK fields */ +#define PARF_INT_ALL_3_PTM_UPDATING BIT(4) + /* ELBI registers */ #define ELBI_SYS_STTS 0x08 #define ELBI_CS2_ENABLE 0xa4 @@ -497,6 +501,10 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci) writel_relaxed(val, pcie_ep->parf + PARF_INT_ALL_5_MASK); } + val = readl_relaxed(pcie_ep->parf + PARF_INT_ALL_3_MASK); + val &= ~PARF_INT_ALL_3_PTM_UPDATING; + writel_relaxed(val, pcie_ep->parf + PARF_INT_ALL_3_MASK); + ret = dw_pcie_ep_init_registers(&pcie_ep->pci.ep); if (ret) { dev_err(dev, "Failed to complete initialization: %d\n", ret); |