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| author | Jens Axboe <axboe@kernel.dk> | 2024-09-17 08:32:53 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-09-17 08:32:53 -0600 |
| commit | 42b16d3ac371a2fac9b6f08fd75f23f34ba3955a (patch) | |
| tree | d15a2fe1f7441361b972bc787af5122adc3fcb71 /drivers/pci/controller/dwc/pcie-qcom-ep.c | |
| parent | 4208c562a27899212e8046080555e0f204e0579a (diff) | |
| parent | 98f7e32f20d28ec452afb208f9cffc08448a2652 (diff) | |
Merge tag 'v6.11' into for-6.12/block
Merge in 6.11 final to get the fix for preventing deadlocks on an
elevator switch, as there's a fixup for that patch.
* tag 'v6.11': (1788 commits)
Linux 6.11
Revert "KVM: VMX: Always honor guest PAT on CPUs that support self-snoop"
pinctrl: pinctrl-cy8c95x0: Fix regcache
cifs: Fix signature miscalculation
mm: avoid leaving partial pfn mappings around in error case
drm/xe/client: add missing bo locking in show_meminfo()
drm/xe/client: fix deadlock in show_meminfo()
drm/xe/oa: Enable Xe2+ PES disaggregation
drm/xe/display: fix compat IS_DISPLAY_STEP() range end
drm/xe: Fix access_ok check in user_fence_create
drm/xe: Fix possible UAF in guc_exec_queue_process_msg
drm/xe: Remove fence check from send_tlb_invalidation
drm/xe/gt: Remove double include
net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
PCI: Fix potential deadlock in pcim_intx()
workqueue: Clear worker->pool in the worker thread context
net: tighten bad gso csum offset check in virtio_net_hdr
netlink: specs: mptcp: fix port endianness
net: dpaa: Pad packets to ETH_ZLEN
mptcp: pm: Fix uaf in __timer_delete_sync
...
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-qcom-ep.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-qcom-ep.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c index 236229f66c80..a9b263f749b6 100644 --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c @@ -58,6 +58,7 @@ #define PARF_DEBUG_CNT_AUX_CLK_IN_L1SUB_L2 0xc88 #define PARF_DEVICE_TYPE 0x1000 #define PARF_BDF_TO_SID_CFG 0x2c00 +#define PARF_INT_ALL_5_MASK 0x2dcc /* PARF_INT_ALL_{STATUS/CLEAR/MASK} register fields */ #define PARF_INT_ALL_LINK_DOWN BIT(1) @@ -127,6 +128,9 @@ /* PARF_CFG_BITS register fields */ #define PARF_CFG_BITS_REQ_EXIT_L1SS_MSI_LTR_EN BIT(1) +/* PARF_INT_ALL_5_MASK fields */ +#define PARF_INT_ALL_5_MHI_RAM_DATA_PARITY_ERR BIT(0) + /* ELBI registers */ #define ELBI_SYS_STTS 0x08 #define ELBI_CS2_ENABLE 0xa4 @@ -158,10 +162,12 @@ enum qcom_pcie_ep_link_status { * struct qcom_pcie_ep_cfg - Per SoC config struct * @hdma_support: HDMA support on this SoC * @override_no_snoop: Override NO_SNOOP attribute in TLP to enable cache snooping + * @disable_mhi_ram_parity_check: Disable MHI RAM data parity error check */ struct qcom_pcie_ep_cfg { bool hdma_support; bool override_no_snoop; + bool disable_mhi_ram_parity_check; }; /** @@ -480,6 +486,12 @@ static int qcom_pcie_perst_deassert(struct dw_pcie *pci) PARF_INT_ALL_LINK_UP | PARF_INT_ALL_EDMA; writel_relaxed(val, pcie_ep->parf + PARF_INT_ALL_MASK); + if (pcie_ep->cfg && pcie_ep->cfg->disable_mhi_ram_parity_check) { + val = readl_relaxed(pcie_ep->parf + PARF_INT_ALL_5_MASK); + val &= ~PARF_INT_ALL_5_MHI_RAM_DATA_PARITY_ERR; + writel_relaxed(val, pcie_ep->parf + PARF_INT_ALL_5_MASK); + } + ret = dw_pcie_ep_init_registers(&pcie_ep->pci.ep); if (ret) { dev_err(dev, "Failed to complete initialization: %d\n", ret); @@ -901,6 +913,7 @@ static void qcom_pcie_ep_remove(struct platform_device *pdev) static const struct qcom_pcie_ep_cfg cfg_1_34_0 = { .hdma_support = true, .override_no_snoop = true, + .disable_mhi_ram_parity_check = true, }; static const struct of_device_id qcom_pcie_ep_match[] = { |