diff --git a/Documentation/PCI/msi-howto.rst b/Documentation/PCI/msi-howto.rst index 783d30b7bb42..0692c9aec66f 100644 --- a/Documentation/PCI/msi-howto.rst +++ b/Documentation/PCI/msi-howto.rst @@ -103,7 +103,7 @@ min_vecs argument set to this limit, and the PCI core will return -ENOSPC if it can't meet the minimum number of vectors. The flags argument is used to specify which type of interrupt can be used -by the device and the driver (PCI_IRQ_LEGACY, PCI_IRQ_MSI, PCI_IRQ_MSIX). +by the device and the driver (PCI_IRQ_INTX, PCI_IRQ_MSI, PCI_IRQ_MSIX). A convenient short-hand (PCI_IRQ_ALL_TYPES) is also available to ask for any possible kind of interrupt. If the PCI_IRQ_AFFINITY flag is set, pci_alloc_irq_vectors() will spread the interrupts around the available CPUs. diff --git a/Documentation/PCI/pci.rst b/Documentation/PCI/pci.rst index cced568d78e9..dd7b1c0c21da 100644 --- a/Documentation/PCI/pci.rst +++ b/Documentation/PCI/pci.rst @@ -335,7 +335,7 @@ causes the PCI support to program CPU vector data into the PCI device capability registers. Many architectures, chip-sets, or BIOSes do NOT support MSI or MSI-X and a call to pci_alloc_irq_vectors with just the PCI_IRQ_MSI and PCI_IRQ_MSIX flags will fail, so try to always -specify PCI_IRQ_LEGACY as well. +specify PCI_IRQ_INTX as well. Drivers that have different interrupt handlers for MSI/MSI-X and legacy INTx should chose the right one based on the msi_enabled diff --git a/Documentation/translations/zh_CN/PCI/msi-howto.rst b/Documentation/translations/zh_CN/PCI/msi-howto.rst index 1b9b5ea790d8..95baadf767e4 100644 --- a/Documentation/translations/zh_CN/PCI/msi-howto.rst +++ b/Documentation/translations/zh_CN/PCI/msi-howto.rst @@ -88,7 +88,7 @@ MSI功能。 如果设备对最小数量的向量有要求，驱动程序可以传递一个min_vecs参数，设置为这个限制， 如果PCI核不能满足最小数量的向量，将返回-ENOSPC。 -flags参数用来指定设备和驱动程序可以使用哪种类型的中断（PCI_IRQ_LEGACY, PCI_IRQ_MSI, +flags参数用来指定设备和驱动程序可以使用哪种类型的中断（PCI_IRQ_INTX, PCI_IRQ_MSI, PCI_IRQ_MSIX）。一个方便的短语（PCI_IRQ_ALL_TYPES）也可以用来要求任何可能的中断类型。 如果PCI_IRQ_AFFINITY标志被设置，pci_alloc_irq_vectors()将把中断分散到可用的CPU上。 diff --git a/Documentation/translations/zh_CN/PCI/pci.rst b/Documentation/translations/zh_CN/PCI/pci.rst index 83c2a41d38d3..347f5c3f5ce9 100644 --- a/Documentation/translations/zh_CN/PCI/pci.rst +++ b/Documentation/translations/zh_CN/PCI/pci.rst @@ -304,7 +304,7 @@ MSI-X可以分配几个单独的向量。 的PCI_IRQ_MSI和/或PCI_IRQ_MSIX标志来启用MSI功能。这将导致PCI支持将CPU向量数 据编程到PCI设备功能寄存器中。许多架构、芯片组或BIOS不支持MSI或MSI-X，调用 ``pci_alloc_irq_vectors`` 时只使用PCI_IRQ_MSI和PCI_IRQ_MSIX标志会失败， -所以尽量也要指定 ``PCI_IRQ_LEGACY`` 。 +所以尽量也要指定 ``PCI_IRQ_INTX`` 。 对MSI/MSI-X和传统INTx有不同中断处理程序的驱动程序应该在调用 ``pci_alloc_irq_vectors`` 后根据 ``pci_dev``结构体中的 ``msi_enabled`` diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 0cc9520666ef..39255f0eb14d 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -518,7 +518,34 @@ static bool __ref pci_mmcfg_reserved(struct device *dev, { struct resource *conflict; - if (!early && !acpi_disabled) { + if (early) { + + /* + * Don't try to do this check unless configuration type 1 + * is available. How about type 2? + */ + + /* + * 946f2ee5c731 ("Check that MCFG points to an e820 + * reserved area") added this E820 check in 2006 to work + * around BIOS defects. + * + * Per PCI Firmware r3.3, sec 4.1.2, ECAM space must be + * reserved by a PNP0C02 resource, but it need not be + * mentioned in E820. Before the ACPI interpreter is + * available, we can't check for PNP0C02 resources, so + * there's no reliable way to verify the region in this + * early check. Keep it only for the old machines that + * motivated 946f2ee5c731. + */ + if (dmi_get_bios_year() < 2016 && raw_pci_ops) + return is_mmconf_reserved(e820__mapped_all, cfg, dev, + "E820 entry"); + + return true; + } + + if (!acpi_disabled) { if (is_mmconf_reserved(is_acpi_reserved, cfg, dev, "ACPI motherboard resource")) return true; @@ -551,16 +578,7 @@ static bool __ref pci_mmcfg_reserved(struct device *dev, * For MCFG information constructed from hotpluggable host bridge's * _CBA method, just assume it's reserved. */ - if (pci_mmcfg_running_state) - return true; - - /* Don't try to do this check unless configuration - type 1 is available. how about type 2 ?*/ - if (raw_pci_ops) - return is_mmconf_reserved(e820__mapped_all, cfg, dev, - "E820 entry"); - - return false; + return pci_mmcfg_running_state; } static void __init pci_mmcfg_reject_broken(int early) diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c index 38795508c2e9..027cf67101ef 100644 --- a/drivers/ata/pata_cs5520.c +++ b/drivers/ata/pata_cs5520.c @@ -151,12 +151,6 @@ static int cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (!host) return -ENOMEM; - /* Perform set up for DMA */ - if (pci_enable_device_io(pdev)) { - dev_err(&pdev->dev, "unable to configure BAR2.\n"); - return -ENODEV; - } - if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) { dev_err(&pdev->dev, "unable to configure DMA mask.\n"); return -ENODEV; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 7e6d09730e6d..d18113017ee7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -279,7 +279,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev) adev->irq.msi_enabled = false; if (!amdgpu_msi_ok(adev)) - flags = PCI_IRQ_LEGACY; + flags = PCI_IRQ_INTX; else flags = PCI_IRQ_ALL_TYPES; diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c index 6af57067c32e..78dfe98ebcf7 100644 --- a/drivers/infiniband/hw/qib/qib_iba7220.c +++ b/drivers/infiniband/hw/qib/qib_iba7220.c @@ -3281,7 +3281,7 @@ static int qib_7220_intr_fallback(struct qib_devdata *dd) qib_free_irq(dd); dd->msi_lo = 0; - if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_LEGACY) < 0) + if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_INTX) < 0) qib_dev_err(dd, "Failed to enable INTx\n"); qib_setup_7220_interrupt(dd); return 1; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index f93906d8fc09..9db29916e35a 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -3471,8 +3471,7 @@ try_intx: pci_irq_vector(dd->pcidev, msixnum), ret); qib_7322_free_irq(dd); - pci_alloc_irq_vectors(dd->pcidev, 1, 1, - PCI_IRQ_LEGACY); + pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_INTX); goto try_intx; } dd->cspec->msix_entries[msixnum].arg = arg; @@ -5143,7 +5142,7 @@ static int qib_7322_intr_fallback(struct qib_devdata *dd) qib_devinfo(dd->pcidev, "MSIx interrupt not detected, trying INTx interrupts\n"); qib_7322_free_irq(dd); - if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_LEGACY) < 0) + if (pci_alloc_irq_vectors(dd->pcidev, 1, 1, PCI_IRQ_INTX) < 0) qib_dev_err(dd, "Failed to enable INTx\n"); qib_setup_7322_interrupt(dd, 0); return 1; diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c index 47bf64ace05c..58c1d62d341b 100644 --- a/drivers/infiniband/hw/qib/qib_pcie.c +++ b/drivers/infiniband/hw/qib/qib_pcie.c @@ -210,7 +210,7 @@ int qib_pcie_params(struct qib_devdata *dd, u32 minw, u32 *nent) } if (dd->flags & QIB_HAS_INTX) - flags |= PCI_IRQ_LEGACY; + flags |= PCI_IRQ_INTX; maxvec = (nent && *nent) ? *nent : 1; nvec = pci_alloc_irq_vectors(dd->pcidev, 1, maxvec, flags); if (nvec < 0) diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index a5e88185171f..768aad364c89 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -531,7 +531,7 @@ static int pvrdma_alloc_intrs(struct pvrdma_dev *dev) PCI_IRQ_MSIX); if (ret < 0) { ret = pci_alloc_irq_vectors(pdev, 1, 1, - PCI_IRQ_MSI | PCI_IRQ_LEGACY); + PCI_IRQ_MSI | PCI_IRQ_INTX); if (ret < 0) return ret; } diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index 8c00e0c695c5..9f4782bdbf4b 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -54,7 +54,7 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev, if (ret) return ret; - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY); + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_INTX); if (ret < 0) return ret; diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c index 4f8d962bb5b2..c61e8953511d 100644 --- a/drivers/misc/vmw_vmci/vmci_guest.c +++ b/drivers/misc/vmw_vmci/vmci_guest.c @@ -787,8 +787,7 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, error = pci_alloc_irq_vectors(pdev, num_irq_vectors, num_irq_vectors, PCI_IRQ_MSIX); if (error < 0) { - error = pci_alloc_irq_vectors(pdev, 1, 1, - PCI_IRQ_MSIX | PCI_IRQ_MSI | PCI_IRQ_LEGACY); + error = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); if (error < 0) goto err_unsubscribe_event; } else { diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c index f409d7bd1f1e..c5e5fac49779 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c @@ -170,7 +170,7 @@ static int xgbe_config_irqs(struct xgbe_prv_data *pdata) goto out; ret = pci_alloc_irq_vectors(pdata->pcidev, 1, 1, - PCI_IRQ_LEGACY | PCI_IRQ_MSI); + PCI_IRQ_INTX | PCI_IRQ_MSI); if (ret < 0) { dev_info(pdata->dev, "single IRQ enablement failed\n"); return ret; diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h index 7e9c74b141ef..fc2b325f34e7 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_cfg.h @@ -17,7 +17,7 @@ #define AQ_CFG_IS_POLLING_DEF 0U -#define AQ_CFG_FORCE_LEGACY_INT 0U +#define AQ_CFG_FORCE_INTX 0U #define AQ_CFG_INTERRUPT_MODERATION_OFF 0 #define AQ_CFG_INTERRUPT_MODERATION_ON 1 diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h index dbd284660135..f010bda61c96 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h @@ -104,7 +104,7 @@ struct aq_stats_s { }; #define AQ_HW_IRQ_INVALID 0U -#define AQ_HW_IRQ_LEGACY 1U +#define AQ_HW_IRQ_INTX 1U #define AQ_HW_IRQ_MSI 2U #define AQ_HW_IRQ_MSIX 3U diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index d6d6d5d37ff3..fe0e3e2a8117 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -127,7 +127,7 @@ void aq_nic_cfg_start(struct aq_nic_s *self) cfg->irq_type = aq_pci_func_get_irq_type(self); - if ((cfg->irq_type == AQ_HW_IRQ_LEGACY) || + if ((cfg->irq_type == AQ_HW_IRQ_INTX) || (cfg->aq_hw_caps->vecs == 1U) || (cfg->vecs == 1U)) { cfg->is_rss = 0U; diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index baa5f8cc31f2..43c71f6b314f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -200,7 +200,7 @@ unsigned int aq_pci_func_get_irq_type(struct aq_nic_s *self) if (self->pdev->msi_enabled) return AQ_HW_IRQ_MSI; - return AQ_HW_IRQ_LEGACY; + return AQ_HW_IRQ_INTX; } static void aq_pci_free_irq_vectors(struct aq_nic_s *self) @@ -298,11 +298,8 @@ static int aq_pci_probe(struct pci_dev *pdev, numvecs += AQ_HW_SERVICE_IRQS; /*enable interrupts */ -#if !AQ_CFG_FORCE_LEGACY_INT - err = pci_alloc_irq_vectors(self->pdev, 1, numvecs, - PCI_IRQ_MSIX | PCI_IRQ_MSI | - PCI_IRQ_LEGACY); - +#if !AQ_CFG_FORCE_INTX + err = pci_alloc_irq_vectors(self->pdev, 1, numvecs, PCI_IRQ_ALL_TYPES); if (err < 0) goto err_hwinit; numvecs = err; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c index 9dfd68f0fda9..8de2cdd09213 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c @@ -352,7 +352,7 @@ static int hw_atl_a0_hw_init(struct aq_hw_s *self, const u8 *mac_addr) { static u32 aq_hw_atl_igcr_table_[4][2] = { [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U }, - [AQ_HW_IRQ_LEGACY] = { 0x20000080U, 0x20000080U }, + [AQ_HW_IRQ_INTX] = { 0x20000080U, 0x20000080U }, [AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U }, [AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U }, }; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index 54e70f07b573..56c46266bb0a 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -562,7 +562,7 @@ static int hw_atl_b0_hw_init(struct aq_hw_s *self, const u8 *mac_addr) { static u32 aq_hw_atl_igcr_table_[4][2] = { [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U }, - [AQ_HW_IRQ_LEGACY] = { 0x20000080U, 0x20000080U }, + [AQ_HW_IRQ_INTX] = { 0x20000080U, 0x20000080U }, [AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U }, [AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U }, }; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c index 220400a633f5..b0ed572e88c6 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl2/hw_atl2.c @@ -534,7 +534,7 @@ static int hw_atl2_hw_init(struct aq_hw_s *self, const u8 *mac_addr) { static u32 aq_hw_atl2_igcr_table_[4][2] = { [AQ_HW_IRQ_INVALID] = { 0x20000000U, 0x20000000U }, - [AQ_HW_IRQ_LEGACY] = { 0x20000080U, 0x20000080U }, + [AQ_HW_IRQ_INTX] = { 0x20000080U, 0x20000080U }, [AQ_HW_IRQ_MSI] = { 0x20000021U, 0x20000025U }, [AQ_HW_IRQ_MSIX] = { 0x20000022U, 0x20000026U }, }; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 49bb9a8f00e6..0dbb541155f3 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -901,7 +901,7 @@ static int alx_init_intr(struct alx_priv *alx) int ret; ret = pci_alloc_irq_vectors(alx->hw.pdev, 1, 1, - PCI_IRQ_MSI | PCI_IRQ_LEGACY); + PCI_IRQ_MSI | PCI_IRQ_INTX); if (ret < 0) return ret; diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 5c879a5c86d7..7288afcc8c94 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -5076,7 +5076,7 @@ static int rtl_alloc_irq(struct rtl8169_private *tp) rtl_lock_config_regs(tp); fallthrough; case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_17: - flags = PCI_IRQ_LEGACY; + flags = PCI_IRQ_INTX; break; default: flags = PCI_IRQ_ALL_TYPES; diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index 6dff2c85682d..998c61c22ca1 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -1674,14 +1674,14 @@ static int wx_set_interrupt_capability(struct wx *wx) /* minmum one for queue, one for misc*/ nvecs = 1; nvecs = pci_alloc_irq_vectors(pdev, nvecs, - nvecs, PCI_IRQ_MSI | PCI_IRQ_LEGACY); + nvecs, PCI_IRQ_MSI | PCI_IRQ_INTX); if (nvecs == 1) { if (pdev->msi_enabled) wx_err(wx, "Fallback to MSI.\n"); else - wx_err(wx, "Fallback to LEGACY.\n"); + wx_err(wx, "Fallback to INTx.\n"); } else { - wx_err(wx, "Failed to allocate MSI/LEGACY interrupts. Error: %d\n", nvecs); + wx_err(wx, "Failed to allocate MSI/INTx interrupts. Error: %d\n", nvecs); return nvecs; } @@ -2127,7 +2127,7 @@ void wx_write_eitr(struct wx_q_vector *q_vector) * wx_configure_vectors - Configure vectors for hardware * @wx: board private structure * - * wx_configure_vectors sets up the hardware to properly generate MSI-X/MSI/LEGACY + * wx_configure_vectors sets up the hardware to properly generate MSI-X/MSI/INTx * interrupts. **/ void wx_configure_vectors(struct wx *wx) diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c index a378bc48b1d2..f0441b3d7dcb 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.c +++ b/drivers/net/wireless/ath/ath10k/ahb.c @@ -394,14 +394,14 @@ static irqreturn_t ath10k_ahb_interrupt_handler(int irq, void *arg) if (!ath10k_pci_irq_pending(ar)) return IRQ_NONE; - ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_disable_and_clear_intx_irq(ar); ath10k_pci_irq_msi_fw_mask(ar); napi_schedule(&ar->napi); return IRQ_HANDLED; } -static int ath10k_ahb_request_irq_legacy(struct ath10k *ar) +static int ath10k_ahb_request_irq_intx(struct ath10k *ar) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar); @@ -415,12 +415,12 @@ static int ath10k_ahb_request_irq_legacy(struct ath10k *ar) ar_ahb->irq, ret); return ret; } - ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_LEGACY; + ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_INTX; return 0; } -static void ath10k_ahb_release_irq_legacy(struct ath10k *ar) +static void ath10k_ahb_release_irq_intx(struct ath10k *ar) { struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar); @@ -430,7 +430,7 @@ static void ath10k_ahb_release_irq_legacy(struct ath10k *ar) static void ath10k_ahb_irq_disable(struct ath10k *ar) { ath10k_ce_disable_interrupts(ar); - ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_disable_and_clear_intx_irq(ar); } static int ath10k_ahb_resource_init(struct ath10k *ar) @@ -621,7 +621,7 @@ static int ath10k_ahb_hif_start(struct ath10k *ar) ath10k_core_napi_enable(ar); ath10k_ce_enable_interrupts(ar); - ath10k_pci_enable_legacy_irq(ar); + ath10k_pci_enable_intx_irq(ar); ath10k_pci_rx_post(ar); @@ -775,7 +775,7 @@ static int ath10k_ahb_probe(struct platform_device *pdev) ath10k_pci_init_napi(ar); - ret = ath10k_ahb_request_irq_legacy(ar); + ret = ath10k_ahb_request_irq_intx(ar); if (ret) goto err_free_pipes; @@ -806,7 +806,7 @@ err_halt_device: ath10k_ahb_clock_disable(ar); err_free_irq: - ath10k_ahb_release_irq_legacy(ar); + ath10k_ahb_release_irq_intx(ar); err_free_pipes: ath10k_pci_release_resource(ar); @@ -828,7 +828,7 @@ static void ath10k_ahb_remove(struct platform_device *pdev) ath10k_core_unregister(ar); ath10k_ahb_irq_disable(ar); - ath10k_ahb_release_irq_legacy(ar); + ath10k_ahb_release_irq_intx(ar); ath10k_pci_release_resource(ar); ath10k_ahb_halt_chip(ar); ath10k_ahb_clock_disable(ar); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 5c34b156b4ff..6aeeab2edf5a 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -721,7 +721,7 @@ bool ath10k_pci_irq_pending(struct ath10k *ar) return false; } -void ath10k_pci_disable_and_clear_legacy_irq(struct ath10k *ar) +void ath10k_pci_disable_and_clear_intx_irq(struct ath10k *ar) { /* IMPORTANT: INTR_CLR register has to be set after * INTR_ENABLE is set to 0, otherwise interrupt can not be @@ -739,7 +739,7 @@ void ath10k_pci_disable_and_clear_legacy_irq(struct ath10k *ar) PCIE_INTR_ENABLE_ADDRESS); } -void ath10k_pci_enable_legacy_irq(struct ath10k *ar) +void ath10k_pci_enable_intx_irq(struct ath10k *ar) { ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS, @@ -1935,7 +1935,7 @@ static void ath10k_pci_irq_msi_fw_unmask(struct ath10k *ar) static void ath10k_pci_irq_disable(struct ath10k *ar) { ath10k_ce_disable_interrupts(ar); - ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_disable_and_clear_intx_irq(ar); ath10k_pci_irq_msi_fw_mask(ar); } @@ -1949,7 +1949,7 @@ static void ath10k_pci_irq_sync(struct ath10k *ar) static void ath10k_pci_irq_enable(struct ath10k *ar) { ath10k_ce_enable_interrupts(ar); - ath10k_pci_enable_legacy_irq(ar); + ath10k_pci_enable_intx_irq(ar); ath10k_pci_irq_msi_fw_unmask(ar); } @@ -3111,11 +3111,11 @@ static irqreturn_t ath10k_pci_interrupt_handler(int irq, void *arg) return IRQ_NONE; } - if ((ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY) && + if ((ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_INTX) && !ath10k_pci_irq_pending(ar)) return IRQ_NONE; - ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_disable_and_clear_intx_irq(ar); ath10k_pci_irq_msi_fw_mask(ar); napi_schedule(&ar->napi); @@ -3152,7 +3152,7 @@ static int ath10k_pci_napi_poll(struct napi_struct *ctx, int budget) napi_schedule(ctx); goto out; } - ath10k_pci_enable_legacy_irq(ar); + ath10k_pci_enable_intx_irq(ar); ath10k_pci_irq_msi_fw_unmask(ar); } @@ -3177,7 +3177,7 @@ static int ath10k_pci_request_irq_msi(struct ath10k *ar) return 0; } -static int ath10k_pci_request_irq_legacy(struct ath10k *ar) +static int ath10k_pci_request_irq_intx(struct ath10k *ar) { struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); int ret; @@ -3199,8 +3199,8 @@ static int ath10k_pci_request_irq(struct ath10k *ar) struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); switch (ar_pci->oper_irq_mode) { - case ATH10K_PCI_IRQ_LEGACY: - return ath10k_pci_request_irq_legacy(ar); + case ATH10K_PCI_IRQ_INTX: + return ath10k_pci_request_irq_intx(ar); case ATH10K_PCI_IRQ_MSI: return ath10k_pci_request_irq_msi(ar); default: @@ -3232,7 +3232,7 @@ static int ath10k_pci_init_irq(struct ath10k *ar) ath10k_pci_irq_mode); /* Try MSI */ - if (ath10k_pci_irq_mode != ATH10K_PCI_IRQ_LEGACY) { + if (ath10k_pci_irq_mode != ATH10K_PCI_IRQ_INTX) { ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_MSI; ret = pci_enable_msi(ar_pci->pdev); if (ret == 0) @@ -3250,7 +3250,7 @@ static int ath10k_pci_init_irq(struct ath10k *ar) * For now, fix the race by repeating the write in below * synchronization checking. */ - ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_LEGACY; + ar_pci->oper_irq_mode = ATH10K_PCI_IRQ_INTX; ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS, PCIE_INTR_FIRMWARE_MASK | PCIE_INTR_CE_MASK_ALL); @@ -3258,7 +3258,7 @@ static int ath10k_pci_init_irq(struct ath10k *ar) return 0; } -static void ath10k_pci_deinit_irq_legacy(struct ath10k *ar) +static void ath10k_pci_deinit_irq_intx(struct ath10k *ar) { ath10k_pci_write32(ar, SOC_CORE_BASE_ADDRESS + PCIE_INTR_ENABLE_ADDRESS, 0); @@ -3269,8 +3269,8 @@ static int ath10k_pci_deinit_irq(struct ath10k *ar) struct ath10k_pci *ar_pci = ath10k_pci_priv(ar); switch (ar_pci->oper_irq_mode) { - case ATH10K_PCI_IRQ_LEGACY: - ath10k_pci_deinit_irq_legacy(ar); + case ATH10K_PCI_IRQ_INTX: + ath10k_pci_deinit_irq_intx(ar); break; default: pci_disable_msi(ar_pci->pdev); @@ -3307,14 +3307,14 @@ int ath10k_pci_wait_for_target_init(struct ath10k *ar) if (val & FW_IND_INITIALIZED) break; - if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_LEGACY) + if (ar_pci->oper_irq_mode == ATH10K_PCI_IRQ_INTX) /* Fix potential race by repeating CORE_BASE writes */ - ath10k_pci_enable_legacy_irq(ar); + ath10k_pci_enable_intx_irq(ar); mdelay(10); } while (time_before(jiffies, timeout)); - ath10k_pci_disable_and_clear_legacy_irq(ar); + ath10k_pci_disable_and_clear_intx_irq(ar); ath10k_pci_irq_msi_fw_mask(ar); if (val == 0xffffffff) { diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h index 27bb4cf2dfea..4c3f536f2ea1 100644 --- a/drivers/net/wireless/ath/ath10k/pci.h +++ b/drivers/net/wireless/ath/ath10k/pci.h @@ -101,7 +101,7 @@ struct ath10k_pci_supp_chip { enum ath10k_pci_irq_mode { ATH10K_PCI_IRQ_AUTO = 0, - ATH10K_PCI_IRQ_LEGACY = 1, + ATH10K_PCI_IRQ_INTX = 1, ATH10K_PCI_IRQ_MSI = 2, }; @@ -243,9 +243,9 @@ int ath10k_pci_init_pipes(struct ath10k *ar); int ath10k_pci_init_config(struct ath10k *ar); void ath10k_pci_rx_post(struct ath10k *ar); void ath10k_pci_flush(struct ath10k *ar); -void ath10k_pci_enable_legacy_irq(struct ath10k *ar); +void ath10k_pci_enable_intx_irq(struct ath10k *ar); bool ath10k_pci_irq_pending(struct ath10k *ar); -void ath10k_pci_disable_and_clear_legacy_irq(struct ath10k *ar); +void ath10k_pci_disable_and_clear_intx_irq(struct ath10k *ar); void ath10k_pci_irq_msi_fw_mask(struct ath10k *ar); int ath10k_pci_wait_for_target_init(struct ath10k *ar); int ath10k_pci_setup_resource(struct ath10k *ar); diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c index 9986a4cb37eb..282f1e5a882e 100644 --- a/drivers/net/wireless/realtek/rtw88/pci.c +++ b/drivers/net/wireless/realtek/rtw88/pci.c @@ -1612,7 +1612,7 @@ static struct rtw_hci_ops rtw_pci_ops = { static int rtw_pci_request_irq(struct rtw_dev *rtwdev, struct pci_dev *pdev) { - unsigned int flags = PCI_IRQ_LEGACY; + unsigned int flags = PCI_IRQ_INTX; int ret; if (!rtw_disable_msi) diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 19001130ad94..100549694e53 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -3547,7 +3547,7 @@ static int rtw89_pci_request_irq(struct rtw89_dev *rtwdev, unsigned long flags = 0; int ret; - flags |= PCI_IRQ_LEGACY | PCI_IRQ_MSI; + flags |= PCI_IRQ_INTX | PCI_IRQ_MSI; ret = pci_alloc_irq_vectors(pdev, 1, 1, flags); if (ret < 0) { rtw89_err(rtwdev, "failed to alloc irq vectors, ret %d\n", ret); diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c index 48823b53ede3..48dfb1a69a77 100644 --- a/drivers/ntb/hw/idt/ntb_hw_idt.c +++ b/drivers/ntb/hw/idt/ntb_hw_idt.c @@ -2129,7 +2129,7 @@ static int idt_init_isr(struct idt_ntb_dev *ndev) int ret; /* Allocate just one interrupt vector for the ISR */ - ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_LEGACY); + ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_INTX); if (ret != 1) { dev_err(&pdev->dev, "Failed to allocate IRQ vector"); return ret; diff --git a/drivers/pci/msi/api.c b/drivers/pci/msi/api.c index be679aa5db64..dfba4d6dd535 100644 --- a/drivers/pci/msi/api.c +++ b/drivers/pci/msi/api.c @@ -213,8 +213,8 @@ EXPORT_SYMBOL(pci_disable_msix); * * %PCI_IRQ_MSIX Allow trying MSI-X vector allocations * * %PCI_IRQ_MSI Allow trying MSI vector allocations * - * * %PCI_IRQ_LEGACY Allow trying legacy INTx interrupts, if - * and only if @min_vecs == 1 + * * %PCI_IRQ_INTX Allow trying INTx interrupts, if and + * only if @min_vecs == 1 * * * %PCI_IRQ_AFFINITY Auto-manage IRQs affinity by spreading * the vectors around available CPUs @@ -279,8 +279,8 @@ int pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, return nvecs; } - /* use legacy IRQ if allowed */ - if (flags & PCI_IRQ_LEGACY) { + /* use INTx IRQ if allowed */ + if (flags & PCI_IRQ_INTX) { if (min_vecs == 1 && dev->irq) { /* * Invoke the affinity spreading logic to ensure that diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 13605261a881..70b2806fdfd9 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1277,6 +1277,11 @@ static int pci_dev_wait(struct pci_dev *dev, char *reset_type, int timeout) for (;;) { u32 id; + if (pci_dev_is_disconnected(dev)) { + pci_dbg(dev, "disconnected; not waiting\n"); + return -ENOTTY; + } + pci_read_config_dword(dev, PCI_COMMAND, &id); if (!PCI_POSSIBLE_ERROR(id)) break; @@ -2110,20 +2115,6 @@ static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags) return err; } -/** - * pci_enable_device_io - Initialize a device for use with IO space - * @dev: PCI device to be initialized - * - * Initialize device before it's used by a driver. Ask low-level code - * to enable I/O resources. Wake up the device if it was suspended. - * Beware, this function can fail. - */ -int pci_enable_device_io(struct pci_dev *dev) -{ - return pci_enable_device_flags(dev, IORESOURCE_IO); -} -EXPORT_SYMBOL(pci_enable_device_io); - /** * pci_enable_device_mem - Initialize a device for use with Memory space * @dev: PCI device to be initialized @@ -4625,11 +4616,12 @@ int pcie_retrain_link(struct pci_dev *pdev, bool use_lt) /* * Ensure the updated LNKCTL parameters are used during link - * training by checking that there is no ongoing link training to - * avoid LTSSM race as recommended in Implementation Note at the - * end of PCIe r6.0.1 sec 7.5.3.7. + * training by checking that there is no ongoing link training that + * may have started before link parameters were changed, so as to + * avoid LTSSM race as recommended in Implementation Note at the end + * of PCIe r6.1 sec 7.5.3.7. */ - rc = pcie_wait_for_link_status(pdev, use_lt, !use_lt); + rc = pcie_wait_for_link_status(pdev, true, false); if (rc) return rc; diff --git a/drivers/pci/pcie/portdrv.c b/drivers/pci/pcie/portdrv.c index 14a4b89a3b83..bb65dfe43409 100644 --- a/drivers/pci/pcie/portdrv.c +++ b/drivers/pci/pcie/portdrv.c @@ -187,15 +187,15 @@ static int pcie_init_service_irqs(struct pci_dev *dev, int *irqs, int mask) * interrupt. */ if ((mask & PCIE_PORT_SERVICE_PME) && pcie_pme_no_msi()) - goto legacy_irq; + goto intx_irq; /* Try to use MSI-X or MSI if supported */ if (pcie_port_enable_irq_vec(dev, irqs, mask) == 0) return 0; -legacy_irq: - /* fall back to legacy IRQ */ - ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY); +intx_irq: + /* fall back to INTX IRQ */ + ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_INTX); if (ret < 0) return -ENODEV; diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index a3da776bf986..3ea15cf8203f 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1482,6 +1482,9 @@ static int pci_scan_bridge_extend(struct pci_bus *bus, struct pci_dev *dev, } out: + /* Clear errors in the Secondary Status Register */ + pci_write_config_word(dev, PCI_SEC_STATUS, 0xffff); + pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bctl); pm_runtime_put(&dev->dev); diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index ba38649cc142..73ec4460a151 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -1505,7 +1505,7 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id) * IRQ handler for ME interaction * Note: don't use MSI here as the PCH has bugs. */ - ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY); + ret = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_INTX); if (ret < 0) return ret; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index ad227e6cb10e..35860c61468b 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -1007,7 +1007,7 @@ msi_int0: goto msi_int1; } } - nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY); + nvec = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_INTX); if (nvec < 1) return FAILED; msi_int1: diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index af18d20f3079..23b19fa30661 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -7509,7 +7509,7 @@ fallback: */ static int hpsa_interrupt_mode(struct ctlr_info *h) { - unsigned int flags = PCI_IRQ_LEGACY; + unsigned int flags = PCI_IRQ_INTX; int ret; /* Some boards advertise MSI but don't really support it */ diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 3819f7c42788..e0326f1e6559 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -9463,7 +9463,7 @@ static int ipr_probe_ioa(struct pci_dev *pdev, ipr_number_of_msix = IPR_MAX_MSIX_VECTORS; } - irq_flag = PCI_IRQ_LEGACY; + irq_flag = PCI_IRQ_INTX; if (ioa_cfg->ipr_chip->has_msi) irq_flag |= PCI_IRQ_MSI | PCI_IRQ_MSIX; rc = pci_alloc_irq_vectors(pdev, 1, ipr_number_of_msix, irq_flag); diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 3d4f13da1ae8..631a24d91fa9 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -6300,7 +6300,7 @@ static int megasas_init_fw(struct megasas_instance *instance) } if (!instance->msix_vectors) { - i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY); + i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_INTX); if (i < 0) goto fail_init_adapter; } @@ -7839,7 +7839,7 @@ megasas_resume(struct device *dev) if (!instance->msix_vectors) { rval = pci_alloc_irq_vectors(instance->pdev, 1, 1, - PCI_IRQ_LEGACY); + PCI_IRQ_INTX); if (rval < 0) goto fail_reenable_msix; } diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 1b492e9a3e55..40f6f87428d5 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -3515,7 +3515,7 @@ _base_enable_msix(struct MPT3SAS_ADAPTER *ioc) ioc_info(ioc, "High IOPs queues : disabled\n"); ioc->reply_queue_count = 1; ioc->iopoll_q_start_index = ioc->reply_queue_count - 0; - r = pci_alloc_irq_vectors(ioc->pdev, 1, 1, PCI_IRQ_LEGACY); + r = pci_alloc_irq_vectors(ioc->pdev, 1, 1, PCI_IRQ_INTX); if (r < 0) { dfailprintk(ioc, ioc_info(ioc, "pci_alloc_irq_vector(legacy) failed (r=%d) !!!\n", diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index e8bcc3a88732..9c57efa10732 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4033,7 +4033,7 @@ static int pmcraid_register_interrupt_handler(struct pmcraid_instance *pinstance) { struct pci_dev *pdev = pinstance->pdev; - unsigned int irq_flag = PCI_IRQ_LEGACY, flag; + unsigned int irq_flag = PCI_IRQ_INTX, flag; int num_hrrq, rc, i; irq_handler_t isr; diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index f88ecdb93a8a..c4fea077265e 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -1346,7 +1346,7 @@ exit: static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) { - unsigned int irq_flag = PCI_IRQ_MSIX | PCI_IRQ_MSI | PCI_IRQ_LEGACY; + unsigned int irq_flag = PCI_IRQ_ALL_TYPES; struct pvscsi_adapter *adapter; struct pvscsi_adapter adapter_temp; struct Scsi_Host *host = NULL; diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 0d35c77fad9e..400b16c0336c 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -4108,7 +4108,7 @@ pciserial_init_ports(struct pci_dev *dev, const struct pciserial_board *board) rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_ALL_TYPES); } else { pci_dbg(dev, "Using legacy interrupts\n"); - rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY); + rc = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_INTX); } if (rc < 0) { kfree(priv); diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index ee3156f49533..a08f3f228e6d 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -189,7 +189,8 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct hc_driver *driver) * make sure irq setup is not touched for xhci in generic hcd code */ if ((driver->flags & HCD_MASK) < HCD_USB3) { - retval = pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_LEGACY | PCI_IRQ_MSI); + retval = pci_alloc_irq_vectors(dev, 1, 1, + PCI_IRQ_INTX | PCI_IRQ_MSI); if (retval < 0) { dev_err(&dev->dev, "Found HC with no IRQ. Check BIOS/PCI %s setup!\n", diff --git a/include/linux/pci.h b/include/linux/pci.h index 8d6ee97784e0..011d0f6827d1 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1079,8 +1079,6 @@ enum { #define PCI_IRQ_MSIX (1 << 2) /* Allow MSI-X interrupts */ #define PCI_IRQ_AFFINITY (1 << 3) /* Auto-assign affinity */ -#define PCI_IRQ_LEGACY PCI_IRQ_INTX /* Deprecated! Use PCI_IRQ_INTX */ - /* These external functions are only available when PCI support is enabled */ #ifdef CONFIG_PCI @@ -1317,7 +1315,6 @@ int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val); int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val); int __must_check pci_enable_device(struct pci_dev *dev); -int __must_check pci_enable_device_io(struct pci_dev *dev); int __must_check pci_enable_device_mem(struct pci_dev *dev); int __must_check pci_reenable_device(struct pci_dev *); int __must_check pcim_enable_device(struct pci_dev *pdev); @@ -1650,8 +1647,7 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode, */ #define PCI_IRQ_VIRTUAL (1 << 4) -#define PCI_IRQ_ALL_TYPES \ - (PCI_IRQ_LEGACY | PCI_IRQ_MSI | PCI_IRQ_MSIX) +#define PCI_IRQ_ALL_TYPES (PCI_IRQ_INTX | PCI_IRQ_MSI | PCI_IRQ_MSIX) #include @@ -1721,7 +1717,7 @@ pci_alloc_irq_vectors_affinity(struct pci_dev *dev, unsigned int min_vecs, unsigned int max_vecs, unsigned int flags, struct irq_affinity *aff_desc) { - if ((flags & PCI_IRQ_LEGACY) && min_vecs == 1 && dev->irq) + if ((flags & PCI_IRQ_INTX) && min_vecs == 1 && dev->irq) return 1; return -ENOSPC; } @@ -2020,10 +2016,9 @@ static inline int pci_register_driver(struct pci_driver *drv) static inline void pci_unregister_driver(struct pci_driver *drv) { } static inline u8 pci_find_capability(struct pci_dev *dev, int cap) { return 0; } -static inline int pci_find_next_capability(struct pci_dev *dev, u8 post, - int cap) +static inline u8 pci_find_next_capability(struct pci_dev *dev, u8 post, int cap) { return 0; } -static inline int pci_find_ext_capability(struct pci_dev *dev, int cap) +static inline u16 pci_find_ext_capability(struct pci_dev *dev, int cap) { return 0; } static inline u64 pci_get_dsn(struct pci_dev *dev) @@ -2525,7 +2520,12 @@ static inline struct pci_dev *pcie_find_root_port(struct pci_dev *dev) static inline bool pci_dev_is_disconnected(const struct pci_dev *dev) { - return dev->error_state == pci_channel_io_perm_failure; + /* + * error_state is set in pci_dev_set_io_state() using xchg/cmpxchg() + * and read w/o common lock. READ_ONCE() ensures compiler cannot cache + * the value (e.g. inside the loop in pci_dev_wait()). + */ + return READ_ONCE(dev->error_state) == pci_channel_io_perm_failure; } void pci_request_acs(void); diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c index d7f8940099ce..69818e4b43da 100644 --- a/sound/soc/intel/avs/core.c +++ b/sound/soc/intel/avs/core.c @@ -343,7 +343,7 @@ static int avs_hdac_acquire_irq(struct avs_dev *adev) int ret; /* request one and check that we only got one interrupt */ - ret = pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI | PCI_IRQ_LEGACY); + ret = pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI | PCI_IRQ_INTX); if (ret != 1) { dev_err(adev->dev, "Failed to allocate IRQ vector: %d\n", ret); return ret;