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authorLinus Torvalds <torvalds@linux-foundation.org>2019-01-05 17:57:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-01-05 17:57:34 -0800
commit926b02d3eb547daa1d56cf9b586f31b270488b77 (patch)
tree839c5f5ac6ab4f3c50056360da1b8d1af181d6b1 /include
parentcf26057a9441173ad552e90cea3344607075c9ad (diff)
parent72199051af6205049e96ee7ed34f4fc5f44d1baf (diff)
Merge tag 'pci-v4.21-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas: - Remove unused lists from ASPM pcie_link_state (Frederick Lawler) - Fix Broadcom CNB20LE host bridge unintended sign extension (Colin Ian King) - Expand Kconfig "PF" acronyms (Randy Dunlap) - Update MAINTAINERS for arch/x86/kernel/early-quirks.c (Bjorn Helgaas) - Add missing include to drivers/pci.h (Alexandru Gagniuc) - Override Synopsys USB 3.x HAPS device class so dwc3-haps can claim it instead of xhci (Thinh Nguyen) - Clean up P2PDMA documentation (Randy Dunlap) - Allow runtime PM even if driver doesn't supply callbacks (Jarkko Nikula) - Remove status check after submitting Switchtec MRPC Firmware Download commands to avoid Completion Timeouts (Kelvin Cao) - Set Switchtec coherent DMA mask to allow 64-bit DMA (Boris Glimcher) - Fix Switchtec SWITCHTEC_IOCTL_EVENT_IDX_ALL flag overwrite issue (Joey Zhang) - Enable write combining for Switchtec MRPC Input buffers (Kelvin Cao) - Add Switchtec MRPC DMA mode support (Wesley Sheng) - Skip VF scanning on powerpc, which does this in firmware (Sebastian Ott) - Add Amlogic Meson PCIe controller driver and DT bindings (Yue Wang) - Constify histb dw_pcie_host_ops structure (Julia Lawall) - Support multiple power domains for imx6 (Leonard Crestez) - Constify layerscape driver data (Stefan Agner) - Update imx6 Kconfig to allow imx6 PCIe in imx7 kernel (Trent Piepho) - Support armada8k GPIO reset (Baruch Siach) - Support suspend/resume support on imx6 (Leonard Crestez) - Don't hard-code DesignWare DBI/ATU offst (Stephen Warren) - Skip i.MX6 PHY setup on i.MX7D (Andrey Smirnov) - Remove Jianguo Sun from HiSilicon STB maintainers (Lorenzo Pieralisi) - Mask DesignWare interrupts instead of disabling them to avoid lost interrupts (Marc Zyngier) - Add locking when acking DesignWare interrupts (Marc Zyngier) - Ack DesignWare interrupts in the proper callbacks (Marc Zyngier) - Use devm resource parser in mediatek (Honghui Zhang) - Remove unused mediatek "num-lanes" DT property (Honghui Zhang) - Add UniPhier PCIe controller driver and DT bindings (Kunihiko Hayashi) - Enable MSI for imx6 downstream components (Richard Zhu) * tag 'pci-v4.21-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (40 commits) PCI: imx: Enable MSI from downstream components s390/pci: skip VF scanning PCI/IOV: Add flag so platforms can skip VF scanning PCI/IOV: Factor out sriov_add_vfs() PCI: uniphier: Add UniPhier PCIe host controller support dt-bindings: PCI: Add UniPhier PCIe host controller description PCI: amlogic: Add the Amlogic Meson PCIe controller driver dt-bindings: PCI: meson: add DT bindings for Amlogic Meson PCIe controller arm64: dts: mt7622: Remove un-used property for PCIe arm: dts: mt7623: Remove un-used property for PCIe dt-bindings: PCI: MediaTek: Remove un-used property PCI: mediatek: Remove un-used variant in struct mtk_pcie_port MAINTAINERS: Remove Jianguo Sun from HiSilicon STB DWC entry PCI: dwc: Don't hard-code DBI/ATU offset PCI: imx: Add imx6sx suspend/resume support PCI: armada8k: Add support for gpio controlled reset signal PCI: dwc: Adjust Kconfig to allow IMX6 PCIe host on IMX7 PCI: dwc: layerscape: Constify driver data PCI: imx: Add multi-pd support PCI: Override Synopsys USB 3.x HAPS device class ...
Diffstat (limited to 'include')
-rw-r--r--include/linux/mfd/syscon/imx6q-iomuxc-gpr.h1
-rw-r--r--include/linux/pci.h7
-rw-r--r--include/linux/pci_ids.h3
-rw-r--r--include/linux/switchtec.h16
4 files changed, 24 insertions, 3 deletions
diff --git a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
index 6c1ad160ed87..c1b25f5e386d 100644
--- a/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
+++ b/include/linux/mfd/syscon/imx6q-iomuxc-gpr.h
@@ -440,6 +440,7 @@
#define IMX6SX_GPR5_DISP_MUX_DCIC1_MASK (0x1 << 1)
#define IMX6SX_GPR12_PCIE_TEST_POWERDOWN BIT(30)
+#define IMX6SX_GPR12_PCIE_PM_TURN_OFF BIT(16)
#define IMX6SX_GPR12_PCIE_RX_EQ_MASK (0x7 << 0)
#define IMX6SX_GPR12_PCIE_RX_EQ_2 (0x2 << 0)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 1ab78a23ae08..65f1d8c2f082 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -413,6 +413,7 @@ struct pci_dev {
unsigned int non_compliant_bars:1; /* Broken BARs; ignore them */
unsigned int is_probed:1; /* Device probing in progress */
unsigned int link_active_reporting:1;/* Device capable of reporting link active */
+ unsigned int no_vf_scan:1; /* Don't scan for VFs after IOV enablement */
pci_dev_flags_t dev_flags;
atomic_t enable_cnt; /* pci_enable_device has been called */
@@ -772,9 +773,9 @@ struct pci_driver {
int (*suspend)(struct pci_dev *dev, pm_message_t state); /* Device suspended */
int (*suspend_late)(struct pci_dev *dev, pm_message_t state);
int (*resume_early)(struct pci_dev *dev);
- int (*resume) (struct pci_dev *dev); /* Device woken up */
- void (*shutdown) (struct pci_dev *dev);
- int (*sriov_configure) (struct pci_dev *dev, int num_vfs); /* On PF */
+ int (*resume)(struct pci_dev *dev); /* Device woken up */
+ void (*shutdown)(struct pci_dev *dev);
+ int (*sriov_configure)(struct pci_dev *dev, int num_vfs); /* On PF */
const struct pci_error_handlers *err_handler;
const struct attribute_group **groups;
struct device_driver driver;
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index d86d5a2477fc..5eaf39dbc388 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2361,6 +2361,9 @@
#define PCI_DEVICE_ID_CENATEK_IDE 0x0001
#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI 0xabce
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31 0xabcf
#define PCI_VENDOR_ID_USR 0x16ec
diff --git a/include/linux/switchtec.h b/include/linux/switchtec.h
index ab400af6f0ce..eee0412bdf4b 100644
--- a/include/linux/switchtec.h
+++ b/include/linux/switchtec.h
@@ -29,6 +29,7 @@
#define SWITCHTEC_EVENT_EN_IRQ BIT(3)
#define SWITCHTEC_EVENT_FATAL BIT(4)
+#define SWITCHTEC_DMA_MRPC_EN BIT(0)
enum {
SWITCHTEC_GAS_MRPC_OFFSET = 0x0000,
SWITCHTEC_GAS_TOP_CFG_OFFSET = 0x1000,
@@ -46,6 +47,10 @@ struct mrpc_regs {
u32 cmd;
u32 status;
u32 ret_value;
+ u32 dma_en;
+ u64 dma_addr;
+ u32 dma_vector;
+ u32 dma_ver;
} __packed;
enum mrpc_status {
@@ -342,6 +347,14 @@ struct pff_csr_regs {
struct switchtec_ntb;
+struct dma_mrpc_output {
+ u32 status;
+ u32 cmd_id;
+ u32 rtn_code;
+ u32 output_size;
+ u8 data[SWITCHTEC_MRPC_PAYLOAD_SIZE];
+};
+
struct switchtec_dev {
struct pci_dev *pdev;
struct device dev;
@@ -381,6 +394,9 @@ struct switchtec_dev {
u8 link_event_count[SWITCHTEC_MAX_PFF_CSR];
struct switchtec_ntb *sndev;
+
+ struct dma_mrpc_output *dma_mrpc;
+ dma_addr_t dma_mrpc_dma_addr;
};
static inline struct switchtec_dev *to_stdev(struct device *dev)