From a60d92f6d941bd77bf3aaec724a7c95857c0165b Mon Sep 17 00:00:00 2001 From: Mayank Rana Date: Mon, 16 Jun 2025 15:42:56 -0700 Subject: PCI: dwc: Export DWC MSI controller related APIs Export dw_pcie_msi_host_init(), dw_pcie_msi_init(), and dw_pcie_free_msi() APIs to allow them to be reused by the upcoming DWC based ECAM driver implementation. Also, move MSI IRQ related initialization code to dw_pcie_msi_init(), as this code must be executed before dw_pcie_msi_init() API can be used with ECAM driver. Signed-off-by: Mayank Rana [mani: commit message rewording] Signed-off-by: Manivannan Sadhasivam Link: https://patch.msgid.link/20250616224259.3549811-2-mayank.rana@oss.qualcomm.com --- drivers/pci/controller/dwc/pcie-designware.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/pci/controller/dwc/pcie-designware.h') diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h index ce9e18554e42..4165c49a0a50 100644 --- a/drivers/pci/controller/dwc/pcie-designware.h +++ b/drivers/pci/controller/dwc/pcie-designware.h @@ -759,6 +759,9 @@ static inline enum dw_pcie_ltssm dw_pcie_get_ltssm(struct dw_pcie *pci) int dw_pcie_suspend_noirq(struct dw_pcie *pci); int dw_pcie_resume_noirq(struct dw_pcie *pci); irqreturn_t dw_handle_msi_irq(struct dw_pcie_rp *pp); +void dw_pcie_msi_init(struct dw_pcie_rp *pp); +int dw_pcie_msi_host_init(struct dw_pcie_rp *pp); +void dw_pcie_free_msi(struct dw_pcie_rp *pp); int dw_pcie_setup_rc(struct dw_pcie_rp *pp); int dw_pcie_host_init(struct dw_pcie_rp *pp); void dw_pcie_host_deinit(struct dw_pcie_rp *pp); @@ -781,6 +784,17 @@ static inline irqreturn_t dw_handle_msi_irq(struct dw_pcie_rp *pp) return IRQ_NONE; } +static inline void dw_pcie_msi_init(struct dw_pcie_rp *pp) +{ } + +static inline int dw_pcie_msi_host_init(struct dw_pcie_rp *pp) +{ + return -ENODEV; +} + +static inline void dw_pcie_free_msi(struct dw_pcie_rp *pp) +{ } + static inline int dw_pcie_setup_rc(struct dw_pcie_rp *pp) { return 0; -- cgit v1.2.3