From: Damien Le Moal Date: Thu, 17 Oct 2024 01:58:37 +0000 (+0900) Subject: PCI: rockchip-ep: Use a macro to define EP controller .align feature X-Git-Tag: microblaze-v6.16~472^2~5^2~11 X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=739e25f51aedaebf20496fbc99c6ef43fc6d6ca1;p=linux-2.6-microblaze.git PCI: rockchip-ep: Use a macro to define EP controller .align feature Introduce the macro ROCKCHIP_PCIE_AT_SIZE_ALIGN to initialize the .align field of the controller epc_features structure to 256. This is defined as a shift using the macro ROCKCHIP_PCIE_AT_MIN_NUM_BITS (to avoid using the "magic" value 8 directly). Link: https://lore.kernel.org/r/20241017015849.190271-3-dlemoal@kernel.org Signed-off-by: Damien Le Moal Signed-off-by: Krzysztof Wilczyński Signed-off-by: Bjorn Helgaas Reviewed-by: Manivannan Sadhasivam --- diff --git a/drivers/pci/controller/pcie-rockchip-ep.c b/drivers/pci/controller/pcie-rockchip-ep.c index a6805b005798..65014681d859 100644 --- a/drivers/pci/controller/pcie-rockchip-ep.c +++ b/drivers/pci/controller/pcie-rockchip-ep.c @@ -449,7 +449,7 @@ static const struct pci_epc_features rockchip_pcie_epc_features = { .linkup_notifier = false, .msi_capable = true, .msix_capable = false, - .align = 256, + .align = ROCKCHIP_PCIE_AT_SIZE_ALIGN, }; static const struct pci_epc_features* diff --git a/drivers/pci/controller/pcie-rockchip.h b/drivers/pci/controller/pcie-rockchip.h index 15ee949f2485..02368ce9bd54 100644 --- a/drivers/pci/controller/pcie-rockchip.h +++ b/drivers/pci/controller/pcie-rockchip.h @@ -248,6 +248,7 @@ #define ROCKCHIP_PCIE_AT_MIN_NUM_BITS 8 #define ROCKCHIP_PCIE_AT_MAX_NUM_BITS 20 +#define ROCKCHIP_PCIE_AT_SIZE_ALIGN (1UL << ROCKCHIP_PCIE_AT_MIN_NUM_BITS) #define ROCKCHIP_PCIE_AT_IB_EP_FUNC_BAR_ADDR0(fn, bar) \ (PCIE_CORE_AXI_CONF_BASE + 0x0828 + (fn) * 0x0040 + (bar) * 0x0008)