From: Kishon Vijay Abraham I Date: Thu, 19 Aug 2021 12:33:40 +0000 (+0530) Subject: PCI: cadence: Simplify code to get register base address for configuring BAR X-Git-Tag: v5.15-rc1~61^2~2^2~3 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0cf985d6119cc21fc39774b4b29dcf1e0148bf55;p=thirdparty%2Flinux.git PCI: cadence: Simplify code to get register base address for configuring BAR No functional change. Simplify code to get register base address for configuring PCI BAR. Link: https://lore.kernel.org/r/20210819123343.1951-6-kishon@ti.com Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Lorenzo Pieralisi --- diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c index 912a15be8bfda..f337f08424001 100644 --- a/drivers/pci/controller/cadence/pcie-cadence-ep.c +++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c @@ -97,13 +97,8 @@ static int cdns_pcie_ep_set_bar(struct pci_epc *epc, u8 fn, u8 vfn, cdns_pcie_writel(pcie, CDNS_PCIE_AT_IB_EP_FUNC_BAR_ADDR1(fn, bar), addr1); - if (bar < BAR_4) { - reg = CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn); - b = bar; - } else { - reg = CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn); - b = bar - BAR_4; - } + reg = CDNS_PCIE_LM_EP_FUNC_BAR_CFG(bar, fn); + b = (bar < BAR_4) ? bar : bar - BAR_4; cfg = cdns_pcie_readl(pcie, reg); cfg &= ~(CDNS_PCIE_LM_EP_FUNC_BAR_CFG_BAR_APERTURE_MASK(b) | @@ -126,13 +121,8 @@ static void cdns_pcie_ep_clear_bar(struct pci_epc *epc, u8 fn, u8 vfn, enum pci_barno bar = epf_bar->barno; u32 reg, cfg, b, ctrl; - if (bar < BAR_4) { - reg = CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn); - b = bar; - } else { - reg = CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn); - b = bar - BAR_4; - } + reg = CDNS_PCIE_LM_EP_FUNC_BAR_CFG(bar, fn); + b = (bar < BAR_4) ? bar : bar - BAR_4; ctrl = CDNS_PCIE_LM_BAR_CFG_CTRL_DISABLED; cfg = cdns_pcie_readl(pcie, reg); diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h index 30db2d68c17a0..347ed7bd2038e 100644 --- a/drivers/pci/controller/cadence/pcie-cadence.h +++ b/drivers/pci/controller/cadence/pcie-cadence.h @@ -8,6 +8,7 @@ #include #include +#include #include /* Parameters for the waiting for link up routine */ @@ -46,6 +47,8 @@ #define CDNS_PCIE_LM_EP_ID_BUS_SHIFT 8 /* Endpoint Function f BAR b Configuration Registers */ +#define CDNS_PCIE_LM_EP_FUNC_BAR_CFG(bar, fn) \ + (((bar) < BAR_4) ? CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn) : CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn)) #define CDNS_PCIE_LM_EP_FUNC_BAR_CFG0(fn) \ (CDNS_PCIE_LM_BASE + 0x0240 + (fn) * 0x0008) #define CDNS_PCIE_LM_EP_FUNC_BAR_CFG1(fn) \