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PCI: altera: Simplify TLB_CFG_DW0 usage
All TLP_CFG_DW0() uses follow the same pattern based on the root bus number, so pull that into the macro itself to declutter the users. No functional change intended. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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@ -55,7 +55,10 @@
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#define TLP_PAYLOAD_SIZE 0x01
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#define TLP_READ_TAG 0x1d
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#define TLP_WRITE_TAG 0x10
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#define TLP_CFG_DW0(fmttype) (((fmttype) << 24) | TLP_PAYLOAD_SIZE)
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#define TLP_CFG_DW0(pcie, bus) \
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((((bus == pcie->root_bus_nr) ? TLP_FMTTYPE_CFGRD0 \
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: TLP_FMTTYPE_CFGRD1) << 24) | \
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TLP_PAYLOAD_SIZE)
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#define TLP_CFG_DW1(reqid, tag, be) (((reqid) << 16) | (tag << 8) | (be))
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#define TLP_CFG_DW2(bus, devfn, offset) \
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(((bus) << 24) | ((devfn) << 16) | (offset))
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@ -218,11 +221,7 @@ static int tlp_cfg_dword_read(struct altera_pcie *pcie, u8 bus, u32 devfn,
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{
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u32 headers[TLP_HDR_SIZE];
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if (bus == pcie->root_bus_nr)
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headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGRD0);
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else
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headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGRD1);
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headers[0] = TLP_CFG_DW0(pcie, bus);
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headers[1] = TLP_CFG_DW1(TLP_REQ_ID(pcie->root_bus_nr, RP_DEVFN),
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TLP_READ_TAG, byte_en);
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headers[2] = TLP_CFG_DW2(bus, devfn, where);
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@ -238,11 +237,7 @@ static int tlp_cfg_dword_write(struct altera_pcie *pcie, u8 bus, u32 devfn,
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u32 headers[TLP_HDR_SIZE];
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int ret;
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if (bus == pcie->root_bus_nr)
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headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGWR0);
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else
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headers[0] = TLP_CFG_DW0(TLP_FMTTYPE_CFGWR1);
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headers[0] = TLP_CFG_DW0(pcie, bus);
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headers[1] = TLP_CFG_DW1(TLP_REQ_ID(pcie->root_bus_nr, RP_DEVFN),
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TLP_WRITE_TAG, byte_en);
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headers[2] = TLP_CFG_DW2(bus, devfn, where);
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