From patchwork Mon Jan 27 15:49:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 240291 List-Id: U-Boot discussion From: sjg at chromium.org (Simon Glass) Date: Mon, 27 Jan 2020 08:49:37 -0700 Subject: [PATCH 02/21] dm: pci: Update the PCI read_config() method to const dev * In-Reply-To: <20200127154956.64368-1-sjg@chromium.org> References: <20200127154956.64368-1-sjg@chromium.org> Message-ID: <20200127084920.2.I900b0334ac3e2377865fef23204521c1ac59410d@changeid> At present this method uses a non-const udevice pointer, but the call should not modify the device. Use a const pointer. Signed-off-by: Simon Glass --- drivers/misc/p2sb_emul.c | 5 +++-- drivers/misc/swap_case.c | 9 +++++---- drivers/pci/pci-aardvark.c | 2 +- drivers/pci/pci-emul-uclass.c | 2 +- drivers/pci/pci-rcar-gen2.c | 4 ++-- drivers/pci/pci-rcar-gen3.c | 2 +- drivers/pci/pci-uclass.c | 14 ++++++++------ drivers/pci/pci_mpc85xx.c | 2 +- drivers/pci/pci_mvebu.c | 2 +- drivers/pci/pci_sandbox.c | 2 +- drivers/pci/pci_sh7751.c | 2 +- drivers/pci/pci_tegra.c | 2 +- drivers/pci/pci_x86.c | 5 +++-- drivers/pci/pcie_dw_mvebu.c | 2 +- drivers/pci/pcie_dw_ti.c | 2 +- drivers/pci/pcie_ecam_generic.c | 11 ++++++----- drivers/pci/pcie_fsl.c | 2 +- drivers/pci/pcie_imx.c | 2 +- drivers/pci/pcie_intel_fpga.c | 4 ++-- drivers/pci/pcie_layerscape.c | 4 ++-- drivers/pci/pcie_layerscape_gen4.c | 2 +- drivers/pci/pcie_mediatek.c | 4 ++-- drivers/pci/pcie_phytium.c | 7 +++---- drivers/pci/pcie_xilinx.c | 4 ++-- drivers/power/acpi_pmc/pmc_emul.c | 2 +- include/pci.h | 22 ++++++++++++---------- 26 files changed, 64 insertions(+), 57 deletions(-) diff --git a/drivers/misc/p2sb_emul.c b/drivers/misc/p2sb_emul.c index c3795c59c0..a6ee9a235e 100644 --- a/drivers/misc/p2sb_emul.c +++ b/drivers/misc/p2sb_emul.c @@ -48,8 +48,9 @@ struct p2sb_emul_priv { u8 regs[16]; }; -static int sandbox_p2sb_emul_read_config(struct udevice *emul, uint offset, - ulong *valuep, enum pci_size_t size) +static int sandbox_p2sb_emul_read_config(const struct udevice *emul, + uint offset, ulong *valuep, + enum pci_size_t size) { struct p2sb_emul_platdata *plat = dev_get_platdata(emul); diff --git a/drivers/misc/swap_case.c b/drivers/misc/swap_case.c index 11189d16c8..97e2afa676 100644 --- a/drivers/misc/swap_case.c +++ b/drivers/misc/swap_case.c @@ -51,7 +51,7 @@ struct swap_case_priv { char mem_text[MEM_TEXT_SIZE]; }; -static int sandbox_swap_case_use_ea(struct udevice *dev) +static int sandbox_swap_case_use_ea(const struct udevice *dev) { return !!ofnode_get_property(dev->node, "use-ea", NULL); } @@ -82,7 +82,7 @@ static const u32 ea_regs[] = { PCI_CAP_EA_SIZE_HI, }; -static int sandbox_swap_case_read_ea(struct udevice *emul, uint offset, +static int sandbox_swap_case_read_ea(const struct udevice *emul, uint offset, ulong *valuep, enum pci_size_t size) { u32 reg; @@ -95,8 +95,9 @@ static int sandbox_swap_case_read_ea(struct udevice *emul, uint offset, return 0; } -static int sandbox_swap_case_read_config(struct udevice *emul, uint offset, - ulong *valuep, enum pci_size_t size) +static int sandbox_swap_case_read_config(const struct udevice *emul, + uint offset, ulong *valuep, + enum pci_size_t size) { struct swap_case_platdata *plat = dev_get_platdata(emul); diff --git a/drivers/pci/pci-aardvark.c b/drivers/pci/pci-aardvark.c index aa0b4bc845..f1527ac667 100644 --- a/drivers/pci/pci-aardvark.c +++ b/drivers/pci/pci-aardvark.c @@ -297,7 +297,7 @@ static int pcie_advk_check_pio_status(struct pcie_advk *pcie, * * Return: 0 on success */ -static int pcie_advk_read_config(struct udevice *bus, pci_dev_t bdf, +static int pcie_advk_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pci-emul-uclass.c b/drivers/pci/pci-emul-uclass.c index 0f63e491a7..9486e1cb96 100644 --- a/drivers/pci/pci-emul-uclass.c +++ b/drivers/pci/pci-emul-uclass.c @@ -15,7 +15,7 @@ struct sandbox_pci_emul_priv { int dev_count; }; -int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn, +int sandbox_pci_get_emul(const struct udevice *bus, pci_dev_t find_devfn, struct udevice **containerp, struct udevice **emulp) { struct pci_emul_uc_priv *upriv; diff --git a/drivers/pci/pci-rcar-gen2.c b/drivers/pci/pci-rcar-gen2.c index d913d53f3c..014d870478 100644 --- a/drivers/pci/pci-rcar-gen2.c +++ b/drivers/pci/pci-rcar-gen2.c @@ -107,7 +107,7 @@ static int rcar_gen2_pci_addr_valid(pci_dev_t d, uint offset) return 0; } -static u32 get_bus_address(struct udevice *dev, pci_dev_t bdf, u32 offset) +static u32 get_bus_address(const struct udevice *dev, pci_dev_t bdf, u32 offset) { struct rcar_gen2_pci_priv *priv = dev_get_priv(dev); @@ -126,7 +126,7 @@ static u32 setup_bus_address(struct udevice *dev, pci_dev_t bdf, u32 offset) return get_bus_address(dev, bdf, offset); } -static int rcar_gen2_pci_read_config(struct udevice *dev, pci_dev_t bdf, +static int rcar_gen2_pci_read_config(const struct udevice *dev, pci_dev_t bdf, uint offset, ulong *value, enum pci_size_t size) { diff --git a/drivers/pci/pci-rcar-gen3.c b/drivers/pci/pci-rcar-gen3.c index 52ca13b70c..4ea7930613 100644 --- a/drivers/pci/pci-rcar-gen3.c +++ b/drivers/pci/pci-rcar-gen3.c @@ -204,7 +204,7 @@ static int rcar_gen3_pcie_addr_valid(pci_dev_t d, uint where) return 0; } -static int rcar_gen3_pcie_read_config(struct udevice *dev, pci_dev_t bdf, +static int rcar_gen3_pcie_read_config(const struct udevice *dev, pci_dev_t bdf, uint where, ulong *val, enum pci_size_t size) { diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index 5be2dfd0bf..78d4129572 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -124,7 +124,7 @@ static void pci_dev_find_ofnode(struct udevice *bus, phys_addr_t bdf, } }; -int pci_bus_find_devfn(struct udevice *bus, pci_dev_t find_devfn, +int pci_bus_find_devfn(const struct udevice *bus, pci_dev_t find_devfn, struct udevice **devp) { struct udevice *dev; @@ -551,8 +551,9 @@ int pci_auto_config_devices(struct udevice *bus) } int pci_generic_mmap_write_config( - struct udevice *bus, - int (*addr_f)(struct udevice *bus, pci_dev_t bdf, uint offset, void **addrp), + const struct udevice *bus, + int (*addr_f)(const struct udevice *bus, pci_dev_t bdf, uint offset, + void **addrp), pci_dev_t bdf, uint offset, ulong value, @@ -579,8 +580,9 @@ int pci_generic_mmap_write_config( } int pci_generic_mmap_read_config( - struct udevice *bus, - int (*addr_f)(struct udevice *bus, pci_dev_t bdf, uint offset, void **addrp), + const struct udevice *bus, + int (*addr_f)(const struct udevice *bus, pci_dev_t bdf, uint offset, + void **addrp), pci_dev_t bdf, uint offset, ulong *valuep, @@ -1054,7 +1056,7 @@ static int pci_uclass_child_post_bind(struct udevice *dev) return 0; } -static int pci_bridge_read_config(struct udevice *bus, pci_dev_t bdf, +static int pci_bridge_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pci_mpc85xx.c b/drivers/pci/pci_mpc85xx.c index e58ab60ee0..8dff68dbd0 100644 --- a/drivers/pci/pci_mpc85xx.c +++ b/drivers/pci/pci_mpc85xx.c @@ -15,7 +15,7 @@ struct mpc85xx_pci_priv { void __iomem *cfg_data; }; -static int mpc85xx_pci_dm_read_config(struct udevice *dev, pci_dev_t bdf, +static int mpc85xx_pci_dm_read_config(const struct udevice *dev, pci_dev_t bdf, uint offset, ulong *value, enum pci_size_t size) { diff --git a/drivers/pci/pci_mvebu.c b/drivers/pci/pci_mvebu.c index f9b08f38a1..7d9ad34e9d 100644 --- a/drivers/pci/pci_mvebu.c +++ b/drivers/pci/pci_mvebu.c @@ -136,7 +136,7 @@ static inline struct mvebu_pcie *hose_to_pcie(struct pci_controller *hose) return container_of(hose, struct mvebu_pcie, hose); } -static int mvebu_pcie_read_config(struct udevice *bus, pci_dev_t bdf, +static int mvebu_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pci_sandbox.c b/drivers/pci/pci_sandbox.c index 2af2b79c05..fa4c476597 100644 --- a/drivers/pci/pci_sandbox.c +++ b/drivers/pci/pci_sandbox.c @@ -39,7 +39,7 @@ static int sandbox_pci_write_config(struct udevice *bus, pci_dev_t devfn, return ops->write_config(emul, offset, value, size); } -static int sandbox_pci_read_config(struct udevice *bus, pci_dev_t devfn, +static int sandbox_pci_read_config(const struct udevice *bus, pci_dev_t devfn, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pci_sh7751.c b/drivers/pci/pci_sh7751.c index 53e1668c99..b39c6283db 100644 --- a/drivers/pci/pci_sh7751.c +++ b/drivers/pci/pci_sh7751.c @@ -85,7 +85,7 @@ static u32 get_bus_address(struct udevice *dev, pci_dev_t bdf, u32 offset) return BIT(31) | (PCI_DEV(bdf) << 8) | (offset & ~3); } -static int sh7751_pci_read_config(struct udevice *dev, pci_dev_t bdf, +static int sh7751_pci_read_config(const struct udevice *dev, pci_dev_t bdf, uint offset, ulong *value, enum pci_size_t size) { diff --git a/drivers/pci/pci_tegra.c b/drivers/pci/pci_tegra.c index 56c08585e6..96d308f7bf 100644 --- a/drivers/pci/pci_tegra.c +++ b/drivers/pci/pci_tegra.c @@ -308,7 +308,7 @@ static int tegra_pcie_conf_address(struct tegra_pcie *pcie, pci_dev_t bdf, } } -static int pci_tegra_read_config(struct udevice *bus, pci_dev_t bdf, +static int pci_tegra_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pci_x86.c b/drivers/pci/pci_x86.c index e76a9c6e44..8d036930e7 100644 --- a/drivers/pci/pci_x86.c +++ b/drivers/pci/pci_x86.c @@ -8,8 +8,9 @@ #include #include -static int _pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset, - ulong *valuep, enum pci_size_t size) +static int _pci_x86_read_config(const struct udevice *bus, pci_dev_t bdf, + uint offset, ulong *valuep, + enum pci_size_t size) { return pci_x86_read_config(bdf, offset, valuep, size); } diff --git a/drivers/pci/pcie_dw_mvebu.c b/drivers/pci/pcie_dw_mvebu.c index 693591e375..1f216e1c68 100644 --- a/drivers/pci/pcie_dw_mvebu.c +++ b/drivers/pci/pcie_dw_mvebu.c @@ -240,7 +240,7 @@ static int pcie_dw_addr_valid(pci_dev_t d, int first_busno) * * Return: 0 on success */ -static int pcie_dw_mvebu_read_config(struct udevice *bus, pci_dev_t bdf, +static int pcie_dw_mvebu_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_dw_ti.c b/drivers/pci/pcie_dw_ti.c index b37fc2de7f..433640d3e7 100644 --- a/drivers/pci/pcie_dw_ti.c +++ b/drivers/pci/pcie_dw_ti.c @@ -289,7 +289,7 @@ static int pcie_dw_addr_valid(pci_dev_t d, int first_busno) * * Return: 0 on success */ -static int pcie_dw_ti_read_config(struct udevice *bus, pci_dev_t bdf, +static int pcie_dw_ti_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_ecam_generic.c b/drivers/pci/pcie_ecam_generic.c index 00644edd26..c875f3a5b7 100644 --- a/drivers/pci/pcie_ecam_generic.c +++ b/drivers/pci/pcie_ecam_generic.c @@ -35,8 +35,9 @@ struct generic_ecam_pcie { * code. Otherwise the address to access will be written to the pointer pointed * to by @paddress. */ -static int pci_generic_ecam_conf_address(struct udevice *bus, pci_dev_t bdf, - uint offset, void **paddress) +static int pci_generic_ecam_conf_address(const struct udevice *bus, + pci_dev_t bdf, uint offset, + void **paddress) { struct generic_ecam_pcie *pcie = dev_get_priv(bus); void *addr; @@ -63,9 +64,9 @@ static int pci_generic_ecam_conf_address(struct udevice *bus, pci_dev_t bdf, * space of the device identified by the bus, device & function numbers in @bdf * on the PCI bus @bus. */ -static int pci_generic_ecam_read_config(struct udevice *bus, pci_dev_t bdf, - uint offset, ulong *valuep, - enum pci_size_t size) +static int pci_generic_ecam_read_config(const struct udevice *bus, + pci_dev_t bdf, uint offset, + ulong *valuep, enum pci_size_t size) { return pci_generic_mmap_read_config(bus, pci_generic_ecam_conf_address, bdf, offset, valuep, size); diff --git a/drivers/pci/pcie_fsl.c b/drivers/pci/pcie_fsl.c index ab25aeee73..f516ec0576 100644 --- a/drivers/pci/pcie_fsl.c +++ b/drivers/pci/pcie_fsl.c @@ -42,7 +42,7 @@ static int fsl_pcie_addr_valid(struct fsl_pcie *pcie, pci_dev_t bdf) return 0; } -static int fsl_pcie_read_config(struct udevice *bus, pci_dev_t bdf, +static int fsl_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_imx.c b/drivers/pci/pcie_imx.c index 3621636cb2..8e1713a2d1 100644 --- a/drivers/pci/pcie_imx.c +++ b/drivers/pci/pcie_imx.c @@ -748,7 +748,7 @@ void pci_init_board(void) imx_pcie_init(); } #else -static int imx_pcie_dm_read_config(struct udevice *dev, pci_dev_t bdf, +static int imx_pcie_dm_read_config(const struct udevice *dev, pci_dev_t bdf, uint offset, ulong *value, enum pci_size_t size) { diff --git a/drivers/pci/pcie_intel_fpga.c b/drivers/pci/pcie_intel_fpga.c index a5ea4888f3..a1f6e95e69 100644 --- a/drivers/pci/pcie_intel_fpga.c +++ b/drivers/pci/pcie_intel_fpga.c @@ -226,7 +226,7 @@ static int tlp_cfg_dword_write(struct intel_fpga_pcie *pcie, pci_dev_t bdf, return tlp_read_packet(pcie, NULL); } -int intel_fpga_rp_conf_addr(struct udevice *bus, pci_dev_t bdf, +int intel_fpga_rp_conf_addr(const struct udevice *bus, pci_dev_t bdf, uint offset, void **paddress) { struct intel_fpga_pcie *pcie = dev_get_priv(bus); @@ -326,7 +326,7 @@ static int _pcie_intel_fpga_write_config(struct intel_fpga_pcie *pcie, byte_en, data); } -static int pcie_intel_fpga_read_config(struct udevice *bus, pci_dev_t bdf, +static int pcie_intel_fpga_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c index 2ab67d1fc9..8b313e9278 100644 --- a/drivers/pci/pcie_layerscape.c +++ b/drivers/pci/pcie_layerscape.c @@ -243,7 +243,7 @@ static int ls_pcie_addr_valid(struct ls_pcie *pcie, pci_dev_t bdf) return 0; } -int ls_pcie_conf_address(struct udevice *bus, pci_dev_t bdf, +int ls_pcie_conf_address(const struct udevice *bus, pci_dev_t bdf, uint offset, void **paddress) { struct ls_pcie *pcie = dev_get_priv(bus); @@ -271,7 +271,7 @@ int ls_pcie_conf_address(struct udevice *bus, pci_dev_t bdf, return 0; } -static int ls_pcie_read_config(struct udevice *bus, pci_dev_t bdf, +static int ls_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_layerscape_gen4.c b/drivers/pci/pcie_layerscape_gen4.c index 1fd8761bbc..cec61fa7d6 100644 --- a/drivers/pci/pcie_layerscape_gen4.c +++ b/drivers/pci/pcie_layerscape_gen4.c @@ -227,7 +227,7 @@ void *ls_pcie_g4_conf_address(struct ls_pcie_g4 *pcie, pci_dev_t bdf, return pcie->cfg + offset; } -static int ls_pcie_g4_read_config(struct udevice *bus, pci_dev_t bdf, +static int ls_pcie_g4_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_mediatek.c b/drivers/pci/pcie_mediatek.c index a0dcb258b0..0b412aca0e 100644 --- a/drivers/pci/pcie_mediatek.c +++ b/drivers/pci/pcie_mediatek.c @@ -66,7 +66,7 @@ struct mtk_pcie { struct list_head ports; }; -static int mtk_pcie_config_address(struct udevice *udev, pci_dev_t bdf, +static int mtk_pcie_config_address(const struct udevice *udev, pci_dev_t bdf, uint offset, void **paddress) { struct mtk_pcie *pcie = dev_get_priv(udev); @@ -77,7 +77,7 @@ static int mtk_pcie_config_address(struct udevice *udev, pci_dev_t bdf, return 0; } -static int mtk_pcie_read_config(struct udevice *bus, pci_dev_t bdf, +static int mtk_pcie_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_phytium.c b/drivers/pci/pcie_phytium.c index 92e281e7c2..51b2171f9f 100644 --- a/drivers/pci/pcie_phytium.c +++ b/drivers/pci/pcie_phytium.c @@ -75,9 +75,8 @@ static int phytium_pci_skip_dev(pci_dev_t parent) * code. Otherwise the address to access will be written to the pointer pointed * to by @paddress. */ -static int pci_phytium_conf_address(struct udevice *bus, pci_dev_t bdf, - uint offset, - void **paddress) +static int pci_phytium_conf_address(const struct udevice *bus, pci_dev_t bdf, + uint offset, void **paddress) { struct phytium_pcie *pcie = dev_get_priv(bus); void *addr; @@ -119,7 +118,7 @@ static int pci_phytium_conf_address(struct udevice *bus, pci_dev_t bdf, * space of the device identified by the bus, device & function numbers in @bdf * on the PCI bus @bus. */ -static int pci_phytium_read_config(struct udevice *bus, pci_dev_t bdf, +static int pci_phytium_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/pci/pcie_xilinx.c b/drivers/pci/pcie_xilinx.c index 44a5f1e1f4..05787ae144 100644 --- a/drivers/pci/pcie_xilinx.c +++ b/drivers/pci/pcie_xilinx.c @@ -54,7 +54,7 @@ static bool pcie_xilinx_link_up(struct xilinx_pcie *pcie) * * Return: 0 on success, else -ENODEV */ -static int pcie_xilinx_config_address(struct udevice *udev, pci_dev_t bdf, +static int pcie_xilinx_config_address(const struct udevice *udev, pci_dev_t bdf, uint offset, void **paddress) { struct xilinx_pcie *pcie = dev_get_priv(udev); @@ -97,7 +97,7 @@ static int pcie_xilinx_config_address(struct udevice *udev, pci_dev_t bdf, * * Return: 0 on success, else -ENODEV or -EINVAL */ -static int pcie_xilinx_read_config(struct udevice *bus, pci_dev_t bdf, +static int pcie_xilinx_read_config(const struct udevice *bus, pci_dev_t bdf, uint offset, ulong *valuep, enum pci_size_t size) { diff --git a/drivers/power/acpi_pmc/pmc_emul.c b/drivers/power/acpi_pmc/pmc_emul.c index 15cc7acaf3..dfff335e54 100644 --- a/drivers/power/acpi_pmc/pmc_emul.c +++ b/drivers/power/acpi_pmc/pmc_emul.c @@ -42,7 +42,7 @@ struct pmc_emul_priv { u8 regs[MEMMAP_SIZE]; }; -static int sandbox_pmc_emul_read_config(struct udevice *emul, uint offset, +static int sandbox_pmc_emul_read_config(const struct udevice *emul, uint offset, ulong *valuep, enum pci_size_t size) { struct pmc_emul_platdata *plat = dev_get_platdata(emul); diff --git a/include/pci.h b/include/pci.h index 8c761d8da3..40e3c3fc6f 100644 --- a/include/pci.h +++ b/include/pci.h @@ -899,8 +899,8 @@ struct dm_pci_ops { * @size: Access size * @return 0 if OK, -ve on error */ - int (*read_config)(struct udevice *bus, pci_dev_t bdf, uint offset, - ulong *valuep, enum pci_size_t size); + int (*read_config)(const struct udevice *bus, pci_dev_t bdf, + uint offset, ulong *valuep, enum pci_size_t size); /** * write_config() - Write a PCI configuration value * @@ -974,7 +974,7 @@ int dm_pci_bus_find_bdf(pci_dev_t bdf, struct udevice **devp); * @devp: Returns the device for this address, if found * @return 0 if OK, -ENODEV if not found */ -int pci_bus_find_devfn(struct udevice *bus, pci_dev_t find_devfn, +int pci_bus_find_devfn(const struct udevice *bus, pci_dev_t find_devfn, struct udevice **devp); /** @@ -1155,8 +1155,9 @@ int pci_read_config8(pci_dev_t pcidev, int offset, u8 *valuep); * Return: 0 on success, else -EINVAL */ int pci_generic_mmap_write_config( - struct udevice *bus, - int (*addr_f)(struct udevice *bus, pci_dev_t bdf, uint offset, void **addrp), + const struct udevice *bus, + int (*addr_f)(const struct udevice *bus, pci_dev_t bdf, uint offset, + void **addrp), pci_dev_t bdf, uint offset, ulong value, @@ -1180,8 +1181,9 @@ int pci_generic_mmap_write_config( * Return: 0 on success, else -EINVAL */ int pci_generic_mmap_read_config( - struct udevice *bus, - int (*addr_f)(struct udevice *bus, pci_dev_t bdf, uint offset, void **addrp), + const struct udevice *bus, + int (*addr_f)(const struct udevice *bus, pci_dev_t bdf, uint offset, + void **addrp), pci_dev_t bdf, uint offset, ulong *valuep, @@ -1523,8 +1525,8 @@ struct dm_pci_emul_ops { * @size: Access size * @return 0 if OK, -ve on error */ - int (*read_config)(struct udevice *dev, uint offset, ulong *valuep, - enum pci_size_t size); + int (*read_config)(const struct udevice *dev, uint offset, + ulong *valuep, enum pci_size_t size); /** * write_config() - Write a PCI configuration value * @@ -1609,7 +1611,7 @@ struct dm_pci_emul_ops { * @emulp: Returns emulated device if found * @return 0 if found, -ENODEV if not found */ -int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn, +int sandbox_pci_get_emul(const struct udevice *bus, pci_dev_t find_devfn, struct udevice **containerp, struct udevice **emulp); /**