ixgbe_x550e...bus_read_c45(9)

💖 ixgbe_x550em_a_mii_bus_read_c45 💖

okay so bestie, welcome to the Kernel API Manual ✨ — this is the page for ixgbe_x550em_a_mii_bus_read_c45, and honestly? it's giving "small function, big responsibilities." 🎀 no cap.

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🌸 NAME 🌸

ixgbe_x550em_a_mii_bus_read_c45 — read a clause 45 register on x550em_a 💅

literally that's the whole job. one job. and she does it iconically.

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✨ SYNOPSIS ✨

int ixgbe_x550em_a_mii_bus_read_c45 (struct mii_bus *bus , int addr ,
int devad , int regnum );

look at her. four arguments, returns an int, zero drama. 🦋

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🫶 ARGUMENTS 🫶

• bus — pointer to the mii_bus structure, and that structure is pointing at our driver private. iykyk, everything lives in there. 👑
• addr — the address. yes bestie, it's just an address. 🎀
• devad — the device address to read. this is the clause 45 part doing clause 45 things. 🔥
• regnum — the register number. the actual spot we're reading from. ⭐

ngl, this is a clause 45 read on x550em_a — that's the whole vibe, don't overthink it. 💀

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💜 SEE ALSO 💜

okay so this is the part where the page goes absolutely off and lists basically the entire ixgbe cinematic universe 😭 — we're talking main character energy from top to bottom:

• Kernel file ./drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
• ixgbe_out_i2c_byte_ack(9), ixgbe_in_i2c_byte_ack(9), ixgbe_ones_comp_byte_add(9), ixgbe_read_i2c_combined_generic_int(9), ixgbe_write_i2c_combined_generic_int(9), ixgbe_probe_phy(9), ixgbe_identify_phy_generic(9), ixgbe_check_reset_blocked(9), ixgbe_get_phy_id(9), ixgbe_get_phy_type_from_id(9), ixgbe_reset_phy_generic(9), ixgbe_read_phy_reg_mdi(9), ixgbe_read_phy_reg_generic(9), ixgbe_write_phy_reg_mdi(9), ixgbe_write_phy_reg_generic(9), ixgbe_msca_cmd(9), ixgbe_mii_bus_read_generic_c22(9), ixgbe_mii_bus_read_generic_c45(9), ixgbe_mii_bus_write_generic_c22(9), ixgbe_mii_bus_write_generic_c45(9), ixgbe_mii_bus_read_c22(9), ixgbe_mii_bus_read_c45(9), ixgbe_mii_bus_write_c22(9), ixgbe_mii_bus_write_c45(9), ixgbe_x550em_a_mii_bus_read_c22(9), ixgbe_x550em_a_mii_bus_write_c22(9), ixgbe_x550em_a_mii_bus_write_c45(9), ixgbe_get_first_secondary_devfn(9), ixgbe_x550em_a_has_mii(9), ixgbe_mii_bus_init(9), ixgbe_setup_phy_link_generic(9), ixgbe_setup_phy_link_speed_generic(9), ixgbe_get_copper_speeds_supported(9), ixgbe_get_copper_link_capabilities_generic(9), ixgbe_check_phy_link_tnx(9), ixgbe_setup_phy_link_tnx(9), ixgbe_reset_phy_nl(9), ixgbe_identify_module_generic(9), ixgbe_identify_sfp_module_generic(9), ixgbe_identify_qsfp_module_generic(9), ixgbe_get_sfp_init_sequence_offsets(9), ixgbe_read_i2c_eeprom_generic(9), ixgbe_read_i2c_sff8472_generic(9), ixgbe_write_i2c_eeprom_generic(9), ixgbe_is_sfp_probe(9), ixgbe_read_i2c_byte_generic_int(9), ixgbe_read_i2c_byte_generic(9), ixgbe_read_i2c_byte_generic_unlocked(9), ixgbe_write_i2c_byte_generic_int(9), ixgbe_write_i2c_byte_generic(9), ixgbe_write_i2c_byte_generic_unlocked(9), ixgbe_i2c_start(9), ixgbe_i2c_stop(9), ixgbe_clock_in_i2c_byte(9), ixgbe_clock_out_i2c_byte(9), ixgbe_get_i2c_ack(9), ixgbe_clock_in_i2c_bit(9), ixgbe_clock_out_i2c_bit(9), ixgbe_raise_i2c_clk(9), ixgbe_lower_i2c_clk(9), ixgbe_set_i2c_data(9), ixgbe_get_i2c_data(9), ixgbe_i2c_bus_clear(9), ixgbe_tn_check_overtemp(9)

like… that's the whole friend group right there. ate and left no crumbs. 🍓

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✨ cute lil sign-off ✨

this icon of a page comes from ./drivers/net/ethernet/intel/i... 🧚 and it's dated October 2026 — so mark your calendars bestie, because that's when this masterpiece said hi. 💖 slay. periodt. 🎀