dfl_fpga_cdev_assign_port(9)

💖 NAME 💖

okay bestie, this is dfl_fpga_cdev_assign_port(9) from the Kernel API Manual — the function that assigns a port platform device back. 🫶

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✨ SYNOPSIS ✨

int dfl_fpga_cdev_assign_port (struct dfl_fpga_cdev *cdev , int port_id
);

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🎀 ARGUMENTS 🎀

• cdev — the parent container device. 👑
• port_id — the id of the port platform device. 🎀

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💅 DESCRIPTION 💅

okay so here’s the tea ☕: this function lets the user assign a port platform device back. It is literally a mandatory step after you disable SRIOV support — do not skip it, bestie. 💅

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🦋 RETURN 🦋

• 0 — success, slay. ✅
• negative error code — otherwise. 😭

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🌈 SEE ALSO 🌈

the kernel file is ./drivers/fpga/dfl.c 📁

• struct dfl_dev_info(9)
• struct dfl_chardev_info(9)
• dfl_fpga_port_ops_get(9)
• dfl_fpga_port_ops_put(9)
• dfl_fpga_port_ops_add(9)
• dfl_fpga_port_ops_del(9)
• dfl_fpga_check_port_id(9)
• dfl_fpga_dev_feature_uinit(9)
• dfl_fpga_dev_feature_init(9)
• dfl_fpga_dev_ops_register(9)
• dfl_fpga_dev_ops_unregister(9)
• struct build_feature_devs_info(9)
• struct dfl_feature_info(9)
• dfh_find_param(9)
• parse_feature(9)
• dfl_fpga_enum_info_add_dfl(9)
• dfl_fpga_enum_info_add_irq(9)
• dfl_fpga_feature_devs_enumerate(9)
• dfl_fpga_feature_devs_remove(9)
• __dfl_fpga_cdev_find_port_data(9)
• dfl_fpga_cdev_release_port(9)
• dfl_fpga_cdev_config_ports_pf(9)
• dfl_fpga_cdev_config_ports_vf(9)
• dfl_fpga_set_irq_triggers(9)
• dfl_feature_ioctl_get_num_irqs(9)
• dfl_feature_ioctl_set_irq(9)

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that’s the whole vibe, bestie — source/version: ./drivers/fpga · date: October 2026 · mwah 💅✨