pci_epc_put(9)

💅 pci_epc_put(9) — the Kernel API Manual, bestie edition ✨

okay so this is a page from the Kernel API Manual (yep, pci_epc_put(9), we're literally in the kernel docs rn) and it's about giving back a PCI endpoint controller when you're done with it 🎀

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🌸 NAME 🌸

pci_epc_put — release the PCI endpoint controller 🫶

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✨ SYNOPSIS ✨

void pci_epc_put (struct pci_epc *epc );

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🦋 ARGUMENTS 🦋

• epc — the epc that pci_epc_get handed you. yeah. that one. the one you already got 👑

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💖 DESCRIPTION 💖

so basically it releases the refcount that the caller obtained by invoking pci_epc_get. that's it. that's the whole vibe. you got it, now you put it back, balance is restored, the universe is at peace ✨ no cap, this is the "put your shopping cart back" of the kernel 🛒

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👑 SEE ALSO 👑

the whole friend group 💜 and also the kernel file ./drivers/pci/endpoint/pci-epc-core.c:

• pci_epc_get(9)
• pci_epc_get_first_free_bar(9)
• pci_epc_get_next_free_bar(9)
• pci_epc_get_features(9)
• pci_epc_get_aux_resources_count(9)
• pci_epc_get_aux_resources(9)
• pci_epc_stop(9)
• pci_epc_start(9)
• pci_epc_raise_irq(9)
• pci_epc_map_msi_irq(9)
• pci_epc_get_msi(9)
• pci_epc_set_msi(9)
• pci_epc_get_msix(9)
• pci_epc_set_msix(9)
• pci_epc_unmap_addr(9)
• pci_epc_map_addr(9)
• pci_epc_mem_map(9)
• pci_epc_mem_unmap(9)
• pci_epc_clear_bar(9)
• pci_epc_set_bar(9)
• pci_epc_bar_size_to_rebar_cap(9)
• pci_epc_write_header(9)
• pci_epc_add_epf(9)
• pci_epc_remove_epf(9)
• pci_epc_linkup(9)
• pci_epc_linkdown(9)
• pci_epc_init_notify(9)
• pci_epc_notify_pending_init(9)
• pci_epc_deinit_notify(9)
• pci_epc_bus_master_enable_notify(9)
• pci_epc_destroy(9)
• __pci_epc_create(9)
• __devm_pci_epc_create(9)

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and that's the whole page bestie, go put your epc back 💅

sign-off szn 🎀 this one lives at ./drivers/pci/endpoint, dated October 2026, and it's page pci_epc_put(9) of the Kernel API Manual — mwah 💋