tcs_tx_done(9)

💖 tcs_tx_done(9) 💖

okay so bestie, welcome to the kernel API manual, this one's tcs_tx_done and it's literally the TX Done interrupt handler, no cap ✨

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🌸 NAME 🌸

tcs_tx_done — the TX Done interrupt handler 💅 that's the whole vibe, she handles it and she's done

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🎀 SYNOPSIS 🎀

irqreturn_t tcs_tx_done (int irq , void *p );

like, that's the whole signature, look at her go 🦋

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✨ ARGUMENTS ✨

• irq — the IRQ number. and honestly? she's ignored 🙈 literally does not get looked at, don't worry about her
• p — a pointer to "struct rsc_drv", that's the goods, that's what we actually care about 💖

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🔥 DESCRIPTION 🔥

so this one gets called for ACTIVE_ONLY transfers — and yes those are the only ones we even enable the IRQ for, iykyk — specifically when a transfer is done 💫

that's it, that's the job, and she ate 👑

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🫶 RETURN 🫶

IRQ_HANDLED — that's the answer, always, periodt ⭐

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🌈 SEE ALSO 🌈

the kernel file ./drivers/soc/qcom/rpmh-rsc.c and honestly the whole friend group:

• tcs_invalidate(9)
• rpmh_rsc_invalidate(9)
• get_tcs_for_msg(9)
• get_req_from_tcs(9)
• __tcs_set_trigger(9)
• enable_tcs_irq(9)
• __tcs_buffer_write(9)
• check_for_req_inflight(9)
• find_free_tcs(9)
• claim_tcs_for_req(9)
• rpmh_rsc_send_data(9)
• find_slots(9)
• rpmh_rsc_write_ctrl_data(9)
• rpmh_rsc_ctrlr_is_busy(9)
• rpmh_rsc_write_next_wakeup(9)
• rpmh_rsc_cpu_pm_callback(9)
• rpmh_rsc_pd_callback(9)

go read them, they're iconic, all of them 💜

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and that's the page bestie 🎀 this one lives in ./drivers/soc/qcom, dated October 2026, and it's from the Kernel API Manual — mwah, love u, go handle some interrupts 💅✨💖