cdns_spi_resume(9)

💖 cdns_spi_resume (9) — Kernel API Manual 💖

okay so bestie, welcome to the Kernel API Manual, and today's main character is cdns_spi_resume — the resume method for the SPI driver. yes, THE resume method. she wakes things up. she's that girl. 🦋

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✨ NAME ✨

cdns_spi_resume — literally the resume method for the SPI driver, no cap

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🌸 SYNOPSIS 🌸

int cdns_spi_resume (struct device *dev );

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🎀 ARGUMENTS 🎀

• dev — the address of the platform_device structure. that's it. that's the whole vibe check. she just wants the address, hand it over 🫶

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💅 DESCRIPTION 💅

so what does she actually do? she changes the driver state to "ready". that's the whole flex. the driver is now ready. iconic behaviour honestly 🔥

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⭐ RETURN ⭐

• 0 on success — slay, we love a zero 💖
• an error value on error — not slay, but she's honest about it 😭

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🌈 SEE ALSO 🌈

like, go read the kernel file ./drivers/spi/spi-cadence.c first, and then honestly just binge the whole friend group:

• struct cdns_spi(9)
• cdns_spi_init_hw(9)
• cdns_spi_chipselect(9)
• cdns_spi_config_clock_mode(9)
• cdns_spi_config_clock_freq(9)
• cdns_spi_setup_transfer(9)
• cdns_spi_process_fifo(9)
• cdns_spi_irq(9)
• cdns_transfer_one(9)
• cdns_prepare_transfer_hardware(9)
• cdns_unprepare_transfer_hardware(9)
• cdns_spi_detect_fifo_depth(9)
• cdns_target_abort(9)
• cdns_spi_probe(9)
• cdns_spi_remove(9)
• cdns_spi_suspend(9)
• cdns_spi_runtime_resume(9)
• cdns_spi_runtime_suspend(9)

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ngl this page is short but she ate. go wake up that driver bestie 💀✨

and that's the whole page, no notes 🧚 source lives in ./drivers/spi, dated October 2026 — mwah, bye 👑💜