ax_unprepare...fer_hardware(9)

✨ ax_unprepare...fer_hardware(9) ✨

okay so bestie, welcome to the Kernel API Manual 💅 this one's a lil kernel function from the SPI world and honestly? it's giving "clean up your mess" energy and i'm obsessed 🎀

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🌸 NAME 🌸

ax_unprepare_transfer_hardware — relaxes hardware after transfer 😌 like when you finish a whole essay and you just slump back in your chair, that's this function but for a controller 🫶

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🦋 SYNOPSIS 🦋

int ax_unprepare_transfer_hardware (struct spi_controller *ctlr );

no cap, that's the whole signature ✨

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💖 ARGUMENTS 💖

• ctlr — pointer to the spi_controller structure which provides information about the controller. literally it's the controller's whole vibe passport 🛂 it's gotta know who it is before it can chill.

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⭐ DESCRIPTION ⭐

This function disables the SPI host controller when no target selected 🔥

that's it, that's the tea ☕ no target selected = controller gets to clock out early, main character energy honestly 👑

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🌈 RETURN 🌈

0 always 💀 yes bestie, always — it never misses, it never fails, it just returns 0 every single time like the most reliable bestie in the group chat 🫶✨

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🎀 SEE ALSO 🎀

Kernel file ./drivers/spi/spi-axiado.c — go read the source, iykyk 📖💅

and the whole squad of related functions, all of them, no skipping fr fr:

• ax_spi_read(9)
• ax_spi_write(9)
• ax_spi_write_b(9)
• ax_spi_init_hw(9)
• ax_spi_chipselect(9)
• ax_spi_config_clock_mode(9)
• ax_spi_config_clock_freq(9)
• ax_spi_setup_transfer(9)
• ax_spi_fill_tx_fifo(9)
• ax_spi_get_rx_byte_for_irq(9)
• ax_spi_process_rx_and_finalize(9)
• ax_spi_irq(9)
• ax_transfer_one(9)
• ax_prepare_transfer_hardware(9)
• ax_spi_detect_fifo_depth(9)
• ax_spi_get_rx_byte(9)
• ax_spi_probe(9)
• ax_spi_remove(9)
• ax_spi_suspend(9)
• ax_spi_resume(9)
• ax_spi_runtime_resume(9)
• ax_spi_runtime_suspend(9)

like literally the entire friend group, slay 🌸🦋

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and that's the page bestie!! 🥳 this lil beauty lives in ./drivers/spi and it's dated October 2026 — yes, we're manifesting the future, no cap ⏰✨ bye bye, go prepare some hardware (or, yk, *un*prepare it) 💜👑