pch_spi_handler(9)

✨ pch_spi_handler(9) — Kernel API Manual ✨

okay so bestie, this page is literally the Kernel API Manual entry for pch_spi_handler, aka the interrupt handler. It’s giving “small function, big kernel energy” 💅 no cap.

💖 NAME 💖

pch_spi_handler — Interrupt handler. That’s the whole name section, and yes, it ate ✨

✨ SYNOPSIS ✨

The signature is exactly this, character for character:

irqreturn_t pch_spi_handler (int irq , void *dev_id );

So it returns an irqreturn_t, and it takes the two args below 🫶

🎀 ARGUMENTS 🎀

• irq — the interrupt number. Like, which IRQ we’re handling, bestie 🔥
• dev_id — a pointer to struct pch_spi_board_data. That’s the board data pointer, periodt.

🌈 SEE ALSO 🌈

• Kernel file ./drivers/spi/spi-topcliff-pch.c
• struct pch_spi_data(9)
• struct pch_spi_board_data(9)
• pch_spi_writereg(9)
• pch_spi_readreg(9)
• pch_spi_clear_fifo(9)
• pch_spi_set_baud_rate(9)
• pch_spi_set_bits_per_word(9)
• pch_spi_setup_transfer(9)
• pch_spi_reset(9)

friendly reminder: that’s the whole SEE ALSO list, every single one, no cap 💜

xoxo, your kernel bestie 💖 source/version: ./drivers/spi — dated October 2026 🎀