internal_cs_control(9)

okay so this is internal_cs_control(9) from the Kernel API Manual, and it’s giving “tiny but crucial” energy ✨

🌸 NAME 🌸

internal_cs_control — Control chip select signals via SSP_CSR.

🎀 SYNOPSIS 🎀

void internal_cs_control (struct pl022 *pl022 , bool enable );

💅 ARGUMENTS 💅

• pl022 — SSP driver private data structure
• enable — select/delect the chip

💖 DESCRIPTION 💖

Used on controller with internal chip select control via SSP_CSR register (vendor extension). Each of the 5 LSB in the register controls one chip select signal. That’s the whole bit-by-bit situation, bestie — periodt 💅

🦋 SEE ALSO 🦋

Kernel file ./drivers/spi/spi-pl022.c + these iconic friends:

• struct vendor_data(9)
• struct pl022(9)
• struct chip_data(9)
• flush(9)
• restore_state(9)
• load_ssp_default_config(9)
• configure_dma(9)
• pl022_interrupt_handler(9)
• pl022_setup(9)
• pl022_cleanup(9)

mwah 🫶 source/version ./drivers/spi, dated October 2026 — that’s the sign-off, bestie 💖