sata_pmp_scr_write(9)

💅 sata_pmp_scr_write(9) — from the Kernel API Manual 💅

Okay bestie, welcome to the Kernel API Manual corner where we write a PSCR and keep it cute. Lowkey low-level, highkey important. Let's go. ✨

💖 NAME 💖

sata_pmp_scr_write — write PSCR

🎀 SYNOPSIS 🎀

int sata_pmp_scr_write (struct ata_link *link , int reg , u32 val );

🦋 ARGUMENTS 🦋

• link — ATA link to write PSCR for. That's the target, bestie.
• reg — PSCR to write. Yep, this one right here.
• val — value to be written. The payload, the moment, the icon.

🌸 DESCRIPTION 🌸

So like, write val to PSCR reg for link, to be called from ata_scr_write and ata_scr_write_flush. That's the whole vibe. 🫶

LOCKING: Kernel thread context (may sleep). 💤

🔥 RETURN 🔥

0 on success, -errno on failure. Zero is slay; negative is giving error energy, fr fr. 😭

🌈 SEE ALSO 🌈

Kernel file ./drivers/ata/libata-pmp.c, plus the whole squad:

• sata_pmp_read(9)
• sata_pmp_write(9)
• sata_pmp_qc_defer_cmd_switch(9)
• sata_pmp_scr_read(9)
• sata_pmp_set_lpm(9)
• sata_pmp_read_gscr(9)
• sata_pmp_attach(9)
• sata_pmp_detach(9)
• sata_pmp_same_pmp(9)
• sata_pmp_revalidate(9)
• sata_pmp_revalidate_quick(9)
• sata_pmp_eh_recover_pmp(9)
• sata_pmp_eh_recover(9)
• sata_pmp_error_handler(9)

Mwah 💋 cute little footer sign-off: source/version corner is ./drivers/ata, dated October 2026, and the page is literally sata_pmp_scr_write(9). That's the whole footer, no crumbs. 👑