zynq_qspi_setup_op(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… zynq_qspi_setup_op(9) β€” a Kernel API Manual moment

okay bestie, welcome to the Kernel API Manual, and today's main character is zynq_qspi_setup_op. She's a kernel function, she configures a QSPI controller, and she's about to make your whole SPI transfer situation make sense. let's go πŸŽ€


✨ NAME ✨

zynq_qspi_setup_op β€” literally just: configure the QSPI controller. that's her whole job, and she does it. πŸ’…


🌸 SYNOPSIS 🌸

int zynq_qspi_setup_op (struct spi_device *spi );

πŸ¦‹ ARGUMENTS πŸ¦‹

  • spi β€” a pointer to the spi_device structure. yes, that's the one. she needs it. don't be weird about it 🫢

⭐ DESCRIPTION ⭐

so here's the vibe: zynq_qspi_setup_op sets the operational mode of the QSPI controller for the next QSPI transfer. like, it's prepping the runway for the flight that's about to take off ✈️✨

it also handles the baud rate and the divisor value, all so it can set up the requested QSPI clock. basically: modes, timing, clock β€” she's got the whole fit coordinated, head to toe. no cap. πŸ‘‘


πŸ”₯ RETURN πŸ”₯

  • 0 on success β€” slay, we love a zero πŸ’–
  • an error value on failure β€” 😭 not the error values, but okay, that's what happens, so you gotta handle it fr fr

🌈 SEE ALSO 🌈

like, go read the whole friend group honestly:

they're all in ./drivers/spi together, it's giving iconic little family reunion πŸ§šπŸ¦‹


πŸ’€ reminder bestie: this page is from the Kernel API Manual, so if you're reading it somewhere weird, that's between you and the kernel.

and that's the page!! πŸ’œ brought to you by ./drivers/spi, dated October 2026 β€” shoutout to the source and the date, holding it down at the very bottom like the faithful footer icons they are πŸŽ€βœ¨ bye bestie, go configure something πŸ”₯πŸ‘‘

πŸ“¦ where this page comes from