zynqmp_qspi_read_op(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… zynqmp_qspi_read_op(9) πŸ’…

okay so bestie, welcome to the Kernel API Manual ✨ β€” this little cutie is zynqmp_qspi_read_op(9), and honestly? it's giving "backend bestie doing the actual work while everyone else takes credit." πŸŽ€


🌸 NAME 🌸

zynqmp_qspi_read_op β€” this function sets up the GENFIFO entries and RX DMA operation. periodt. πŸ’…


✨ SYNOPSIS ✨

int zynqmp_qspi_read_op (struct zynqmp_qspi *xqspi , u8 rx_nbits , u32
genfifoentry );

like, that's the whole vibe. three args, one int coming back at you. πŸ¦‹


🫢 ARGUMENTS 🫢

  • xqspi β€” xqspi is a pointer to the GQSPI instance. literally the main character of this whole operation, no cap. πŸ‘‘
  • rx_nbits β€” Receive buswidth. that's the width of the receive bus, bestie, keep up πŸ’–
  • genfifoentry β€” genfifoentry is pointer to the variable in which GENFIFO mask is returned to calling function. yes, it's an out-param situation β€” the mask gets handed right back to whoever called. 🎁

⭐ RETURN ⭐

0 on success; error value otherwise. so like, zero is the slay outcome, anything else is a vibe check failure πŸ˜­πŸ’€


🌈 SEE ALSO 🌈

the whole friend group, gathered for you 🫢 β€” also, the Kernel file ./drivers/spi/spi-zynqmp-gqspi.c:


and that's the whole page, bestie!! 🧚 this little legend lives in ./drivers/spi, and the version/date stamp on it is October 2026 β€” so mark your calendar, mwah πŸ’œπŸ”₯

πŸ“¦ where this page comes from