dma_port_fl..._auth_status(9)

💅 dma_port_fl..._auth_status(9) 💅

okay bestie, welcome to the Kernel API Manual, section 9 — this page is the whole read on dma_port_fl..._auth_status(9). let’s get into it 🫶

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✨ NAME ✨

dma_port_flash_update_auth_status — reads status of update auth command 💖

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🦋 SYNOPSIS 🦋

int dma_port_flash_update_auth_status (struct tb_dma_port *dma , u32
*status );

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💅 ARGUMENTS 💅

• dma — DMA control port 🎀
• status — status code of the operation ✨

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🌸 DESCRIPTION 🌸

so like, this function checks if there is status available from the last update auth command. that’s the whole vibe, no cap 💅

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🔥 RETURN 🔥

• 0 — if there is no status and no further action is required. slay, we’re done 💖
• 1 — if there is some status. status holds the failure code. 💀
• Negative errno — an error occurred when reading status from the switch. 😭

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🎀 SEE ALSO 🎀

• Kernel file ./drivers/thunderbolt/dma_port.c 🦋
• struct tb_dma_port(9)
• dma_port_alloc(9)
• dma_port_free(9)
• dma_port_flash_read(9)
• dma_port_flash_write(9)
• dma_port_flash_update_auth(9)
• dma_port_power_cycle(9)

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🫶 cute sign-off time: source/version is ./drivers/thunderbolt, date is October 2026, and the page tag is dma_port_fl..._auth_status(9). that’s the whole page, bestie — periodt 💖✨