usb_role_switch_get_drvdata(9)

💖 usb_role_switch_get_drvdata(9) 💖

okay bestie, welcome to the Kernel API Manual page for usb_role_switch_get_drvdata(9) — it's giving tiny getter with main character energy, and we're gonna understand it fr fr ✨

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🌸 NAME 🌸

usb_role_switch_get_drvdata — Get the private data pointer of a switch 🫶

like, that's the whole vibe: it gets the private data pointer of a switch. no cap.

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🦋 SYNOPSIS 🦋

the signature is literally right here, bestie:

void * usb_role_switch_get_drvdata (struct usb_role_switch *sw );

so it returns a void *, and it takes one argument: a pointer to a struct usb_role_switch named sw. iconic, honestly.

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🎀 ARGUMENTS 🎀

• sw — USB Role Switch. that's the switch you're getting the private data pointer from, iykyk 💅

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🔥 SEE ALSO 🔥

if you're going down the USB role switch rabbit hole — and honestly, same — the kernel file to peek at is ./drivers/usb/roles/class.c, and here's the whole related-function squad:

• usb_role_switch_set_role(9)
• usb_role_switch_get_role(9)
• usb_role_switch_get(9)
• fwnode_usb_role_switch_get(9)
• usb_role_switch_put(9)
• usb_role_switch_find_by_fwnode(9)
• usb_role_switch_register(9)
• usb_role_switch_unregister(9)
• usb_role_switch_set_drvdata(9)

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xoxo, from ./drivers/usb/roles · October 2026 · usb_role_switch_get_drvdata(9) out 💖✨