pruss_cfg_get_gpmux(9)

💅 pruss_cfg_get_gpmux — like, the Kernel API Manual girlies are gonna eat this UP

okay so bestie, welcome to pruss_cfg_get_gpmux(9) ✨ this one is a little function from the Kernel API Manual and honestly? it's giving "small but important." she's short, she's sweet, she reads a value for you and dips. main character energy fr fr 🎀

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🌸 NAME 🌸

pruss_cfg_get_gpmux — get the current GPMUX value for a PRU device 💖

like… that's literally her whole job. get the GPMUX. for a PRU device. no cap.

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✨ SYNOPSIS ✨

int pruss_cfg_get_gpmux (struct pruss *pruss , enum pruss_pru_id pru_id
, u8 *mux );

three things in, one int out, that's the vibe 🔥

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🦋 ARGUMENTS 🦋

okay so here's the tea on what you're passing in, bestie 👇

• pruss — the pruss instance. yes queen, you need the actual instance. 💅
• pru_id — the PRU identifier (0-1). so it's either 0 or 1, pick your fighter 🫶
• mux — a pointer to store the current mux value into 🎀 that's where the answer lands, so make sure it's pointing somewhere real, iykyk

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💀 RETURN 💀

• 0 on success, or an error code otherwise 😭

that's it. that's the whole return section. zero on success, error code if things go sideways, periodt 💜

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🌈 SEE ALSO 🌈

bestie the whole friend group showed up, look at this crew 🧚‍♀️

• Kernel file ./drivers/soc/ti/pruss.c
• struct pruss_private_data(9)
• pruss_get(9)
• pruss_put(9)
• pruss_request_mem_region(9)
• pruss_release_mem_region(9)
• pruss_cfg_set_gpmux(9)
• pruss_cfg_gpimode(9)
• pruss_cfg_miirt_enable(9)
• pruss_cfg_xfr_enable(9)

not me listing all of them exactly like the manpage does because every single one matters 🙈💖

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ok and a lil reminder from your girl: this page lives under ./drivers/soc/ti, dated October 2026, and it's pruss_cfg_get_gpmux(9) all day every day ✨ slay, go read your mux value, and drink some water 🍓🫶💜