zynqmp_pm_cl...t_attributes(9)

🦋 zynqmp_pm_cl...t_attributes — the kernel API manual, bestie edition

okay so real quick before we dive in: this is from the Kernel API Manual and it's about zynqmp_pm_clock_get_attributes. it's a tiny little function, but it's important, and you're gonna get it. periodt. 💅

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✨ NAME ✨

zynqmp_pm_clock_get_attributes — Get the attributes of clock for given id

like literally, you hand it an id, it hands you back the attributes. that's the whole vibe check.

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🌸 SYNOPSIS 🌸

int zynqmp_pm_clock_get_attributes (u32 clock_id , struct attr_resp
*response );

bestie look at that signature. it returns an int, it takes a u32 clock_id and a struct attr_resp *response. chef's kiss. 🎀

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💖 ARGUMENTS 💖

• clock_id — Clock ID. yes queen, this is the id of the clock you're asking about.
• response — Clock attributes response. this is where the answers get dropped off, so make sure it's pointing somewhere real. 🙈

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🧚 DESCRIPTION 🧚

This function is used to get clock's attributes (e.g. valid, clock type, etc).

so yeah — you wanna know if a clock is valid? what type it is? the other little attributes? this is the function for that. it's giving "one job, does it well". obsessed. ✨

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🔥 RETURN 🔥

0 on success else error+reason.

ngl that's the whole story — 0 means slay, anything else means error plus the reason. so don't just check for nonzero and walk away, the reason is literally right there. 😭

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🌈 SEE ALSO 🌈

Kernel file: ./drivers/clk/zynqmp/clkc.c — that's where the magic lives, iykyk.

and here's the whole friend group, no cap: 🫶

• struct clock_parent(9)
• struct zynqmp_clock(9)
• zynqmp_is_valid_clock(9)
• zynqmp_get_clock_name(9)
• zynqmp_get_clock_type(9)
• zynqmp_pm_clock_get_num_clocks(9)
• zynqmp_pm_clock_get_name(9)
• zynqmp_pm_clock_get_topology(9)
• zynqmp_clk_register_fixed_factor(9)
• zynqmp_pm_clock_get_parents(9)
• __zynqmp_clock_get_topology(9)
• zynqmp_clock_get_topology(9)
• __zynqmp_clock_get_parents(9)
• zynqmp_clock_get_parents(9)
• zynqmp_get_parent_list(9)
• zynqmp_register_clk_topology(9)
• zynqmp_register_clocks(9)
• zynqmp_get_clock_info(9)
• zynqmp_clk_setup(9)

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lowkey a reminder: if response isn't set up right, that's on you, not on the function. be nice to your pointers. 🍓

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and that's the page, bestie!! 🎀 written under ./drivers/clk/zynqmp, dated October 2026, and it lives at zynqmp_pm_cl...t_attributes(9) in the Kernel API Manual. go forth and read your clock attributes, you gorgeous main character. 👑💜