STRUCT KEMPLD_PLATFORM_DATA(9)

💅 struct kempld_platform_data(9) — Kernel API Manual 🎀

okay bestie, welcome to the Kernel API Manual, page for struct kempld_platform_data(9). this one's short and sweet and honestly kind of iconic for it. let's go ✨

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🌸 NAME 🌸

struct kempld_platform_data — the PLD hardware configuration structure. that's it, that's the whole job: it's a lil bundle of settings that tells the kernel how the PLD is wired up 🫶

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✨ SYNOPSIS ✨

here's the shape of it, literally, exactly, don't touch:

struct kempld_platform_data {
    u32 pld_clock;
    int gpio_base;
    struct resource                 *ioresource;
    void (*get_hardware_mutex)      (struct kempld_device_data *);
    void (*release_hardware_mutex)  (struct kempld_device_data *);
    int (*get_info)                 (struct kempld_device_data *);
    int (*register_cells)           (struct kempld_device_data *);
 };

like, look at her. fields AND function pointers. a whole personality 🌈

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🦋 Members 🦋

• pld_clock — the PLD clock frequency. yes, a u32, yes it's the speed. that's the vibe ⭐
• gpio_base — the GPIO base pin number. where the pins start numbering, basically 👑
• ioresource — IO addresses of the PLD. the struct resource * that says "she lives here" 📍
• get_hardware_mutex — the PLD specific get_mutex callback. you grab the mutex through this bad boy 💅
• release_hardware_mutex — the PLD specific release_mutex callback. and this is how you let go bestie, no hard feelings 🫶
• get_info — the PLD specific get_info callback. it gets the info. it's giving "named exactly what she does" 😭
• register_cells — the PLD specific register_cells callback. she registers the cells, that's the whole arc 🔥

ngl, every one of these callbacks takes a struct kempld_device_data * and honestly that's the most consistent thing about them 💀

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💜 SEE ALSO 💜

• Kernel file ./include/linux/mfd/kempld.h
• struct kempld_info(9)
• struct kempld_device_data(9)

go read those too, iykyk 📚

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aaaand that's the page! mwah 💋 this little icon was brought to you by the folks at ./include/linux/mfd, dated October 2026, and her full title is struct kempld_platform_data(9). slay, bye 🧚‍♀️💖