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Mark flash_devinfo_ptr() as RAM code to avoid flash call during flash_range_erase() #2235

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Merged
merged 1 commit into from
Feb 4, 2025
Merged

Mark flash_devinfo_ptr() as RAM code to avoid flash call during flash_range_erase() #2235

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2 changes: 1 addition & 1 deletion src/rp2_common/hardware_flash/flash.c
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Original file line number Diff line number Diff line change
Expand Up @@ -288,7 +288,7 @@ void flash_get_unique_id(uint8_t *id_out) {
#if !PICO_RP2040
// This is a static symbol because the layout of FLASH_DEVINFO is liable to change from device to
// device, so fields must have getters/setters.
static io_rw_16 * flash_devinfo_ptr(void) {
static io_rw_16 * __no_inline_not_in_flash_func(flash_devinfo_ptr)(void) {
// Note the lookup returns a pointer to a 32-bit pointer literal in the ROM
io_rw_16 **p = (io_rw_16 **) rom_data_lookup_inline(ROM_DATA_FLASH_DEVINFO16_PTR);
assert(p);
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