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lib: utils/irqchip: Add unique_id to plic, aplic, and imsic data

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Add a 32-bit unique ID to plic, aplic, and imsic data which can be
used to differentiate multiple irqchip devices.

Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260213055342.3124872-7-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Anup Patel
2026-02-13 11:23:40 +05:30
committed by Anup Patel
parent b55bb4cdcb
commit e82d20122d
9 changed files with 11 additions and 0 deletions
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3
lib/utils/fdt/fdt_helper.c
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@@ -673,6 +673,7 @@ int fdt_parse_aplic_node(const void *fdt, int nodeoff, struct aplic_data *aplic)
rc = fdt_get_node_addr_size(fdt, nodeoff, 0, &reg_addr, &reg_size);
if (rc < 0 || !reg_size)
return SBI_ENODEV;
aplic->unique_id = nodeoff;
aplic->addr = reg_addr;
aplic->size = reg_size;
@@ -805,6 +806,7 @@ int fdt_parse_imsic_node(const void *fdt, int nodeoff, struct imsic_data *imsic)
if (nodeoff < 0 || !imsic || !fdt)
return SBI_ENODEV;
imsic->unique_id = nodeoff;
imsic->targets_mmode = false;
val = fdt_getprop(fdt, nodeoff, "interrupts-extended", &len);
if (val && len > sizeof(fdt32_t)) {
@@ -887,6 +889,7 @@ int fdt_parse_plic_node(const void *fdt, int nodeoffset, struct plic_data *plic)
&reg_addr, &reg_size);
if (rc < 0 || !reg_size)
return SBI_ENODEV;
plic->unique_id = nodeoffset;
plic->addr = reg_addr;
plic->size = reg_size;