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Merge patch series "Linux RISC-V AIA Preparatory Series"

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These two  ended up in the AIA series, but they're really independent
improvements.

* b4-shazam-merge:
  of: property: Add fw_devlink support for msi-parent
  RISC-V: Don't fail in riscv_of_parent_hartid() for disabled HARTs

Link: https://lore.kernel.org/r/20231027154254.355853-1-apatel@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Palmer Dabbelt 2023-11-08 18:57:17 -08:00
commit f9a619eb60
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GPG Key ID: 2E1319F35FBB1889
2 changed files with 8 additions and 5 deletions
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11
arch/riscv/kernel/cpu.c
View File

@ -125,13 +125,14 @@ old_interface:
*/
int riscv_of_parent_hartid(struct device_node *node, unsigned long *hartid)
{
int rc;
for (; node; node = node->parent) {
if (of_device_is_compatible(node, "riscv")) {
rc = riscv_of_processor_hartid(node, hartid);
if (!rc)
return 0;
*hartid = (unsigned long)of_get_cpu_hwid(node, 0);
if (*hartid == ~0UL) {
pr_warn("Found CPU without hart ID\n");
return -ENODEV;
}
return 0;
}
}

2
drivers/of/property.c
View File

@ -1267,6 +1267,7 @@ DEFINE_SIMPLE_PROP(resets, "resets", "#reset-cells")
DEFINE_SIMPLE_PROP(leds, "leds", NULL)
DEFINE_SIMPLE_PROP(backlight, "backlight", NULL)
DEFINE_SIMPLE_PROP(panel, "panel", NULL)
DEFINE_SIMPLE_PROP(msi_parent, "msi-parent", "#msi-cells")
DEFINE_SUFFIX_PROP(regulators, "-supply", NULL)
DEFINE_SUFFIX_PROP(gpio, "-gpio", "#gpio-cells")
@ -1356,6 +1357,7 @@ static const struct supplier_bindings of_supplier_bindings[] = {
{ .parse_prop = parse_leds, },
{ .parse_prop = parse_backlight, },
{ .parse_prop = parse_panel, },
{ .parse_prop = parse_msi_parent, },
{ .parse_prop = parse_gpio_compat, },
{ .parse_prop = parse_interrupts, },
{ .parse_prop = parse_regulators, },