Re: [PATCH v3 16/16] arm_mpam: detect and enable MPAM-Fb PCC support

From: Lee Trager

Date: Wed Jul 15 2026 - 12:15:12 EST


On 7/10/26 7:45 AM, Andre Przywara wrote:

diff --git a/drivers/acpi/arm64/mpam.c b/drivers/acpi/arm64/mpam.c
index 84963a20c3e7..64bc84bb2029 100644
--- a/drivers/acpi/arm64/mpam.c
+++ b/drivers/acpi/arm64/mpam.c
@@ -256,6 +256,8 @@ static struct platform_device * __init acpi_mpam_parse_msc(struct acpi_mpam_msc_
} else if (iface == MPAM_IFACE_PCC) {
props[next_prop++] = PROPERTY_ENTRY_U32("pcc-channel",
tbl_msc->base_address);
+ props[next_prop++] = PROPERTY_ENTRY_U32("msc-id",
+ tbl_msc->identifier);
}

props is defined above as:

/* pcc, nrdy, affinity, and a sentinel */

struct property_entry props[4] = { 0 };

With the addition of the new property the array size needs to be increased to 5 and the comment updated