Change in coreboot[master]: cpu/haswell/acpi.c: Use static.c exposed lapic 0

[Arthur Heymans (Code Review)]

Attention is currently required from: Arthur Heymans, Patrick Rudolph.
Hello Arthur Heymans,

I'd like you to do a code review. Please visit

https://review.coreboot.org/c/coreboot/+/59314

to review the following change.

Change subject: cpu/haswell/acpi.c: Use static.c exposed lapic 0
......................................................................

cpu/haswell/acpi.c: Use static.c exposed lapic 0

Change-Id: Ic449b2df8036e8c02b5559cca6b2e7479a70a786
Signed-off-by: Arthur Heymans 
---
M src/cpu/intel/haswell/acpi.c
M src/cpu/intel/haswell/chip.h
M src/cpu/intel/haswell/haswell_init.c
3 files changed, 4 insertions(+), 24 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/14/59314/1

diff --git a/src/cpu/intel/haswell/acpi.c b/src/cpu/intel/haswell/acpi.c
index f20d446..711f372 100644
--- a/src/cpu/intel/haswell/acpi.c
+++ b/src/cpu/intel/haswell/acpi.c
@@ -168,12 +168,7 @@
    if (!haswell_is_ult())
    	return false;

-	const struct device *lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC);
-
-	if (!lapic || !lapic->chip_info)
-		return false;
-
-	const struct cpu_intel_haswell_config *conf = lapic->chip_info;
+	const struct cpu_intel_haswell_config *conf = config_of(config_of_lapic());

return conf->s0ix_enable;
 }
diff --git a/src/cpu/intel/haswell/chip.h b/src/cpu/intel/haswell/chip.h
index 776e239..5f2324c 100644
--- a/src/cpu/intel/haswell/chip.h
+++ b/src/cpu/intel/haswell/chip.h
@@ -1,8 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0-only */

-/* Magic value used to locate this chip in the device tree */
-#define SPEEDSTEP_APIC_MAGIC 0xACAC
-
 #include <stdbool.h>
 #include <stdint.h>

diff --git a/src/cpu/intel/haswell/haswell_init.c b/src/cpu/intel/haswell/haswell_init.c
index d4f3587..872c728 100644
--- a/src/cpu/intel/haswell/haswell_init.c
+++ b/src/cpu/intel/haswell/haswell_init.c
@@ -179,13 +179,8 @@
    struct cpu_vr_config vr_config = { 0 };
    msr_t msr;

-	const struct device *lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC);
-
-	if (lapic && lapic->chip_info) {
-		const struct cpu_intel_haswell_config *conf = lapic->chip_info;
-
-		vr_config = conf->vr_config;
-	}
+	const struct cpu_intel_haswell_config *conf = config_of(config_of_lapic());
+	vr_config = conf->vr_config;

printk(BIOS_DEBUG, "Initializing VR config.\n");

@@ -452,16 +447,9 @@

static void configure_thermal_target(void)
 {
-	struct cpu_intel_haswell_config *conf;
-	struct device *lapic;
+	const struct cpu_intel_haswell_config *conf = config_of(config_of_lapic());
    msr_t msr;

-	/* Find pointer to CPU configuration */
-	lapic = dev_find_lapic(SPEEDSTEP_APIC_MAGIC);
-	if (!lapic || !lapic->chip_info)
-		return;
-	conf = lapic->chip_info;
-
    /* Set TCC activation offset if supported */
    msr = rdmsr(MSR_PLATFORM_INFO);
    if ((msr.lo & (1 << 30)) && conf->tcc_offset) {