Merge tag 'x86-platform-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 platform updates from Ingo Molnar:

 - Improve the DeviceTree (OF) NUMA enumeration code to address
   kernel warnings & mis-mappings on DeviceTree platforms

 - Migrate x86 platform drivers to the .remove_new callback API

 - Misc cleanups & fixes

* tag 'x86-platform-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/platform/olpc-xo1-sci: Convert to platform remove callback returning void
  x86/platform/olpc-x01-pm: Convert to platform remove callback returning void
  x86/platform/iris: Convert to platform remove callback returning void
  x86/of: Change x86_dtb_parse_smp_config() to static
  x86/of: Map NUMA node to CPUs as per DeviceTree
  x86/of: Set the parse_smp_cfg for all the DeviceTree platforms by default
  x86/hyperv/vtl: Correct x86_init.mpparse.parse_smp_cfg assignment

Author: torvalds

arch/x86/hyperv/hv_vtl.c

@@ -34,7 +34,6 @@ void __init hv_vtl_init_platform(void)
 	/* Avoid searching for BIOS MP tables */
 	x86_init.mpparse.find_mptable = x86_init_noop;
 	x86_init.mpparse.early_parse_smp_cfg = x86_init_noop;
-	x86_init.mpparse.parse_smp_cfg = x86_init_noop;
 
 	x86_platform.get_wallclock = get_rtc_noop;
 	x86_platform.set_wallclock = set_rtc_noop;

arch/x86/include/asm/prom.h

@@ -23,19 +23,14 @@ extern int of_ioapic;
 extern u64 initial_dtb;
 extern void add_dtb(u64 data);
 void x86_of_pci_init(void);
-void x86_dtb_parse_smp_config(void);
+void x86_flattree_get_config(void);
 #else
 static inline void add_dtb(u64 data) { }
 static inline void x86_of_pci_init(void) { }
-static inline void x86_dtb_parse_smp_config(void) { }
+static inline void x86_flattree_get_config(void) { }
 #define of_ioapic 0
 #endif
 
-#ifdef CONFIG_OF_EARLY_FLATTREE
-void x86_flattree_get_config(void);
-#else
-static inline void x86_flattree_get_config(void) { }
-#endif
 extern char cmd_line[COMMAND_LINE_SIZE];
 
 #endif /* __ASSEMBLY__ */

arch/x86/kernel/devicetree.c

@@ -24,6 +24,7 @@
 #include <asm/pci_x86.h>
 #include <asm/setup.h>
 #include <asm/i8259.h>
+#include <asm/numa.h>
 #include <asm/prom.h>
 
 __initdata u64 initial_dtb;
@@ -137,6 +138,7 @@ static void __init dtb_cpu_setup(void)
 			continue;
 		}
 		topology_register_apic(apic_id, CPU_ACPIID_INVALID, true);
+		set_apicid_to_node(apic_id, of_node_to_nid(dn));
 	}
 }
 
@@ -277,9 +279,18 @@ static void __init dtb_apic_setup(void)
 	dtb_ioapic_setup();
 }
 
-#ifdef CONFIG_OF_EARLY_FLATTREE
+static void __init x86_dtb_parse_smp_config(void)
+{
+	if (!of_have_populated_dt())
+		return;
+
+	dtb_setup_hpet();
+	dtb_apic_setup();
+}
+
 void __init x86_flattree_get_config(void)
 {
+#ifdef CONFIG_OF_EARLY_FLATTREE
 	u32 size, map_len;
 	void *dt;
 
@@ -301,14 +312,7 @@ void __init x86_flattree_get_config(void)
 
 	if (initial_dtb)
 		early_memunmap(dt, map_len);
-}
 #endif
-
-void __init x86_dtb_parse_smp_config(void)
-{
-	if (!of_have_populated_dt())
-		return;
-
-	dtb_setup_hpet();
-	dtb_apic_setup();
+	if (of_have_populated_dt())
+		x86_init.mpparse.parse_smp_cfg = x86_dtb_parse_smp_config;
 }

arch/x86/platform/ce4100/ce4100.c

@@ -139,7 +139,6 @@ void __init x86_ce4100_early_setup(void)
 	x86_init.resources.probe_roms		= x86_init_noop;
 	x86_init.mpparse.find_mptable		= x86_init_noop;
 	x86_init.mpparse.early_parse_smp_cfg	= x86_init_noop;
-	x86_init.mpparse.parse_smp_cfg		= x86_dtb_parse_smp_config;
 	x86_init.pci.init			= ce4100_pci_init;
 	x86_init.pci.init_irq			= sdv_pci_init;
 

arch/x86/platform/iris/iris.c

@@ -62,19 +62,18 @@ static int iris_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int iris_remove(struct platform_device *pdev)
+static void iris_remove(struct platform_device *pdev)
 {
 	pm_power_off = old_pm_power_off;
 	printk(KERN_INFO "Iris power_off handler uninstalled.\n");
-	return 0;
 }
 
 static struct platform_driver iris_driver = {
 	.driver		= {
 		.name   = "iris",
 	},
 	.probe          = iris_probe,
-	.remove         = iris_remove,
+	.remove_new     = iris_remove,
 };
 
 static struct resource iris_resources[] = {

arch/x86/platform/olpc/olpc-xo1-pm.c

@@ -144,31 +144,30 @@ static int xo1_pm_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int xo1_pm_remove(struct platform_device *pdev)
+static void xo1_pm_remove(struct platform_device *pdev)
 {
 	if (strcmp(pdev->name, "cs5535-pms") == 0)
 		pms_base = 0;
 	else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
 		acpi_base = 0;
 
 	pm_power_off = NULL;
-	return 0;
 }
 
 static struct platform_driver cs5535_pms_driver = {
 	.driver = {
 		.name = "cs5535-pms",
 	},
 	.probe = xo1_pm_probe,
-	.remove = xo1_pm_remove,
+	.remove_new = xo1_pm_remove,
 };
 
 static struct platform_driver cs5535_acpi_driver = {
 	.driver = {
 		.name = "olpc-xo1-pm-acpi",
 	},
 	.probe = xo1_pm_probe,
-	.remove = xo1_pm_remove,
+	.remove_new = xo1_pm_remove,
 };
 
 static int __init xo1_pm_init(void)

arch/x86/platform/olpc/olpc-xo1-sci.c

@@ -598,7 +598,7 @@ static int xo1_sci_probe(struct platform_device *pdev)
 	return r;
 }
 
-static int xo1_sci_remove(struct platform_device *pdev)
+static void xo1_sci_remove(struct platform_device *pdev)
 {
 	free_irq(sci_irq, pdev);
 	cancel_work_sync(&sci_work);
@@ -608,7 +608,6 @@ static int xo1_sci_remove(struct platform_device *pdev)
 	free_ebook_switch();
 	free_power_button();
 	acpi_base = 0;
-	return 0;
 }
 
 static struct platform_driver xo1_sci_driver = {
@@ -617,7 +616,7 @@ static struct platform_driver xo1_sci_driver = {
 		.dev_groups = lid_groups,
 	},
 	.probe = xo1_sci_probe,
-	.remove = xo1_sci_remove,
+	.remove_new = xo1_sci_remove,
 	.suspend = xo1_sci_suspend,
 	.resume = xo1_sci_resume,
 };