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authorLinus Torvalds <torvalds@linux-foundation.org>2024-11-29 19:25:44 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2024-11-29 19:25:44 +0100
commitf15167014a15324f1439ea5ca375468e23c77633 (patch)
tree1cebd0733f19b970e38376bfae1977a8b53f52a4
parentMerge tag 'trace-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tr... (diff)
parentpowerpc/prom_init: Fixup missing powermac #size-cells (diff)
downloadlinux-f15167014a15324f1439ea5ca375468e23c77633.tar.xz
linux-f15167014a15324f1439ea5ca375468e23c77633.zip
Merge tag 'powerpc-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Madhavan Srinivasan: - Fix htmldocs errors in sysfs-bus-event_source-devices-vpa-pmu - Fix warning due to missing #size-cells on powermac Thanks to Michael Ellerman, Yang Li, Rob Herring, and Stephen Rothwell. * tag 'powerpc-6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/prom_init: Fixup missing powermac #size-cells docs: ABI: sysfs-bus-event_source-devices-vpa-pmu: Fix htmldocs errors powerpc/machdep: Remove duplicated include in svm.c
-rw-r--r--Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu15
-rw-r--r--arch/powerpc/kernel/prom_init.c29
-rw-r--r--arch/powerpc/platforms/pseries/svm.c1
3 files changed, 35 insertions, 10 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu
index 8285263ff78d..a116aee9709a 100644
--- a/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu
+++ b/Documentation/ABI/testing/sysfs-bus-event_source-devices-vpa-pmu
@@ -8,17 +8,18 @@ Description: Read-only. Attribute group to describe the magic bits
Each attribute under this group defines a bit range of the
perf_event_attr.config. Supported attribute are listed
below::
- event = "config:0-31" - event ID
- For example::
+ event = "config:0-31" - event ID
- l1_to_l2_lat = "event=0x1"
+ For example::
+
+ l1_to_l2_lat = "event=0x1"
What: /sys/bus/event_source/devices/vpa_pmu/events
Date: November 2024
Contact: Linux on PowerPC Developer List <linuxppc-dev@lists.ozlabs.org>
-Description: Read-only. Attribute group to describe performance monitoring
+Description: Read-only. Attribute group to describe performance monitoring
events for the Virtual Processor Area events. Each attribute
- in this group describes a single performance monitoring event
- supported by vpa_pmu. The name of the file is the name of
- the event (See ABI/testing/sysfs-bus-event_source-devices-events).
+ in this group describes a single performance monitoring event
+ supported by vpa_pmu. The name of the file is the name of
+ the event (See ABI/testing/sysfs-bus-event_source-devices-events).
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 73210e5bcfa7..8e776ba39497 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2848,7 +2848,7 @@ static void __init fixup_device_tree_chrp(void)
#endif
#if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC)
-static void __init fixup_device_tree_pmac(void)
+static void __init fixup_device_tree_pmac64(void)
{
phandle u3, i2c, mpic;
u32 u3_rev;
@@ -2888,7 +2888,31 @@ static void __init fixup_device_tree_pmac(void)
&parent, sizeof(parent));
}
#else
-#define fixup_device_tree_pmac()
+#define fixup_device_tree_pmac64()
+#endif
+
+#ifdef CONFIG_PPC_PMAC
+static void __init fixup_device_tree_pmac(void)
+{
+ __be32 val = 1;
+ char type[8];
+ phandle node;
+
+ // Some pmacs are missing #size-cells on escc nodes
+ for (node = 0; prom_next_node(&node); ) {
+ type[0] = '\0';
+ prom_getprop(node, "device_type", type, sizeof(type));
+ if (prom_strcmp(type, "escc"))
+ continue;
+
+ if (prom_getproplen(node, "#size-cells") != PROM_ERROR)
+ continue;
+
+ prom_setprop(node, NULL, "#size-cells", &val, sizeof(val));
+ }
+}
+#else
+static inline void fixup_device_tree_pmac(void) { }
#endif
#ifdef CONFIG_PPC_EFIKA
@@ -3111,6 +3135,7 @@ static void __init fixup_device_tree(void)
{
fixup_device_tree_chrp();
fixup_device_tree_pmac();
+ fixup_device_tree_pmac64();
fixup_device_tree_efika();
fixup_device_tree_pasemi();
}
diff --git a/arch/powerpc/platforms/pseries/svm.c b/arch/powerpc/platforms/pseries/svm.c
index c5d0f92c7969..384c9dc1899a 100644
--- a/arch/powerpc/platforms/pseries/svm.c
+++ b/arch/powerpc/platforms/pseries/svm.c
@@ -10,7 +10,6 @@
#include <linux/memblock.h>
#include <linux/mem_encrypt.h>
#include <linux/cc_platform.h>
-#include <linux/mem_encrypt.h>
#include <asm/machdep.h>
#include <asm/svm.h>
#include <asm/swiotlb.h>