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author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-11-29 19:25:44 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-11-29 19:25:44 +0100 |
commit | f15167014a15324f1439ea5ca375468e23c77633 (patch) | |
tree | 1cebd0733f19b970e38376bfae1977a8b53f52a4 | |
parent | Merge tag 'trace-v6.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tr... (diff) | |
parent | powerpc/prom_init: Fixup missing powermac #size-cells (diff) | |
download | linux-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-pmu | 15 | ||||
-rw-r--r-- | arch/powerpc/kernel/prom_init.c | 29 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/svm.c | 1 |
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> |