docs: move powerpc under arch

diff --git a/Documentation/ABI/testing/sysfs-bus-papr-pmem b/Documentation/ABI/testing/sysfs-bus-papr-pmem
index 46cfe02058fd..34ee8c59ab25 100644
--- a/Documentation/ABI/testing/sysfs-bus-papr-pmem
+++ b/Documentation/ABI/testing/sysfs-bus-papr-pmem
@@ -8,7 +8,7 @@  Description:
 		more bits set in the dimm-health-bitmap retrieved in
 		response to H_SCM_HEALTH hcall. The details of the bit
 		flags returned in response to this hcall is available
-		at 'Documentation/powerpc/papr_hcalls.rst' . Below are
+		at 'Documentation/arch/powerpc/papr_hcalls.rst' . Below are
 		the flags reported in this sysfs file:
 
 		* "not_armed"
diff --git a/Documentation/PCI/pci-error-recovery.rst b/Documentation/PCI/pci-error-recovery.rst
index 0c7552a00c8c..42e1e78353f3 100644
--- a/Documentation/PCI/pci-error-recovery.rst
+++ b/Documentation/PCI/pci-error-recovery.rst
@@ -364,7 +364,7 @@  Note, however, not all failures are truly "permanent". Some are
 caused by over-heating, some by a poorly seated card. Many
 PCI error events are caused by software bugs, e.g. DMAs to
 wild addresses or bogus split transactions due to programming
-errors. See the discussion in Documentation/powerpc/eeh-pci-error-recovery.rst
+errors. See the discussion in Documentation/arch/powerpc/eeh-pci-error-recovery.rst
 for additional detail on real-life experience of the causes of
 software errors.
 
@@ -404,7 +404,7 @@  That is, the recovery API only requires that:
 .. note::
 
    Implementation details for the powerpc platform are discussed in
-   the file Documentation/powerpc/eeh-pci-error-recovery.rst
+   the file Documentation/arch/powerpc/eeh-pci-error-recovery.rst
 
    As of this writing, there is a growing list of device drivers with
    patches implementing error recovery. Not all of these patches are in
diff --git a/Documentation/arch/index.rst b/Documentation/arch/index.rst
index 84b80255b851..1bf7a3f1c77b 100644
--- a/Documentation/arch/index.rst
+++ b/Documentation/arch/index.rst
@@ -19,7 +19,7 @@  implementation.
    nios2/index
    openrisc/index
    parisc/index
-   ../powerpc/index
+   powerpc/index
    ../riscv/index
    s390/index
    sh/index
diff --git a/Documentation/powerpc/associativity.rst b/Documentation/arch/powerpc/associativity.rst
similarity index 100%
rename from Documentation/powerpc/associativity.rst
rename to Documentation/arch/powerpc/associativity.rst
diff --git a/Documentation/powerpc/booting.rst b/Documentation/arch/powerpc/booting.rst
similarity index 100%
rename from Documentation/powerpc/booting.rst
rename to Documentation/arch/powerpc/booting.rst
diff --git a/Documentation/powerpc/bootwrapper.rst b/Documentation/arch/powerpc/bootwrapper.rst
similarity index 100%
rename from Documentation/powerpc/bootwrapper.rst
rename to Documentation/arch/powerpc/bootwrapper.rst
diff --git a/Documentation/powerpc/cpu_families.rst b/Documentation/arch/powerpc/cpu_families.rst
similarity index 100%
rename from Documentation/powerpc/cpu_families.rst
rename to Documentation/arch/powerpc/cpu_families.rst
diff --git a/Documentation/powerpc/cpu_features.rst b/Documentation/arch/powerpc/cpu_features.rst
similarity index 100%
rename from Documentation/powerpc/cpu_features.rst
rename to Documentation/arch/powerpc/cpu_features.rst
diff --git a/Documentation/powerpc/cxl.rst b/Documentation/arch/powerpc/cxl.rst
similarity index 100%
rename from Documentation/powerpc/cxl.rst
rename to Documentation/arch/powerpc/cxl.rst
diff --git a/Documentation/powerpc/cxlflash.rst b/Documentation/arch/powerpc/cxlflash.rst
similarity index 99%
rename from Documentation/powerpc/cxlflash.rst
rename to Documentation/arch/powerpc/cxlflash.rst
index cea67931b3b9..e8f488acfa41 100644
--- a/Documentation/powerpc/cxlflash.rst
+++ b/Documentation/arch/powerpc/cxlflash.rst
@@ -32,7 +32,7 @@  Introduction
     responsible for the initialization of the adapter, setting up the
     special path for user space access, and performing error recovery. It
     communicates directly the Flash Accelerator Functional Unit (AFU)
-    as described in Documentation/powerpc/cxl.rst.
+    as described in Documentation/arch/powerpc/cxl.rst.
 
     The cxlflash driver supports two, mutually exclusive, modes of
     operation at the device (LUN) level:
diff --git a/Documentation/powerpc/dawr-power9.rst b/Documentation/arch/powerpc/dawr-power9.rst
similarity index 100%
rename from Documentation/powerpc/dawr-power9.rst
rename to Documentation/arch/powerpc/dawr-power9.rst
diff --git a/Documentation/powerpc/dexcr.rst b/Documentation/arch/powerpc/dexcr.rst
similarity index 100%
rename from Documentation/powerpc/dexcr.rst
rename to Documentation/arch/powerpc/dexcr.rst
diff --git a/Documentation/powerpc/dscr.rst b/Documentation/arch/powerpc/dscr.rst
similarity index 100%
rename from Documentation/powerpc/dscr.rst
rename to Documentation/arch/powerpc/dscr.rst
diff --git a/Documentation/powerpc/eeh-pci-error-recovery.rst b/Documentation/arch/powerpc/eeh-pci-error-recovery.rst
similarity index 100%
rename from Documentation/powerpc/eeh-pci-error-recovery.rst
rename to Documentation/arch/powerpc/eeh-pci-error-recovery.rst
diff --git a/Documentation/powerpc/elf_hwcaps.rst b/Documentation/arch/powerpc/elf_hwcaps.rst
similarity index 97%
rename from Documentation/powerpc/elf_hwcaps.rst
rename to Documentation/arch/powerpc/elf_hwcaps.rst
index 3366e5b18e67..4c896cf077c2 100644
--- a/Documentation/powerpc/elf_hwcaps.rst
+++ b/Documentation/arch/powerpc/elf_hwcaps.rst
@@ -202,7 +202,7 @@  PPC_FEATURE2_VEC_CRYPTO
 
 PPC_FEATURE2_HTM_NOSC
     System calls fail if called in a transactional state, see
-    Documentation/powerpc/syscall64-abi.rst
+    Documentation/arch/powerpc/syscall64-abi.rst
 
 PPC_FEATURE2_ARCH_3_00
     The processor supports the v3.0B / v3.0C userlevel architecture. Processors
@@ -217,11 +217,11 @@  PPC_FEATURE2_DARN
 
 PPC_FEATURE2_SCV
     The scv 0 instruction may be used for system calls, see
-    Documentation/powerpc/syscall64-abi.rst.
+    Documentation/arch/powerpc/syscall64-abi.rst.
 
 PPC_FEATURE2_HTM_NO_SUSPEND
     A limited Transactional Memory facility that does not support suspend is
-    available, see Documentation/powerpc/transactional_memory.rst.
+    available, see Documentation/arch/powerpc/transactional_memory.rst.
 
 PPC_FEATURE2_ARCH_3_1
     The processor supports the v3.1 userlevel architecture. Processors
diff --git a/Documentation/powerpc/elfnote.rst b/Documentation/arch/powerpc/elfnote.rst
similarity index 100%
rename from Documentation/powerpc/elfnote.rst
rename to Documentation/arch/powerpc/elfnote.rst
diff --git a/Documentation/powerpc/features.rst b/Documentation/arch/powerpc/features.rst
similarity index 100%
rename from Documentation/powerpc/features.rst
rename to Documentation/arch/powerpc/features.rst
diff --git a/Documentation/powerpc/firmware-assisted-dump.rst b/Documentation/arch/powerpc/firmware-assisted-dump.rst
similarity index 100%
rename from Documentation/powerpc/firmware-assisted-dump.rst
rename to Documentation/arch/powerpc/firmware-assisted-dump.rst
diff --git a/Documentation/powerpc/hvcs.rst b/Documentation/arch/powerpc/hvcs.rst
similarity index 100%
rename from Documentation/powerpc/hvcs.rst
rename to Documentation/arch/powerpc/hvcs.rst
diff --git a/Documentation/powerpc/imc.rst b/Documentation/arch/powerpc/imc.rst
similarity index 100%
rename from Documentation/powerpc/imc.rst
rename to Documentation/arch/powerpc/imc.rst
diff --git a/Documentation/powerpc/index.rst b/Documentation/arch/powerpc/index.rst
similarity index 100%
rename from Documentation/powerpc/index.rst
rename to Documentation/arch/powerpc/index.rst
diff --git a/Documentation/powerpc/isa-versions.rst b/Documentation/arch/powerpc/isa-versions.rst
similarity index 100%
rename from Documentation/powerpc/isa-versions.rst
rename to Documentation/arch/powerpc/isa-versions.rst
diff --git a/Documentation/powerpc/kasan.txt b/Documentation/arch/powerpc/kasan.txt
similarity index 100%
rename from Documentation/powerpc/kasan.txt
rename to Documentation/arch/powerpc/kasan.txt
diff --git a/Documentation/powerpc/kaslr-booke32.rst b/Documentation/arch/powerpc/kaslr-booke32.rst
similarity index 100%
rename from Documentation/powerpc/kaslr-booke32.rst
rename to Documentation/arch/powerpc/kaslr-booke32.rst
diff --git a/Documentation/powerpc/mpc52xx.rst b/Documentation/arch/powerpc/mpc52xx.rst
similarity index 100%
rename from Documentation/powerpc/mpc52xx.rst
rename to Documentation/arch/powerpc/mpc52xx.rst
diff --git a/Documentation/powerpc/papr_hcalls.rst b/Documentation/arch/powerpc/papr_hcalls.rst
similarity index 100%
rename from Documentation/powerpc/papr_hcalls.rst
rename to Documentation/arch/powerpc/papr_hcalls.rst
diff --git a/Documentation/powerpc/pci_iov_resource_on_powernv.rst b/Documentation/arch/powerpc/pci_iov_resource_on_powernv.rst
similarity index 100%
rename from Documentation/powerpc/pci_iov_resource_on_powernv.rst
rename to Documentation/arch/powerpc/pci_iov_resource_on_powernv.rst
diff --git a/Documentation/powerpc/pmu-ebb.rst b/Documentation/arch/powerpc/pmu-ebb.rst
similarity index 100%
rename from Documentation/powerpc/pmu-ebb.rst
rename to Documentation/arch/powerpc/pmu-ebb.rst
diff --git a/Documentation/powerpc/ptrace.rst b/Documentation/arch/powerpc/ptrace.rst
similarity index 100%
rename from Documentation/powerpc/ptrace.rst
rename to Documentation/arch/powerpc/ptrace.rst
diff --git a/Documentation/powerpc/qe_firmware.rst b/Documentation/arch/powerpc/qe_firmware.rst
similarity index 100%
rename from Documentation/powerpc/qe_firmware.rst
rename to Documentation/arch/powerpc/qe_firmware.rst
diff --git a/Documentation/powerpc/syscall64-abi.rst b/Documentation/arch/powerpc/syscall64-abi.rst
similarity index 100%
rename from Documentation/powerpc/syscall64-abi.rst
rename to Documentation/arch/powerpc/syscall64-abi.rst
diff --git a/Documentation/powerpc/transactional_memory.rst b/Documentation/arch/powerpc/transactional_memory.rst
similarity index 100%
rename from Documentation/powerpc/transactional_memory.rst
rename to Documentation/arch/powerpc/transactional_memory.rst
diff --git a/Documentation/powerpc/ultravisor.rst b/Documentation/arch/powerpc/ultravisor.rst
similarity index 100%
rename from Documentation/powerpc/ultravisor.rst
rename to Documentation/arch/powerpc/ultravisor.rst
diff --git a/Documentation/powerpc/vas-api.rst b/Documentation/arch/powerpc/vas-api.rst
similarity index 100%
rename from Documentation/powerpc/vas-api.rst
rename to Documentation/arch/powerpc/vas-api.rst
diff --git a/Documentation/powerpc/vcpudispatch_stats.rst b/Documentation/arch/powerpc/vcpudispatch_stats.rst
similarity index 100%
rename from Documentation/powerpc/vcpudispatch_stats.rst
rename to Documentation/arch/powerpc/vcpudispatch_stats.rst
diff --git a/Documentation/powerpc/vmemmap_dedup.rst b/Documentation/arch/powerpc/vmemmap_dedup.rst
similarity index 100%
rename from Documentation/powerpc/vmemmap_dedup.rst
rename to Documentation/arch/powerpc/vmemmap_dedup.rst
diff --git a/MAINTAINERS b/MAINTAINERS
index 37b9626ee654..5c770ddd2c73 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5597,7 +5597,7 @@  M:	Andrew Donnellan <ajd@linux.ibm.com>
 L:	linuxppc-dev@lists.ozlabs.org
 S:	Supported
 F:	Documentation/ABI/testing/sysfs-class-cxl
-F:	Documentation/powerpc/cxl.rst
+F:	Documentation/arch/powerpc/cxl.rst
 F:	arch/powerpc/platforms/powernv/pci-cxl.c
 F:	drivers/misc/cxl/
 F:	include/misc/cxl*
@@ -5609,7 +5609,7 @@  M:	Matthew R. Ochs <mrochs@linux.ibm.com>
 M:	Uma Krishnan <ukrishn@linux.ibm.com>
 L:	linux-scsi@vger.kernel.org
 S:	Supported
-F:	Documentation/powerpc/cxlflash.rst
+F:	Documentation/arch/powerpc/cxlflash.rst
 F:	drivers/scsi/cxlflash/
 F:	include/uapi/scsi/cxlflash_ioctl.h
 
@@ -12093,7 +12093,7 @@  F:	Documentation/ABI/stable/sysfs-firmware-opal-*
 F:	Documentation/devicetree/bindings/i2c/i2c-opal.txt
 F:	Documentation/devicetree/bindings/powerpc/
 F:	Documentation/devicetree/bindings/rtc/rtc-opal.txt
-F:	Documentation/powerpc/
+F:	Documentation/arch/powerpc/
 F:	arch/powerpc/
 F:	drivers/*/*/*pasemi*
 F:	drivers/*/*pasemi*
@@ -16487,7 +16487,7 @@  R:	Oliver O'Halloran <oohall@gmail.com>
 L:	linuxppc-dev@lists.ozlabs.org
 S:	Supported
 F:	Documentation/PCI/pci-error-recovery.rst
-F:	Documentation/powerpc/eeh-pci-error-recovery.rst
+F:	Documentation/arch/powerpc/eeh-pci-error-recovery.rst
 F:	arch/powerpc/include/*/eeh*.h
 F:	arch/powerpc/kernel/eeh*.c
 F:	arch/powerpc/platforms/*/eeh*.c
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index c33c8ebf8641..eaf2f167c342 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -893,7 +893,7 @@  __start_interrupts:
  *
  * Call convention:
  *
- * syscall register convention is in Documentation/powerpc/syscall64-abi.rst
+ * syscall register convention is in Documentation/arch/powerpc/syscall64-abi.rst
  */
 EXC_VIRT_BEGIN(system_call_vectored, 0x3000, 0x1000)
 	/* SCV 0 */
@@ -1952,8 +1952,8 @@  EXC_VIRT_NONE(0x4b00, 0x100)
  * Call convention:
  *
  * syscall and hypercalls register conventions are documented in
- * Documentation/powerpc/syscall64-abi.rst and
- * Documentation/powerpc/papr_hcalls.rst respectively.
+ * Documentation/arch/powerpc/syscall64-abi.rst and
+ * Documentation/arch/powerpc/papr_hcalls.rst respectively.
  *
  * The intersection of volatile registers that don't contain possible
  * inputs is: cr0, xer, ctr. We may use these as scratch regs upon entry
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index cda4e00b67c1..7502066c3c53 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -68,7 +68,7 @@  static void *__init alloc_shared_lppaca(unsigned long size, unsigned long limit,
 		memblock_set_bottom_up(true);
 
 		/*
-		 * See Documentation/powerpc/ultravisor.rst for more details.
+		 * See Documentation/arch/powerpc/ultravisor.rst for more details.
 		 *
 		 * UV/HV data sharing is in PAGE_SIZE granularity. In order to
 		 * minimize the number of pages shared, align the allocation to
diff --git a/arch/powerpc/kvm/book3s_64_entry.S b/arch/powerpc/kvm/book3s_64_entry.S
index 3b361af87313..a9ab92abffe8 100644
--- a/arch/powerpc/kvm/book3s_64_entry.S
+++ b/arch/powerpc/kvm/book3s_64_entry.S
@@ -19,7 +19,7 @@ 
 
 /*
  * This is a hcall, so register convention is as
- * Documentation/powerpc/papr_hcalls.rst.
+ * Documentation/arch/powerpc/papr_hcalls.rst.
  *
  * This may also be a syscall from PR-KVM userspace that is to be
  * reflected to the PR guest kernel, so registers may be set up for
diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c
index 3ee0c7c1e9a4..70b6eddb867b 100644
--- a/drivers/soc/fsl/qe/qe.c
+++ b/drivers/soc/fsl/qe/qe.c
@@ -430,7 +430,7 @@  static void qe_upload_microcode(const void *base,
 /*
  * Upload a microcode to the I-RAM at a specific address.
  *
- * See Documentation/powerpc/qe_firmware.rst for information on QE microcode
+ * See Documentation/arch/powerpc/qe_firmware.rst for information on QE microcode
  * uploading.
  *
  * Currently, only version 1 is supported, so the 'version' field must be
diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c
index d29fdfe9d93d..98433a53bae1 100644
--- a/drivers/tty/hvc/hvcs.c
+++ b/drivers/tty/hvc/hvcs.c
@@ -47,7 +47,7 @@ 
  * using the 2.6 Linux kernel kref construct.
  *
  * For direction on installation and usage of this driver please reference
- * Documentation/powerpc/hvcs.rst.
+ * Documentation/arch/powerpc/hvcs.rst.
  */
 
 #include <linux/device.h>
diff --git a/include/soc/fsl/qe/qe.h b/include/soc/fsl/qe/qe.h
index eb5079904cc8..af793f2a0ec4 100644
--- a/include/soc/fsl/qe/qe.h
+++ b/include/soc/fsl/qe/qe.h
@@ -258,7 +258,7 @@  static inline int qe_alive_during_sleep(void)
 
 /* Structure that defines QE firmware binary files.
  *
- * See Documentation/powerpc/qe_firmware.rst for a description of these
+ * See Documentation/arch/powerpc/qe_firmware.rst for a description of these
  * fields.
  */
 struct qe_firmware {