Merge tag 'docs/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media

Pull rst conversion of docs from Mauro Carvalho Chehab:
 "As agreed with Jon, I'm sending this big series directly to you, c/c
  him, as this series required a special care, in order to avoid
  conflicts with other trees"

* tag 'docs/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (77 commits)
  docs: kbuild: fix build with pdf and fix some minor issues
  docs: block: fix pdf output
  docs: arm: fix a breakage with pdf output
  docs: don't use nested tables
  docs: gpio: add sysfs interface to the admin-guide
  docs: locking: add it to the main index
  docs: add some directories to the main documentation index
  docs: add SPDX tags to new index files
  docs: add a memory-devices subdir to driver-api
  docs: phy: place documentation under driver-api
  docs: serial: move it to the driver-api
  docs: driver-api: add remaining converted dirs to it
  docs: driver-api: add xilinx driver API documentation
  docs: driver-api: add a series of orphaned documents
  docs: admin-guide: add a series of orphaned documents
  docs: cgroup-v1: add it to the admin-guide book
  docs: aoe: add it to the driver-api book
  docs: add some documentation dirs to the driver-api book
  docs: driver-model: move it to the driver-api book
  docs: lp855x-driver.rst: add it to the driver-api book
  ...

25 files changed, 41 insertions, 41 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2bf1ce39a96d..600c5ba1af41 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1297,7 +1297,7 @@ config SMP
 	  will run faster if you say N here.
 
 	  See also <file:Documentation/x86/i386/IO-APIC.rst>,
-	  <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at
+	  <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at
 	  <http://tldp.org/HOWTO/SMP-HOWTO.html>.
 
 	  If you don't know what to do here, say N.
@@ -2036,7 +2036,7 @@ config CRASH_DUMP
 	  kdump/kexec. The crash dump kernel must be compiled to a
 	  memory address not used by the main kernel
 
-	  For more details see Documentation/kdump/kdump.rst
+	  For more details see Documentation/admin-guide/kdump/kdump.rst
 
 config AUTO_ZRELADDR
 	bool "Auto calculation of the decompressed kernel image address"
@@ -2142,7 +2142,7 @@ config VFP
 	  Say Y to include VFP support code in the kernel. This is needed
 	  if your hardware includes a VFP unit.
 
-	  Please see <file:Documentation/arm/VFP/release-notes.txt> for
+	  Please see <file:Documentation/arm/vfp/release-notes.rst> for
 	  release notes and additional status information.
 
 	  Say N if your target does not have VFP hardware.
diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c
index e24ad60891b2..8a9aeeb504dd 100644
--- a/arch/arm/common/mcpm_entry.c
+++ b/arch/arm/common/mcpm_entry.c
@@ -21,7 +21,7 @@
 /*
  * The public API for this code is documented in arch/arm/include/asm/mcpm.h.
  * For a comprehensive description of the main algorithm used here, please
- * see Documentation/arm/cluster-pm-race-avoidance.txt.
+ * see Documentation/arm/cluster-pm-race-avoidance.rst.
  */
 
 struct sync_struct mcpm_sync;
diff --git a/arch/arm/common/mcpm_head.S b/arch/arm/common/mcpm_head.S
index d5bd75dd576d..291d969bc719 100644
--- a/arch/arm/common/mcpm_head.S
+++ b/arch/arm/common/mcpm_head.S
@@ -5,7 +5,7 @@
  * Created by:  Nicolas Pitre, March 2012
  * Copyright:   (C) 2012-2013  Linaro Limited
  *
- * Refer to Documentation/arm/cluster-pm-race-avoidance.txt
+ * Refer to Documentation/arm/cluster-pm-race-avoidance.rst
  * for details of the synchronisation algorithms used here.
  */
 
diff --git a/arch/arm/common/vlock.S b/arch/arm/common/vlock.S
index 9675cc15d0c4..f1c7fd44f1b1 100644
--- a/arch/arm/common/vlock.S
+++ b/arch/arm/common/vlock.S
@@ -6,7 +6,7 @@
  * Copyright:	(C) 2012-2013  Linaro Limited
  *
  * This algorithm is described in more detail in
- * Documentation/arm/vlocks.txt.
+ * Documentation/arm/vlocks.rst.
  */
 
 #include <linux/linkage.h>
diff --git a/arch/arm/include/asm/setup.h b/arch/arm/include/asm/setup.h
index 77e5582c2259..67d20712cb48 100644
--- a/arch/arm/include/asm/setup.h
+++ b/arch/arm/include/asm/setup.h
@@ -5,7 +5,7 @@
  *  Copyright (C) 1997-1999 Russell King
  *
  *  Structure passed to kernel to tell it about the
- *  hardware it's running on.  See Documentation/arm/Setup
+ *  hardware it's running on.  See Documentation/arm/setup.rst
  *  for more info.
  */
 #ifndef __ASMARM_SETUP_H
diff --git a/arch/arm/include/uapi/asm/setup.h b/arch/arm/include/uapi/asm/setup.h
index 6b335a9ff8c8..25ceda63b284 100644
--- a/arch/arm/include/uapi/asm/setup.h
+++ b/arch/arm/include/uapi/asm/setup.h
@@ -9,7 +9,7 @@
  * published by the Free Software Foundation.
  *
  *  Structure passed to kernel to tell it about the
- *  hardware it's running on.  See Documentation/arm/Setup
+ *  hardware it's running on.  See Documentation/arm/setup.rst
  *  for more info.
  */
 #ifndef _UAPI__ASMARM_SETUP_H
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 0b8cfdd60b90..858d4e541532 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -826,7 +826,7 @@ ENDPROC(__switch_to)
  * existing ones.  This mechanism should be used only for things that are
  * really small and justified, and not be abused freely.
  *
- * See Documentation/arm/kernel_user_helpers.txt for formal definitions.
+ * See Documentation/arm/kernel_user_helpers.rst for formal definitions.
  */
  THUMB(	.arm	)
 
diff --git a/arch/arm/mach-exynos/common.h b/arch/arm/mach-exynos/common.h
index c93356a8d662..56411bb63d45 100644
--- a/arch/arm/mach-exynos/common.h
+++ b/arch/arm/mach-exynos/common.h
@@ -106,7 +106,7 @@ void exynos_firmware_init(void);
 #define C2_STATE	(1 << 3)
 /*
  * Magic values for bootloader indicating chosen low power mode.
- * See also Documentation/arm/Samsung/Bootloader-interface.txt
+ * See also Documentation/arm/samsung/bootloader-interface.rst
  */
 #define EXYNOS_SLEEP_MAGIC	0x00000bad
 #define EXYNOS_AFTR_MAGIC	0xfcba0d10
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index fc5378b00f3d..f7211b57b1e7 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -33,7 +33,7 @@ config MACH_AVILA
 	help
 	  Say 'Y' here if you want your kernel to support the Gateworks
 	  Avila Network Platform. For more information on this platform,
-	  see <file:Documentation/arm/IXP4xx>.
+	  see <file:Documentation/arm/ixp4xx.rst>.
 
 config MACH_LOFT
     bool "Loft"
@@ -49,7 +49,7 @@ config ARCH_ADI_COYOTE
 	help
 	  Say 'Y' here if you want your kernel to support the ADI 
 	  Engineering Coyote Gateway Reference Platform. For more
-	  information on this platform, see <file:Documentation/arm/IXP4xx>.
+	  information on this platform, see <file:Documentation/arm/ixp4xx.rst>.
 
 config MACH_GATEWAY7001
 	bool "Gateway 7001"
@@ -72,21 +72,21 @@ config ARCH_IXDP425
 	help
 	  Say 'Y' here if you want your kernel to support Intel's 
 	  IXDP425 Development Platform (Also known as Richfield).  
-	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
+	  For more information on this platform, see <file:Documentation/arm/ixp4xx.rst>.
 
 config MACH_IXDPG425
 	bool "IXDPG425"
 	help
 	  Say 'Y' here if you want your kernel to support Intel's
 	  IXDPG425 Development Platform (Also known as Montajade).
-	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
+	  For more information on this platform, see <file:Documentation/arm/ixp4xx.rst>.
 
 config MACH_IXDP465
 	bool "IXDP465"
 	help
 	  Say 'Y' here if you want your kernel to support Intel's
 	  IXDP465 Development Platform (Also known as BMP).
-	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
+	  For more information on this platform, see <file:Documentation/arm/ixp4xx.rst>.
 
 config MACH_GORAMO_MLR
 	bool "GORAMO Multi Link Router"
@@ -99,7 +99,7 @@ config MACH_KIXRP435
 	help
 	  Say 'Y' here if you want your kernel to support Intel's
 	  KIXRP435 Reference Platform.
-	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
+	  For more information on this platform, see <file:Documentation/arm/ixp4xx.rst>.
 
 #
 # IXCDP1100 is the exact same HW as IXDP425, but with a different machine 
@@ -116,7 +116,7 @@ config ARCH_PRPMC1100
 	help
 	  Say 'Y' here if you want your kernel to support the Motorola
 	  PrPCM1100 Processor Mezanine Module. For more information on
-	  this platform, see <file:Documentation/arm/IXP4xx>.
+	  this platform, see <file:Documentation/arm/ixp4xx.rst>.
 
 config MACH_NAS100D
 	bool
diff --git a/arch/arm/mach-s3c24xx/pm.c b/arch/arm/mach-s3c24xx/pm.c
index adcb90645460..c64988c609ad 100644
--- a/arch/arm/mach-s3c24xx/pm.c
+++ b/arch/arm/mach-s3c24xx/pm.c
@@ -5,7 +5,7 @@
 //
 // S3C24XX Power Manager (Suspend-To-RAM) support
 //
-// See Documentation/arm/Samsung-S3C24XX/Suspend.txt for more information
+// See Documentation/arm/samsung-s3c24xx/suspend.rst for more information
 //
 // Parts based on arch/arm/mach-pxa/pm.c
 //
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index cc798115aa9b..820b60a50125 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -709,7 +709,7 @@ config ARM_VIRT_EXT
 	  assistance.
 
 	  A compliant bootloader is required in order to make maximum
-	  use of this feature.  Refer to Documentation/arm/Booting for
+	  use of this feature.  Refer to Documentation/arm/booting.rst for
 	  details.
 
 config SWP_EMULATE
@@ -875,7 +875,7 @@ config KUSER_HELPERS
 	  the CPU type fitted to the system.  This permits binaries to be
 	  run on ARMv4 through to ARMv7 without modification.
 
-	  See Documentation/arm/kernel_user_helpers.txt for details.
+	  See Documentation/arm/kernel_user_helpers.rst for details.
 
 	  However, the fixed address nature of these helpers can be used
 	  by ROP (return orientated programming) authors when creating
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 53da57fba39c..301e572651c0 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -243,7 +243,7 @@ config SAMSUNG_PM_DEBUG
 	depends on DEBUG_EXYNOS_UART || DEBUG_S3C24XX_UART || DEBUG_S3C2410_UART
 	help
 	  Say Y here if you want verbose debugging from the PM Suspend and
-	  Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+	  Resume code. See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
 	  for more information.
 
 config S3C_PM_DEBUG_LED_SMDK
@@ -268,7 +268,7 @@ config SAMSUNG_PM_CHECK
 	  Note, this can take several seconds depending on memory size
 	  and CPU speed.
 
-	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+	  See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
 
 config SAMSUNG_PM_CHECK_CHUNKSIZE
 	int "S3C2410 PM Suspend CRC Chunksize (KiB)"
@@ -280,7 +280,7 @@ config SAMSUNG_PM_CHECK_CHUNKSIZE
 	  the CRC data block will take more memory, but will identify any
 	  faults with better precision.
 
-	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+	  See <file:Documentation/arm/samsung-s3c24xx/suspend.rst>
 
 config SAMSUNG_WAKEMASK
 	bool
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 4eac94c1eb6f..9e74c7ff6b04 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -7,7 +7,7 @@
 #   http://www.arm.linux.org.uk/developer/machines/download.php
 #
 # Please do not send patches to this file; it is automatically generated!
-# To add an entry into this database, please see Documentation/arm/README,
+# To add an entry into this database, please see Documentation/arm/arm.rst,
 # or visit:
 #
 #   http://www.arm.linux.org.uk/developer/machines/?action=new
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index a36ff61321ce..86f81b5afd95 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -996,7 +996,7 @@ config CRASH_DUMP
 	  reserved region and then later executed after a crash by
 	  kdump/kexec.
 
-	  For more details see Documentation/kdump/kdump.rst
+	  For more details see Documentation/admin-guide/kdump/kdump.rst
 
 config XEN_DOM0
 	def_bool y
@@ -1142,7 +1142,7 @@ config KUSER_HELPERS
 	  the system. This permits binaries to be run on ARMv4 through
 	  to ARMv8 without modification.
 
-	  See Documentation/arm/kernel_user_helpers.txt for details.
+	  See Documentation/arm/kernel_user_helpers.rst for details.
 
 	  However, the fixed address nature of these helpers can be used
 	  by ROP (return orientated programming) authors when creating
diff --git a/arch/arm64/kernel/kuser32.S b/arch/arm64/kernel/kuser32.S
index 49825e9e421e..42bd8c0c60e0 100644
--- a/arch/arm64/kernel/kuser32.S
+++ b/arch/arm64/kernel/kuser32.S
@@ -10,7 +10,7 @@
  * aarch32_setup_additional_pages() and are provided for compatibility
  * reasons with 32 bit (aarch32) applications that need them.
  *
- * See Documentation/arm/kernel_user_helpers.txt for formal definitions.
+ * See Documentation/arm/kernel_user_helpers.rst for formal definitions.
  */
 
 #include <asm/unistd.h>
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 8f106638913c..3795d18276c4 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -852,7 +852,7 @@ valid_phys_addr_range (phys_addr_t phys_addr, unsigned long size)
 	 * /dev/mem reads and writes use copy_to_user(), which implicitly
 	 * uses a granule-sized kernel identity mapping.  It's really
 	 * only safe to do this for regions in kern_memmap.  For more
-	 * details, see Documentation/ia64/aliasing.txt.
+	 * details, see Documentation/ia64/aliasing.rst.
 	 */
 	attr = kern_mem_attribute(phys_addr, size);
 	if (attr & EFI_MEMORY_WB || attr & EFI_MEMORY_UC)
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index d80c99a5f55d..0750a716adc7 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -28,7 +28,7 @@
 #include <asm/native/inst.h>
 
 /*
- * See Documentation/ia64/fsys.txt for details on fsyscalls.
+ * See Documentation/ia64/fsys.rst for details on fsyscalls.
  *
  * On entry to an fsyscall handler:
  *   r10	= 0 (i.e., defaults to "successful syscall return")
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
index 5e3e7b1fdac5..0c0de2c4ec69 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -42,7 +42,7 @@ ioremap (unsigned long phys_addr, unsigned long size)
 	/*
 	 * For things in kern_memmap, we must use the same attribute
 	 * as the rest of the kernel.  For more details, see
-	 * Documentation/ia64/aliasing.txt.
+	 * Documentation/ia64/aliasing.rst.
 	 */
 	attr = kern_mem_attribute(phys_addr, size);
 	if (attr & EFI_MEMORY_WB)
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index e308196c2229..165e561dc81a 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -450,7 +450,7 @@ pci_mmap_legacy_page_range(struct pci_bus *bus, struct vm_area_struct *vma,
 		return -ENOSYS;
 
 	/*
-	 * Avoid attribute aliasing.  See Documentation/ia64/aliasing.txt
+	 * Avoid attribute aliasing.  See Documentation/ia64/aliasing.rst
 	 * for more details.
 	 */
 	if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size))
diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 1738a06396f9..2f81a94c71a6 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -162,7 +162,7 @@ void __init plat_mem_setup(void)
 	ioport_resource.start = 0;
 	ioport_resource.end = ~0;
 
-	/* intended to somewhat resemble ARM; see Documentation/arm/Booting */
+	/* intended to somewhat resemble ARM; see Documentation/arm/booting.rst */
 	if (fw_arg0 == 0 && fw_arg1 == 0xffffffff)
 		dtb = phys_to_virt(fw_arg2);
 	else if (fw_passed_dtb) /* UHI interface or appended dtb */
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 42875ff15671..6d732e451071 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -277,7 +277,7 @@ config SMP
 	  machines, but will use only one CPU of a multiprocessor machine.
 	  On a uniprocessor machine, the kernel will run faster if you say N.
 
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
 	  available at <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 31a7d12db705..6b1b5941b618 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -626,7 +626,7 @@ config CRASH_DUMP
 	  to a memory address not used by the main kernel using
 	  PHYSICAL_START.
 
-	  For more details see Documentation/kdump/kdump.rst
+	  For more details see Documentation/admin-guide/kdump/kdump.rst
 
 config KEXEC_JUMP
 	bool "kexec jump (EXPERIMENTAL)"
@@ -679,7 +679,7 @@ config SMP
 	  People using multiprocessor machines who say Y here should also say
 	  Y to "Enhanced Real Time Clock Support", below.
 
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
 	  available at <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index e9f5d62e9817..7926a2e11bdc 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -180,7 +180,7 @@ config SMP
 	  Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
 	  Management" code will be disabled if you say Y here.
 
-	  See also <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO
+	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
 	  available at <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 879741336771..57d3b5d96bd2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -402,7 +402,7 @@ config SMP
 	  Management" code will be disabled if you say Y here.
 
 	  See also <file:Documentation/x86/i386/IO-APIC.rst>,
-	  <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at
+	  <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at
 	  <http://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.
@@ -1959,7 +1959,7 @@ config EFI_STUB
           This kernel feature allows a bzImage to be loaded directly
 	  by EFI firmware without the use of a bootloader.
 
-	  See Documentation/efi-stub.txt for more information.
+	  See Documentation/admin-guide/efi-stub.rst for more information.
 
 config EFI_MIXED
 	bool "EFI mixed-mode support"
@@ -2057,7 +2057,7 @@ config CRASH_DUMP
 	  to a memory address not used by the main kernel or BIOS using
 	  PHYSICAL_START, or it must be built as a relocatable image
 	  (CONFIG_RELOCATABLE=y).
-	  For more details see Documentation/kdump/kdump.rst
+	  For more details see Documentation/admin-guide/kdump/kdump.rst
 
 config KEXEC_JUMP
 	bool "kexec jump"
@@ -2094,7 +2094,7 @@ config PHYSICAL_START
 	  the reserved region.  In other words, it can be set based on
 	  the "X" value as specified in the "crashkernel=YM@XM"
 	  command line boot parameter passed to the panic-ed
-	  kernel. Please take a look at Documentation/kdump/kdump.rst
+	  kernel. Please take a look at Documentation/admin-guide/kdump/kdump.rst
 	  for more details about crash dumps.
 
 	  Usage of bzImage for capturing the crash dump is recommended as
diff --git a/arch/xtensa/include/asm/initialize_mmu.h b/arch/xtensa/include/asm/initialize_mmu.h
index 323d05789159..3b054d2bede0 100644
--- a/arch/xtensa/include/asm/initialize_mmu.h
+++ b/arch/xtensa/include/asm/initialize_mmu.h
@@ -42,7 +42,7 @@
 #if XCHAL_HAVE_S32C1I && (XCHAL_HW_MIN_VERSION >= XTENSA_HWVERSION_RC_2009_0)
 /*
  * We Have Atomic Operation Control (ATOMCTL) Register; Initialize it.
- * For details see Documentation/xtensa/atomctl.txt
+ * For details see Documentation/xtensa/atomctl.rst
  */
 #if XCHAL_DCACHE_IS_COHERENT
 	movi	a3, 0x25	/* For SMP/MX -- internal for writeback,