git: aa794b82ef88 - stable/13 - arm, arm64, riscv: adjust top-level nexus comment

The branch stable/13 has been updated by mhorne:

URL: https://cgit.FreeBSD.org/src/commit/?id=aa794b82ef88001cbb2f335fda126935c231511f

commit aa794b82ef88001cbb2f335fda126935c231511f
Author:     Mitchell Horne <mhorne@FreeBSD.org>
AuthorDate: 2021-10-07 18:02:02 +0000
Commit:     Mitchell Horne <mhorne@FreeBSD.org>
CommitDate: 2021-10-15 15:22:14 +0000

    arm, arm64, riscv: adjust top-level nexus comment
    
    These platforms don't manage resources for DMA request lines or I/O
    ports, this is specific to x86. Remove the references from the comments.
    
    Reviewed by:    imp, jhb
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D32358
    
    (cherry picked from commit 17f790f49f5879ae9888b99fdbf857010ec13f9c)
---
 sys/arm/arm/nexus.c     | 4 +---
 sys/arm64/arm64/nexus.c | 4 +---
 sys/riscv/riscv/nexus.c | 4 +---
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/sys/arm/arm/nexus.c b/sys/arm/arm/nexus.c
index f9e9fec7ad25..be84ab82d43f 100644
--- a/sys/arm/arm/nexus.c
+++ b/sys/arm/arm/nexus.c
@@ -34,9 +34,7 @@
  * attachment point for both processors and buses, and to manage
  * resources which are common to all of them.  In particular,
  * this code implements the core resource managers for interrupt
- * requests, DMA requests (which rightfully should be a part of the
- * ISA code but it's easier to do it here for now), I/O port addresses,
- * and I/O memory address space.
+ * requests and I/O memory address space.
  */
 
 #include "opt_platform.h"
diff --git a/sys/arm64/arm64/nexus.c b/sys/arm64/arm64/nexus.c
index cc28d87f002b..0775cc820a8c 100644
--- a/sys/arm64/arm64/nexus.c
+++ b/sys/arm64/arm64/nexus.c
@@ -34,9 +34,7 @@
  * attachment point for both processors and buses, and to manage
  * resources which are common to all of them.  In particular,
  * this code implements the core resource managers for interrupt
- * requests, DMA requests (which rightfully should be a part of the
- * ISA code but it's easier to do it here for now), I/O port addresses,
- * and I/O memory address space.
+ * requests and I/O memory address space.
  */
 
 #include "opt_acpi.h"
diff --git a/sys/riscv/riscv/nexus.c b/sys/riscv/riscv/nexus.c
index b56cf29aa3ee..16fe971b6521 100644
--- a/sys/riscv/riscv/nexus.c
+++ b/sys/riscv/riscv/nexus.c
@@ -34,9 +34,7 @@
  * attachment point for both processors and buses, and to manage
  * resources which are common to all of them.  In particular,
  * this code implements the core resource managers for interrupt
- * requests, DMA requests (which rightfully should be a part of the
- * ISA code but it's easier to do it here for now), I/O port addresses,
- * and I/O memory address space.
+ * requests and I/O memory address space.
  */
 #include "opt_platform.h"