[PATCH 6/8] sparc: mv sparc sysctls into their own file under arch/sparc/kernel

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Move sparc sysctls (reboot-cmd, stop-a, scons-poweroff and tsb-ratio)
into a new file (arch/sparc/kernel/setup.c). This file will be included
for both 32 and 64 bit sparc. Leave "tsb-ratio" under SPARC64 ifdef as
it was in kernel/sysctl.c. The sysctl table register is called with
arch_initcall placing it after its original place in proc_root_init.

This is part of a greater effort to move ctl tables into their
respective subsystems which will reduce the merge conflicts in
kerenel/sysctl.c.

Signed-off-by: Joel Granados <joel.granados@xxxxxxxxxx>
---
 arch/sparc/kernel/Makefile |  1 +
 arch/sparc/kernel/setup.c  | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 kernel/sysctl.c            | 35 -----------------------------------
 3 files changed, 47 insertions(+), 35 deletions(-)

diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 58ea4ef9b622..3453f330e363 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -35,6 +35,7 @@ obj-y                   += process.o
 obj-y                   += signal_$(BITS).o
 obj-y                   += sigutil_$(BITS).o
 obj-$(CONFIG_SPARC32)   += ioport.o
+obj-y                   += setup.o
 obj-y                   += setup_$(BITS).o
 obj-y                   += idprom.o
 obj-y                   += sys_sparc_$(BITS).o
diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
new file mode 100644
index 000000000000..4975867d9001
--- /dev/null
+++ b/arch/sparc/kernel/setup.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <asm/setup.h>
+#include <linux/sysctl.h>
+
+static const struct ctl_table sparc_sysctl_table[] = {
+	{
+		.procname	= "reboot-cmd",
+		.data		= reboot_command,
+		.maxlen		= 256,
+		.mode		= 0644,
+		.proc_handler	= proc_dostring,
+	},
+	{
+		.procname	= "stop-a",
+		.data		= &stop_a_enabled,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
+		.procname	= "scons-poweroff",
+		.data		= &scons_pwroff,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+#ifdef CONFIG_SPARC64
+	{
+		.procname	= "tsb-ratio",
+		.data		= &sysctl_tsb_ratio,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+#endif
+};
+
+
+static int __init init_sparc_sysctls(void)
+{
+	register_sysctl_init("kernel", sparc_sysctl_table);
+	return 0;
+}
+
+arch_initcall(init_sparc_sysctls);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index fdc92d80e841..b63d53e592d8 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -69,9 +69,6 @@
 #include <asm/nmi.h>
 #include <asm/io.h>
 #endif
-#ifdef CONFIG_SPARC
-#include <asm/setup.h>
-#endif
 #ifdef CONFIG_RT_MUTEXES
 #include <linux/rtmutex.h>
 #endif
@@ -1616,38 +1613,6 @@ static const struct ctl_table kern_table[] = {
 		.extra2		= SYSCTL_ONE,
 	},
 #endif
-#ifdef CONFIG_SPARC
-	{
-		.procname	= "reboot-cmd",
-		.data		= reboot_command,
-		.maxlen		= 256,
-		.mode		= 0644,
-		.proc_handler	= proc_dostring,
-	},
-	{
-		.procname	= "stop-a",
-		.data		= &stop_a_enabled,
-		.maxlen		= sizeof (int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-	{
-		.procname	= "scons-poweroff",
-		.data		= &scons_pwroff,
-		.maxlen		= sizeof (int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-#endif
-#ifdef CONFIG_SPARC64
-	{
-		.procname	= "tsb-ratio",
-		.data		= &sysctl_tsb_ratio,
-		.maxlen		= sizeof (int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-#endif
 #ifdef CONFIG_PARISC
 	{
 		.procname	= "soft-power",

-- 
2.44.2






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