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Date: Sat, 15 Jun 2024 10:06:18 -0700
From: Jeff Johnson <quic_jjohnson@...cinc.com>
To: Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin
<npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
"Naveen
N. Rao" <naveen.n.rao@...ux.ibm.com>,
Scott Wood <oss@...error.net>, "Arnd
Bergmann" <arnd@...db.de>,
Jeremy Kerr <jk@...abs.org>
CC: <linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
<kernel-janitors@...r.kernel.org>,
Jeff Johnson <quic_jjohnson@...cinc.com>
Subject: [PATCH] powerpc: add missing MODULE_DESCRIPTION() macros
With ARCH=powerpc, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/kernel/rtas_flash.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/sysdev/rtc_cmos_setup.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/platforms/pseries/papr_scm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/platforms/cell/spufs/spufs.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/platforms/cell/cbe_thermal.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/platforms/cell/cpufreq_spudemand.o
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/powerpc/platforms/cell/cbe_powerbutton.o
Add the missing invocation of the MODULE_DESCRIPTION() macro to all
files which have a MODULE_LICENSE().
This includes 85xx/t1042rdb_diu.c and chrp/nvram.c which, although
they did not produce a warning with the powerpc allmodconfig
configuration, may cause this warning with other configurations.
Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>
---
Corrections to these descriptions are welcomed. I'm not an expert in
this code so in most cases I've taken these descriptions directly from
code comments, Kconfig descriptions, or git logs. History has shown
that in some cases these are originally wrong due to cut-n-paste
errors, and in other cases the drivers have evolved such that the
original information is no longer accurate.
---
arch/powerpc/kernel/rtas_flash.c | 1 +
arch/powerpc/platforms/85xx/t1042rdb_diu.c | 1 +
arch/powerpc/platforms/cell/cbe_powerbutton.c | 1 +
arch/powerpc/platforms/cell/cbe_thermal.c | 1 +
arch/powerpc/platforms/cell/cpufreq_spudemand.c | 1 +
arch/powerpc/platforms/cell/spufs/inode.c | 1 +
arch/powerpc/platforms/chrp/nvram.c | 1 +
arch/powerpc/platforms/pseries/papr_scm.c | 1 +
arch/powerpc/sysdev/rtc_cmos_setup.c | 1 +
9 files changed, 9 insertions(+)
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 359577ec1680..5407024881e5 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -773,4 +773,5 @@ static void __exit rtas_flash_cleanup(void)
module_init(rtas_flash_init);
module_exit(rtas_flash_cleanup);
+MODULE_DESCRIPTION("PPC procfs firmware flash interface");
MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/85xx/t1042rdb_diu.c b/arch/powerpc/platforms/85xx/t1042rdb_diu.c
index 767eed98a0a8..d4fbb6eff38a 100644
--- a/arch/powerpc/platforms/85xx/t1042rdb_diu.c
+++ b/arch/powerpc/platforms/85xx/t1042rdb_diu.c
@@ -149,4 +149,5 @@ static int __init t1042rdb_diu_init(void)
early_initcall(t1042rdb_diu_init);
+MODULE_DESCRIPTION("Freescale T1042 DIU driver");
MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/cell/cbe_powerbutton.c b/arch/powerpc/platforms/cell/cbe_powerbutton.c
index a3ee397486f6..3d121acdf69b 100644
--- a/arch/powerpc/platforms/cell/cbe_powerbutton.c
+++ b/arch/powerpc/platforms/cell/cbe_powerbutton.c
@@ -101,5 +101,6 @@ static void __exit cbe_powerbutton_exit(void)
module_init(cbe_powerbutton_init);
module_exit(cbe_powerbutton_exit);
+MODULE_DESCRIPTION("Driver for powerbutton on IBM cell blades");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Christian Krafft <krafft@...ibm.com>");
diff --git a/arch/powerpc/platforms/cell/cbe_thermal.c b/arch/powerpc/platforms/cell/cbe_thermal.c
index 2f45428e32c8..c295c6714f9b 100644
--- a/arch/powerpc/platforms/cell/cbe_thermal.c
+++ b/arch/powerpc/platforms/cell/cbe_thermal.c
@@ -381,6 +381,7 @@ static void __exit thermal_exit(void)
}
module_exit(thermal_exit);
+MODULE_DESCRIPTION("Cell processor thermal driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Christian Krafft <krafft@...ibm.com>");
diff --git a/arch/powerpc/platforms/cell/cpufreq_spudemand.c b/arch/powerpc/platforms/cell/cpufreq_spudemand.c
index ca7849e113d7..79172ba36eca 100644
--- a/arch/powerpc/platforms/cell/cpufreq_spudemand.c
+++ b/arch/powerpc/platforms/cell/cpufreq_spudemand.c
@@ -129,5 +129,6 @@ static struct cpufreq_governor spu_governor = {
cpufreq_governor_init(spu_governor);
cpufreq_governor_exit(spu_governor);
+MODULE_DESCRIPTION("SPU-aware cpufreq governor for the cell processor");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Christian Krafft <krafft@...ibm.com>");
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 030de2b8c145..70236d1df3d3 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -822,6 +822,7 @@ static void __exit spufs_exit(void)
}
module_exit(spufs_exit);
+MODULE_DESCRIPTION("SPU file system");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Arnd Bergmann <arndb@...ibm.com>");
diff --git a/arch/powerpc/platforms/chrp/nvram.c b/arch/powerpc/platforms/chrp/nvram.c
index 0eedae96498c..d3bf56a46656 100644
--- a/arch/powerpc/platforms/chrp/nvram.c
+++ b/arch/powerpc/platforms/chrp/nvram.c
@@ -92,4 +92,5 @@ void __init chrp_nvram_init(void)
return;
}
+MODULE_DESCRIPTION("PPC NVRAM device driver");
MODULE_LICENSE("GPL v2");
diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 9b6420eb3567..f6a70bc92e83 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -1536,5 +1536,6 @@ static void __exit papr_scm_exit(void)
module_exit(papr_scm_exit);
MODULE_DEVICE_TABLE(of, papr_scm_match);
+MODULE_DESCRIPTION("PAPR Storage Class Memory interface driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("IBM Corporation");
diff --git a/arch/powerpc/sysdev/rtc_cmos_setup.c b/arch/powerpc/sysdev/rtc_cmos_setup.c
index 47cc87bd6a33..9a232ae5e360 100644
--- a/arch/powerpc/sysdev/rtc_cmos_setup.c
+++ b/arch/powerpc/sysdev/rtc_cmos_setup.c
@@ -66,4 +66,5 @@ static int __init add_rtc(void)
}
fs_initcall(add_rtc);
+MODULE_DESCRIPTION("PPC RTC CMOS driver");
MODULE_LICENSE("GPL");
---
base-commit: 83a7eefedc9b56fe7bfeff13b6c7356688ffa670
change-id: 20240615-md-powerpc-arch-powerpc-c8b981be95f8
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