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* [PATCH] perf: add missing MODULE_DESCRIPTION() macros
@ 2024-06-11 18:31 Jeff Johnson
  2024-06-18 14:33 ` Yicong Yang
  2024-06-18 17:06 ` Jonathan Cameron
  0 siblings, 2 replies; 4+ messages in thread
From: Jeff Johnson @ 2024-06-11 18:31 UTC (permalink / raw)
  To: Will Deacon, Mark Rutland, Jonathan Cameron, Frank Li, Shawn Guo,
	Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Yicong Yang
  Cc: linux-arm-kernel, linux-kernel, linux-cxl, imx, kernel-janitors,
	Jeff Johnson

With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm-ccn.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/fsl_imx8_ddr_perf.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/marvell_cn10k_ddr_pmu.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm_cspmu/arm_cspmu_module.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm_cspmu/nvidia_cspmu.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/arm_cspmu/ampere_cspmu.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/perf/cxl_pmu.o

Add the missing invocation of the MODULE_DESCRIPTION() macro to all
files which have a MODULE_LICENSE().

This includes drivers/perf/hisilicon/hisi_uncore_pmu.c which, although
it did not produce a warning with the x86 allmodconfig configuration,
may cause this warning with arm64 configurations.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
---
 drivers/perf/arm-ccn.c                   | 1 +
 drivers/perf/arm_cspmu/ampere_cspmu.c    | 1 +
 drivers/perf/arm_cspmu/arm_cspmu.c       | 1 +
 drivers/perf/arm_cspmu/nvidia_cspmu.c    | 1 +
 drivers/perf/cxl_pmu.c                   | 1 +
 drivers/perf/fsl_imx8_ddr_perf.c         | 1 +
 drivers/perf/hisilicon/hisi_uncore_pmu.c | 1 +
 drivers/perf/marvell_cn10k_ddr_pmu.c     | 1 +
 8 files changed, 8 insertions(+)

diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c
index 86ef31ac7503..65f4882531db 100644
--- a/drivers/perf/arm-ccn.c
+++ b/drivers/perf/arm-ccn.c
@@ -1561,4 +1561,5 @@ module_init(arm_ccn_init);
 module_exit(arm_ccn_exit);
 
 MODULE_AUTHOR("Pawel Moll <pawel.moll@arm.com>");
+MODULE_DESCRIPTION("ARM CCN (Cache Coherent Network) driver support");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/perf/arm_cspmu/ampere_cspmu.c b/drivers/perf/arm_cspmu/ampere_cspmu.c
index f146a455e838..426b3cfcb52e 100644
--- a/drivers/perf/arm_cspmu/ampere_cspmu.c
+++ b/drivers/perf/arm_cspmu/ampere_cspmu.c
@@ -269,4 +269,5 @@ static void __exit ampere_cspmu_exit(void)
 module_init(ampere_cspmu_init);
 module_exit(ampere_cspmu_exit);
 
+MODULE_DESCRIPTION("Ampere SoC PMU (Performance Monitor Unit) driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/perf/arm_cspmu/arm_cspmu.c b/drivers/perf/arm_cspmu/arm_cspmu.c
index c318dc909767..c21c564840d6 100644
--- a/drivers/perf/arm_cspmu/arm_cspmu.c
+++ b/drivers/perf/arm_cspmu/arm_cspmu.c
@@ -1427,4 +1427,5 @@ EXPORT_SYMBOL_GPL(arm_cspmu_impl_unregister);
 module_init(arm_cspmu_init);
 module_exit(arm_cspmu_exit);
 
+MODULE_DESCRIPTION("ARM CoreSight Architecture PMU driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/perf/arm_cspmu/nvidia_cspmu.c b/drivers/perf/arm_cspmu/nvidia_cspmu.c
index 5b84b701ad62..0dea47e48ac5 100644
--- a/drivers/perf/arm_cspmu/nvidia_cspmu.c
+++ b/drivers/perf/arm_cspmu/nvidia_cspmu.c
@@ -417,4 +417,5 @@ static void __exit nvidia_cspmu_exit(void)
 module_init(nvidia_cspmu_init);
 module_exit(nvidia_cspmu_exit);
 
+MODULE_DESCRIPTION("NVIDIA Coresight Architecture PMU driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/perf/cxl_pmu.c b/drivers/perf/cxl_pmu.c
index 1f93a66eff5b..8b6ce9ea5a55 100644
--- a/drivers/perf/cxl_pmu.c
+++ b/drivers/perf/cxl_pmu.c
@@ -972,6 +972,7 @@ static __exit void cxl_pmu_exit(void)
 	cpuhp_remove_multi_state(cxl_pmu_cpuhp_state_num);
 }
 
+MODULE_DESCRIPTION("CXL Performance Monitoring Unit driver");
 MODULE_LICENSE("GPL");
 MODULE_IMPORT_NS(CXL);
 module_init(cxl_pmu_init);
diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c
index 1bbdb29743c4..a6683b38315c 100644
--- a/drivers/perf/fsl_imx8_ddr_perf.c
+++ b/drivers/perf/fsl_imx8_ddr_perf.c
@@ -850,4 +850,5 @@ static struct platform_driver imx_ddr_pmu_driver = {
 };
 
 module_platform_driver(imx_ddr_pmu_driver);
+MODULE_DESCRIPTION("Freescale i.MX8 DDR PMU driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c
index 6392cbedcd06..e1df9db498e9 100644
--- a/drivers/perf/hisilicon/hisi_uncore_pmu.c
+++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c
@@ -537,4 +537,5 @@ void hisi_pmu_init(struct hisi_pmu *hisi_pmu, struct module *module)
 }
 EXPORT_SYMBOL_GPL(hisi_pmu_init);
 
+MODULE_DESCRIPTION("HiSilicon SoC PMU driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/perf/marvell_cn10k_ddr_pmu.c b/drivers/perf/marvell_cn10k_ddr_pmu.c
index e2abca188dbe..94f1ebcd2a27 100644
--- a/drivers/perf/marvell_cn10k_ddr_pmu.c
+++ b/drivers/perf/marvell_cn10k_ddr_pmu.c
@@ -763,4 +763,5 @@ module_init(cn10k_ddr_pmu_init);
 module_exit(cn10k_ddr_pmu_exit);
 
 MODULE_AUTHOR("Bharat Bhushan <bbhushan2@marvell.com>");
+MODULE_DESCRIPTION("Marvell CN10K DRAM Subsystem (DSS) Performance Monitor Driver");
 MODULE_LICENSE("GPL v2");

---
base-commit: 83a7eefedc9b56fe7bfeff13b6c7356688ffa670
change-id: 20240611-md-drivers-perf-5d834208964d



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2024-06-11 18:31 [PATCH] perf: add missing MODULE_DESCRIPTION() macros Jeff Johnson
2024-06-18 14:33 ` Yicong Yang
2024-06-18 14:55   ` Jeff Johnson
2024-06-18 17:06 ` Jonathan Cameron

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