linux-kernel - [PATCH] dax: add missing MODULE

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Date: Wed, 5 Jun 2024 10:49:24 -0700
From: Jeff Johnson <quic_jjohnson@...cinc.com>
To: Dan Williams <dan.j.williams@...el.com>,
        Vishal Verma
	<vishal.l.verma@...el.com>,
        Dave Jiang <dave.jiang@...el.com>
CC: <nvdimm@...ts.linux.dev>, <linux-cxl@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>,
        "Jeff
 Johnson" <quic_jjohnson@...cinc.com>
Subject: [PATCH] dax: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/hmem/dax_hmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/device_dax.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/kmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/dax_pmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dax/dax_cxl.o

Add all missing invocations of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>
---
 drivers/dax/cxl.c       | 1 +
 drivers/dax/device.c    | 1 +
 drivers/dax/hmem/hmem.c | 1 +
 drivers/dax/kmem.c      | 1 +
 drivers/dax/pmem.c      | 1 +
 drivers/dax/super.c     | 1 +
 6 files changed, 6 insertions(+)

diff --git a/drivers/dax/cxl.c b/drivers/dax/cxl.c
index c696837ab23c..89abcfe902fc 100644
--- a/drivers/dax/cxl.c
+++ b/drivers/dax/cxl.c
@@ -43,6 +43,7 @@ static struct cxl_driver cxl_dax_region_driver = {
 
 module_cxl_driver(cxl_dax_region_driver);
 MODULE_ALIAS_CXL(CXL_DEVICE_DAX_REGION);
+MODULE_DESCRIPTION("CXL DAX: direct access to CXL RAM regions");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Intel Corporation");
 MODULE_IMPORT_NS(CXL);
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index eb61598247a9..0ad27bce0d26 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -482,6 +482,7 @@ static void __exit dax_exit(void)
 }
 
 MODULE_AUTHOR("Intel Corporation");
+MODULE_DESCRIPTION("Device DAX: direct access mapping device");
 MODULE_LICENSE("GPL v2");
 module_init(dax_init);
 module_exit(dax_exit);
diff --git a/drivers/dax/hmem/hmem.c b/drivers/dax/hmem/hmem.c
index b9da69f92697..5e7c53f18491 100644
--- a/drivers/dax/hmem/hmem.c
+++ b/drivers/dax/hmem/hmem.c
@@ -168,5 +168,6 @@ MODULE_SOFTDEP("pre: cxl_acpi");
 
 MODULE_ALIAS("platform:hmem*");
 MODULE_ALIAS("platform:hmem_platform*");
+MODULE_DESCRIPTION("HMEM DAX: direct access to 'specific purpose' memory");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Intel Corporation");
diff --git a/drivers/dax/kmem.c b/drivers/dax/kmem.c
index 4fe9d040e375..e97d47f42ee2 100644
--- a/drivers/dax/kmem.c
+++ b/drivers/dax/kmem.c
@@ -299,6 +299,7 @@ static void __exit dax_kmem_exit(void)
 }
 
 MODULE_AUTHOR("Intel Corporation");
+MODULE_DESCRIPTION("KMEM DAX: map dax-devices as System-RAM");
 MODULE_LICENSE("GPL v2");
 module_init(dax_kmem_init);
 module_exit(dax_kmem_exit);
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c
index f3c6c67b8412..c8ebf4e281f2 100644
--- a/drivers/dax/pmem.c
+++ b/drivers/dax/pmem.c
@@ -94,6 +94,7 @@ static void __exit dax_pmem_exit(void)
 }
 module_exit(dax_pmem_exit);
 
+MODULE_DESCRIPTION("PMEM DAX: direct access to persistent memory");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Intel Corporation");
 MODULE_ALIAS_ND_DEVICE(ND_DEVICE_DAX_PMEM);
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index aca71d7fccc1..e16d1d40d773 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -606,6 +606,7 @@ static void __exit dax_core_exit(void)
 }
 
 MODULE_AUTHOR("Intel Corporation");
+MODULE_DESCRIPTION("DAX: direct access to differentiated memory");
 MODULE_LICENSE("GPL v2");
 subsys_initcall(dax_core_init);
 module_exit(dax_core_exit);

---
base-commit: a693b9c95abd4947c2d06e05733de5d470ab6586
change-id: 20240605-md-drivers-dax-d1a711d9d35e