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[v3,07/40] cxl: Introduce module_cxl_driver

Message ID 164298415591.3018233.13608495220547681412.stgit@dwillia2-desk3.amr.corp.intel.com
State New
Headers show
Series CXL.mem Topology Discovery and Hotplug Support | expand

Commit Message

Dan Williams Jan. 24, 2022, 12:29 a.m. UTC 
From: Ben Widawsky <ben.widawsky@intel.com>

Many CXL drivers simply want to register and unregister themselves.
module_driver already supported this. A simple wrapper around that
reduces a decent amount of boilerplate in upcoming patches.

Suggested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/cxl/cxl.h |    3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
index 6288a6c1fc5c..38779409a419 100644
--- a/drivers/cxl/cxl.h
+++ b/drivers/cxl/cxl.h
@@ -308,6 +308,9 @@  int __cxl_driver_register(struct cxl_driver *cxl_drv, struct module *owner,
 #define cxl_driver_register(x) __cxl_driver_register(x, THIS_MODULE, KBUILD_MODNAME)
 void cxl_driver_unregister(struct cxl_driver *cxl_drv);
 
+#define module_cxl_driver(__cxl_driver) \
+	module_driver(__cxl_driver, cxl_driver_register, cxl_driver_unregister)
+
 #define CXL_DEVICE_NVDIMM_BRIDGE	1
 #define CXL_DEVICE_NVDIMM		2