| Message ID | 162042789118.1202325.17252779312531377335.stgit@dwillia2-desk3.amr.corp.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | CXL Port Enumeration and Plans for v5.14 | expand |
On Fri, 7 May 2021 15:51:31 -0700 Dan Williams <dan.j.williams@intel.com> wrote: > In preparation for more generic shared functionality across endpoint > consumers of core cxl resources, and platform-firmware producers of > those resources, rename bus.c to core.c. In addition to the central > rendezvous for interleave coordination, the core will also define common > routines like CXL register block mapping. > > Acked-by: Ben Widawsky <ben.widawsky@intel.com> > Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > Documentation/driver-api/cxl/memory-devices.rst | 6 ++--- > drivers/cxl/Makefile | 4 ++- > drivers/cxl/bus.c | 29 ---------------------- > drivers/cxl/core.c | 30 +++++++++++++++++++++++ > 4 files changed, 35 insertions(+), 34 deletions(-) > delete mode 100644 drivers/cxl/bus.c > create mode 100644 drivers/cxl/core.c > > diff --git a/Documentation/driver-api/cxl/memory-devices.rst b/Documentation/driver-api/cxl/memory-devices.rst > index 1bad466f9167..71495ed77069 100644 > --- a/Documentation/driver-api/cxl/memory-devices.rst > +++ b/Documentation/driver-api/cxl/memory-devices.rst > @@ -28,10 +28,10 @@ CXL Memory Device > .. kernel-doc:: drivers/cxl/mem.c > :internal: > > -CXL Bus > +CXL Core > ------- > -.. kernel-doc:: drivers/cxl/bus.c > - :doc: cxl bus > +.. kernel-doc:: drivers/cxl/core.c > + :doc: cxl core > > External Interfaces > =================== > diff --git a/drivers/cxl/Makefile b/drivers/cxl/Makefile > index a314a1891f4d..3808e39dd31f 100644 > --- a/drivers/cxl/Makefile > +++ b/drivers/cxl/Makefile > @@ -1,7 +1,7 @@ > # SPDX-License-Identifier: GPL-2.0 > -obj-$(CONFIG_CXL_BUS) += cxl_bus.o > +obj-$(CONFIG_CXL_BUS) += cxl_core.o > obj-$(CONFIG_CXL_MEM) += cxl_mem.o > > ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=CXL > -cxl_bus-y := bus.o > +cxl_core-y := core.o > cxl_mem-y := mem.o > diff --git a/drivers/cxl/bus.c b/drivers/cxl/bus.c > deleted file mode 100644 > index 58f74796d525..000000000000 > --- a/drivers/cxl/bus.c > +++ /dev/null > @@ -1,29 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ > -#include <linux/device.h> > -#include <linux/module.h> > - > -/** > - * DOC: cxl bus > - * > - * The CXL bus provides namespace for control devices and a rendezvous > - * point for cross-device interleave coordination. > - */ > -struct bus_type cxl_bus_type = { > - .name = "cxl", > -}; > -EXPORT_SYMBOL_GPL(cxl_bus_type); > - > -static __init int cxl_bus_init(void) > -{ > - return bus_register(&cxl_bus_type); > -} > - > -static void cxl_bus_exit(void) > -{ > - bus_unregister(&cxl_bus_type); > -} > - > -module_init(cxl_bus_init); > -module_exit(cxl_bus_exit); > -MODULE_LICENSE("GPL v2"); > diff --git a/drivers/cxl/core.c b/drivers/cxl/core.c > new file mode 100644 > index 000000000000..7f8d2034038a > --- /dev/null > +++ b/drivers/cxl/core.c > @@ -0,0 +1,30 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ > +#include <linux/device.h> > +#include <linux/module.h> > + > +/** > + * DOC: cxl core > + * > + * The CXL core provides a sysfs hierarchy for control devices and a rendezvous > + * point for cross-device interleave coordination through cxl ports. > + */ > + > +struct bus_type cxl_bus_type = { > + .name = "cxl", > +}; > +EXPORT_SYMBOL_GPL(cxl_bus_type); > + > +static __init int cxl_core_init(void) > +{ > + return bus_register(&cxl_bus_type); > +} > + > +static void cxl_core_exit(void) > +{ > + bus_unregister(&cxl_bus_type); > +} > + > +module_init(cxl_core_init); > +module_exit(cxl_core_exit); > +MODULE_LICENSE("GPL v2"); >
diff --git a/Documentation/driver-api/cxl/memory-devices.rst b/Documentation/driver-api/cxl/memory-devices.rst index 1bad466f9167..71495ed77069 100644 --- a/Documentation/driver-api/cxl/memory-devices.rst +++ b/Documentation/driver-api/cxl/memory-devices.rst @@ -28,10 +28,10 @@ CXL Memory Device .. kernel-doc:: drivers/cxl/mem.c :internal: -CXL Bus +CXL Core ------- -.. kernel-doc:: drivers/cxl/bus.c - :doc: cxl bus +.. kernel-doc:: drivers/cxl/core.c + :doc: cxl core External Interfaces =================== diff --git a/drivers/cxl/Makefile b/drivers/cxl/Makefile index a314a1891f4d..3808e39dd31f 100644 --- a/drivers/cxl/Makefile +++ b/drivers/cxl/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 -obj-$(CONFIG_CXL_BUS) += cxl_bus.o +obj-$(CONFIG_CXL_BUS) += cxl_core.o obj-$(CONFIG_CXL_MEM) += cxl_mem.o ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE=CXL -cxl_bus-y := bus.o +cxl_core-y := core.o cxl_mem-y := mem.o diff --git a/drivers/cxl/bus.c b/drivers/cxl/bus.c deleted file mode 100644 index 58f74796d525..000000000000 --- a/drivers/cxl/bus.c +++ /dev/null @@ -1,29 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ -#include <linux/device.h> -#include <linux/module.h> - -/** - * DOC: cxl bus - * - * The CXL bus provides namespace for control devices and a rendezvous - * point for cross-device interleave coordination. - */ -struct bus_type cxl_bus_type = { - .name = "cxl", -}; -EXPORT_SYMBOL_GPL(cxl_bus_type); - -static __init int cxl_bus_init(void) -{ - return bus_register(&cxl_bus_type); -} - -static void cxl_bus_exit(void) -{ - bus_unregister(&cxl_bus_type); -} - -module_init(cxl_bus_init); -module_exit(cxl_bus_exit); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/cxl/core.c b/drivers/cxl/core.c new file mode 100644 index 000000000000..7f8d2034038a --- /dev/null +++ b/drivers/cxl/core.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ +#include <linux/device.h> +#include <linux/module.h> + +/** + * DOC: cxl core + * + * The CXL core provides a sysfs hierarchy for control devices and a rendezvous + * point for cross-device interleave coordination through cxl ports. + */ + +struct bus_type cxl_bus_type = { + .name = "cxl", +}; +EXPORT_SYMBOL_GPL(cxl_bus_type); + +static __init int cxl_core_init(void) +{ + return bus_register(&cxl_bus_type); +} + +static void cxl_core_exit(void) +{ + bus_unregister(&cxl_bus_type); +} + +module_init(cxl_core_init); +module_exit(cxl_core_exit); +MODULE_LICENSE("GPL v2");