diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2026-06-10 03:13:24 +0300 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2026-06-12 23:47:30 +0300 |
| commit | 383f69656359191d2236ef5ec259984c844fde9a (patch) | |
| tree | c49516379d59daef0f6def2ec0d3c6086409a8f4 | |
| parent | d8dcb0b74b045e36d627935a959c3cf4c8cb2f7c (diff) | |
| download | linux-383f69656359191d2236ef5ec259984c844fde9a.tar.xz | |
cxl: Add dummy function for cxl_memdev_attach_region for !CONFIG_CXL_REGION
Add a dummy function that returns -EOPNOTSUPP for cxl_memdev_attach_region
when CONFIG_CXL_REGION is not enabled. This allow sbuilding when
cxl/core/region.o isn't built.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202606100401.GOjzpKHo-lkp@intel.com/
Fixes: 9b1e70e8f9ec ("cxl/region: Introduce devm_cxl_probe_mem()")
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Dan Williams <djbw@kernel.org>
Link: https://patch.msgid.link/20260610001324.260268-1-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
| -rw-r--r-- | drivers/cxl/cxlmem.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index d3bdd00f94b3..ed419d0c59f2 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -115,7 +115,14 @@ struct cxl_attach_region { struct range hpa_range; }; +#ifdef CONFIG_CXL_REGION int cxl_memdev_attach_region(struct cxl_memdev *cxlmd); +#else +static inline int cxl_memdev_attach_region(struct cxl_memdev *cxlmd) +{ + return -EOPNOTSUPP; +} +#endif struct cxl_memdev *devm_cxl_add_classdev(struct cxl_dev_state *cxlds); struct cxl_memdev *__devm_cxl_add_memdev(struct cxl_dev_state *cxlds, |