diff options
| author | Ben Widawsky <ben.widawsky@intel.com> | 2022-01-31 22:33:13 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-02-09 07:57:28 +0100 |
| commit | d54c1bbe2d34e301382968d8b05bd8162e8f60fb (patch) | |
| tree | 8230f4fb5e1930b4ba2f9615a358b741b5240960 /drivers/cxl/acpi.c | |
| parent | cxl/core: Convert decoder range to resource (diff) | |
| download | linux-d54c1bbe2d34e301382968d8b05bd8162e8f60fb.tar.xz linux-d54c1bbe2d34e301382968d8b05bd8162e8f60fb.zip | |
cxl/core/port: Clarify decoder creation
Add wrappers for the creation of decoder objects at the root level and
switch level, and keep the core helper private to cxl/core/port.c. Root
decoders are static descriptors conveyed from platform firmware (e.g.
ACPI CFMWS). Switch decoders are CXL standard decoders enumerated via
the HDM decoder capability structure. The base address for the HDM
decoder capability structure may be conveyed either by PCIe or platform
firmware (ACPI CEDT.CHBS).
Additionally, the kdoc descriptions for these helpers and their
dependencies is updated.
Signed-off-by: Ben Widawsky <ben.widawsky@intel.com>
[djbw: fixup changelog, clarify kdoc]
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/164366463014.111117.9714595404002687111.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/cxl/acpi.c')
| -rw-r--r-- | drivers/cxl/acpi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c index da70f1836db6..0b267eabb15e 100644 --- a/drivers/cxl/acpi.c +++ b/drivers/cxl/acpi.c @@ -102,7 +102,7 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg, for (i = 0; i < CFMWS_INTERLEAVE_WAYS(cfmws); i++) target_map[i] = cfmws->interleave_targets[i]; - cxld = cxl_decoder_alloc(root_port, CFMWS_INTERLEAVE_WAYS(cfmws)); + cxld = cxl_root_decoder_alloc(root_port, CFMWS_INTERLEAVE_WAYS(cfmws)); if (IS_ERR(cxld)) return 0; @@ -260,7 +260,7 @@ static int add_host_bridge_uport(struct device *match, void *arg) * dport. Disable the range until the first CXL region is enumerated / * activated. */ - cxld = cxl_decoder_alloc(port, 1); + cxld = cxl_switch_decoder_alloc(port, 1); if (IS_ERR(cxld)) return PTR_ERR(cxld); |