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| author | Dan Williams <dan.j.williams@intel.com> | 2022-05-19 03:52:23 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2022-07-21 18:34:16 +0300 |
| commit | e636479e2f1b611892783405a302221e4f069e4f (patch) | |
| tree | 6203f9e3dcc9e425428d1c0946d709ab74f6f7cc /drivers/cxl/acpi.c | |
| parent | 6b625b2bb8ffc6e903a7891008bf423858bbffe6 (diff) | |
| download | linux-e636479e2f1b611892783405a302221e4f069e4f.tar.xz | |
cxl/core: Define a 'struct cxl_switch_decoder'
Currently 'struct cxl_decoder' contains the superset of attributes
needed for all decoder types. Before more type-specific attributes are
added to the common definition, reorganize 'struct cxl_decoder' into type
specific objects.
This patch, the first of three, factors out a cxl_switch_decoder type.
See the new kdoc for what a 'struct cxl_switch_decoder' represents in a
CXL topology.
Co-developed-by: Ben Widawsky <bwidawsk@kernel.org>
Signed-off-by: Ben Widawsky <bwidawsk@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/165784325340.1758207.5064717153608954960.stgit@dwillia2-xfh.jf.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, 3 insertions, 1 deletions
diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c index 541fc0b28b8f..62bf22ffb7aa 100644 --- a/drivers/cxl/acpi.c +++ b/drivers/cxl/acpi.c @@ -81,6 +81,7 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg, int target_map[CXL_DECODER_MAX_INTERLEAVE]; struct cxl_cfmws_context *ctx = arg; struct cxl_port *root_port = ctx->root_port; + struct cxl_switch_decoder *cxlsd; struct device *dev = ctx->dev; struct acpi_cedt_cfmws *cfmws; struct cxl_decoder *cxld; @@ -106,10 +107,11 @@ static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg, for (i = 0; i < ways; i++) target_map[i] = cfmws->interleave_targets[i]; - cxld = cxl_root_decoder_alloc(root_port, ways); + cxlsd = cxl_root_decoder_alloc(root_port, ways); if (IS_ERR(cxld)) return 0; + cxld = &cxlsd->cxld; cxld->flags = cfmws_to_decoder_flags(cfmws->restrictions); cxld->target_type = CXL_DECODER_EXPANDER; cxld->hpa_range = (struct range) { |