Re: [PATCH v2 1/8] cxl: Add helper function to retrieve a feature entry

From: Dan Williams
Date: Wed Mar 26 2025 - 17:33:40 EST


shiju.jose@ wrote:
> From: Shiju Jose <shiju.jose@xxxxxxxxxx>
>
> Add helper function to retrieve a feature entry from the supported
> features list, if supported.
>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Reviewed-by: Fan Ni <fan.ni@xxxxxxxxxxx>
> Signed-off-by: Shiju Jose <shiju.jose@xxxxxxxxxx>
> ---
> drivers/cxl/core/core.h | 2 ++
> drivers/cxl/core/features.c | 23 +++++++++++++++++++++++
> 2 files changed, 25 insertions(+)
>
> diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
> index 1803aedb25ca..16bc717376fc 100644
> --- a/drivers/cxl/core/core.h
> +++ b/drivers/cxl/core/core.h
> @@ -123,6 +123,8 @@ int cxl_ras_init(void);
> void cxl_ras_exit(void);
>
> #ifdef CONFIG_CXL_FEATURES
> +struct cxl_feat_entry *cxl_get_feature_entry(struct cxl_dev_state *cxlds,
> + const uuid_t *feat_uuid);

It is unfortunate that this naming choice is too similar to
cxl_get_feature(). However, as I go to suggest a new name I find that
this is a duplicate of get_support_feature_info() in Dave's fwctl
series. Just drop this patch in favor of that.