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SubjectRe: [PATCH v4 14/23] cxl/port: Remove Component Register base address from struct cxl_port
On Tue, 23 May 2023 18:22:05 -0500
Terry Bowman <terry.bowman@amd.com> wrote:

> From: Robert Richter <rrichter@amd.com>
>
> The Component Register base address @component_reg_phys is no longer
> used after the rework of the Component Register setup which now uses
> struct member @comp_map instead. Remove the base address.
>
> Signed-off-by: Robert Richter <rrichter@amd.com>
> Signed-off-by: Terry Bowman <terry.bowman@amd.com>

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> ---
> drivers/cxl/core/port.c | 4 +---
> drivers/cxl/cxl.h | 2 --
> 2 files changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
> index db2ba0c886e2..183f9f8548e2 100644
> --- a/drivers/cxl/core/port.c
> +++ b/drivers/cxl/core/port.c
> @@ -615,7 +615,6 @@ static int devm_cxl_link_parent_dport(struct device *host,
> static struct lock_class_key cxl_port_key;
>
> static struct cxl_port *cxl_port_alloc(struct device *uport,
> - resource_size_t component_reg_phys,
> struct cxl_dport *parent_dport)
> {
> struct cxl_port *port;
> @@ -665,7 +664,6 @@ static struct cxl_port *cxl_port_alloc(struct device *uport,
> } else
> dev->parent = uport;
>
> - port->component_reg_phys = component_reg_phys;
> ida_init(&port->decoder_ida);
> port->hdm_end = -1;
> port->commit_end = -1;
> @@ -724,7 +722,7 @@ static struct cxl_port *__devm_cxl_add_port(struct device *host,
> struct device *dev;
> int rc;
>
> - port = cxl_port_alloc(uport, component_reg_phys, parent_dport);
> + port = cxl_port_alloc(uport, parent_dport);
> if (IS_ERR(port))
> return port;
>
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index dc83c1d0396e..4365d46606df 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -556,7 +556,6 @@ struct cxl_dax_region {
> * @nr_dports: number of entries in @dports
> * @hdm_end: track last allocated HDM decoder instance for allocation ordering
> * @commit_end: cursor to track highest committed decoder for commit ordering
> - * @component_reg_phys: component register capability base address (optional)
> * @dead: last ep has been removed, force port re-creation
> * @depth: How deep this port is relative to the root. depth 0 is the root.
> * @cdat: Cached CDAT data
> @@ -576,7 +575,6 @@ struct cxl_port {
> int nr_dports;
> int hdm_end;
> int commit_end;
> - resource_size_t component_reg_phys;
> bool dead;
> unsigned int depth;
> struct cxl_cdat {

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