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platform/x86: intel_cht_int33fe: use inline reference properties

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Now that static device properties allow defining reference properties
together with all other types of properties, instead of managing them
separately, let's adjust the driver.

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Dmitry Torokhov 2019-11-07 20:22:23 -08:00 committed by Rafael J. Wysocki
parent e64b674bc9
commit 53c24c2932
1 changed files with 41 additions and 40 deletions
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81
drivers/platform/x86/intel_cht_int33fe_typec.c
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@ -36,30 +36,6 @@ enum {
INT33FE_NODE_MAX,
};
static const struct software_node nodes[];
static const struct software_node_ref_args pi3usb30532_ref = {
&nodes[INT33FE_NODE_PI3USB30532]
};
static const struct software_node_ref_args dp_ref = {
&nodes[INT33FE_NODE_DISPLAYPORT]
};
static struct software_node_ref_args mux_ref;
static const struct software_node_reference usb_connector_refs[] = {
{ "orientation-switch", 1, &pi3usb30532_ref},
{ "mode-switch", 1, &pi3usb30532_ref},
{ "displayport", 1, &dp_ref},
{ }
};
static const struct software_node_reference fusb302_refs[] = {
{ "usb-role-switch", 1, &mux_ref},
{ }
};
/*
* Grrr I severly dislike buggy BIOS-es. At least one BIOS enumerates
* the max17047 both through the INT33FE ACPI device (it is right there
@ -95,8 +71,18 @@ static const struct property_entry max17047_props[] = {
{ }
};
/*
* We are not using inline property here because those are constant,
* and we need to adjust this one at runtime to point to real
* software node.
*/
static struct software_node_ref_args fusb302_mux_refs[] = {
{ .node = NULL },
};
static const struct property_entry fusb302_props[] = {
PROPERTY_ENTRY_STRING("linux,extcon-name", "cht_wcove_pwrsrc"),
PROPERTY_ENTRY_REF_ARRAY("usb-role-switch", fusb302_mux_refs),
{ }
};
@ -112,6 +98,8 @@ static const u32 snk_pdo[] = {
PDO_VAR(5000, 12000, 3000),
};
static const struct software_node nodes[];
static const struct property_entry usb_connector_props[] = {
PROPERTY_ENTRY_STRING("data-role", "dual"),
PROPERTY_ENTRY_STRING("power-role", "dual"),
@ -119,15 +107,21 @@ static const struct property_entry usb_connector_props[] = {
PROPERTY_ENTRY_U32_ARRAY("source-pdos", src_pdo),
PROPERTY_ENTRY_U32_ARRAY("sink-pdos", snk_pdo),
PROPERTY_ENTRY_U32("op-sink-microwatt", 2500000),
PROPERTY_ENTRY_REF("orientation-switch",
&nodes[INT33FE_NODE_PI3USB30532]),
PROPERTY_ENTRY_REF("mode-switch",
&nodes[INT33FE_NODE_PI3USB30532]),
PROPERTY_ENTRY_REF("displayport",
&nodes[INT33FE_NODE_DISPLAYPORT]),
{ }
};
static const struct software_node nodes[] = {
{ "fusb302", NULL, fusb302_props, fusb302_refs },
{ "fusb302", NULL, fusb302_props },
{ "max17047", NULL, max17047_props },
{ "pi3usb30532" },
{ "displayport" },
{ "connector", &nodes[0], usb_connector_props, usb_connector_refs },
{ "connector", &nodes[0], usb_connector_props },
{ }
};
@ -163,9 +157,10 @@ static void cht_int33fe_remove_nodes(struct cht_int33fe_data *data)
{
software_node_unregister_nodes(nodes);
if (mux_ref.node) {
fwnode_handle_put(software_node_fwnode(mux_ref.node));
mux_ref.node = NULL;
if (fusb302_mux_refs[0].node) {
fwnode_handle_put(
software_node_fwnode(fusb302_mux_refs[0].node));
fusb302_mux_refs[0].node = NULL;
}
if (data->dp) {
@ -177,25 +172,31 @@ static void cht_int33fe_remove_nodes(struct cht_int33fe_data *data)
static int cht_int33fe_add_nodes(struct cht_int33fe_data *data)
{
const struct software_node *mux_ref_node;
int ret;
ret = software_node_register_nodes(nodes);
if (ret)
return ret;
/* The devices that are not created in this driver need extra steps. */
/*
* There is no ACPI device node for the USB role mux, so we need to wait
* until the mux driver has created software node for the mux device.
* It means we depend on the mux driver. This function will return
* -EPROBE_DEFER until the mux device is registered.
*/
mux_ref.node = software_node_find_by_name(NULL, "intel-xhci-usb-sw");
if (!mux_ref.node) {
ret = -EPROBE_DEFER;
goto err_remove_nodes;
}
mux_ref_node = software_node_find_by_name(NULL, "intel-xhci-usb-sw");
if (!mux_ref_node)
return -EPROBE_DEFER;
/*
* Update node used in "usb-role-switch" property. Note that we
* rely on software_node_register_nodes() to use the original
* instance of properties instead of copying them.
*/
fusb302_mux_refs[0].node = mux_ref_node;
ret = software_node_register_nodes(nodes);
if (ret)
return ret;
/* The devices that are not created in this driver need extra steps. */
/*
* The DP connector does have ACPI device node. In this case we can just