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Wysocki" , Heikki Krogerus Cc: Andy Shevchenko , Mika Westerberg , Linus Walleij , Ard Biesheuvel , linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v6 13/15] platform/x86: intel_cht_int33fe: use inline reference properties Date: Wed, 23 Oct 2019 13:02:31 -0700 Message-Id: <20191023200233.86616-14-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.23.0.866.gb869b98d4c-goog In-Reply-To: <20191023200233.86616-1-dmitry.torokhov@gmail.com> References: <20191023200233.86616-1-dmitry.torokhov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Signed-off-by: Dmitry Torokhov --- .../platform/x86/intel_cht_int33fe_typec.c | 81 ++++++++++--------- 1 file changed, 41 insertions(+), 40 deletions(-) diff --git a/drivers/platform/x86/intel_cht_int33fe_typec.c b/drivers/platform/x86/intel_cht_int33fe_typec.c index 2d097fc2dd46..04138215956b 100644 --- a/drivers/platform/x86/intel_cht_int33fe_typec.c +++ b/drivers/platform/x86/intel_cht_int33fe_typec.c @@ -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 -- 2.23.0.866.gb869b98d4c-goog