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([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 26 May 2023 06:14:32 -0700 From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Bjorn Andersson , chrome-platform@lists.linux.dev, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] usb: typec: mux: Clean up mux_fwnode_match() Date: Fri, 26 May 2023 16:14:33 +0300 Message-Id: <20230526131434.46920-2-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230526131434.46920-1-heikki.krogerus@linux.intel.com> References: <20230526131434.46920-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766962856352295276?= X-GMAIL-MSGID: =?utf-8?q?1766962856352295276?= Removing the "svid" and "accessory" device property checks. Those properties are not supported on any platform. Signed-off-by: Heikki Krogerus Link: https://lore.kernel.org/lkml/20230522215348.uoyboow26n2o3tel@ripper/ Reviewed-by: Bjorn Andersson Tested-by: Bjorn Andersson --- v2: Fixed the comment as requested by Bjorn. drivers/usb/typec/mux.c | 55 ++++++----------------------------------- 1 file changed, 7 insertions(+), 48 deletions(-) diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c index d9eaf9a0b0bfd..f2eee6322815d 100644 --- a/drivers/usb/typec/mux.c +++ b/drivers/usb/typec/mux.c @@ -265,60 +265,19 @@ static int mux_fwnode_match(struct device *dev, const void *fwnode) static void *typec_mux_match(const struct fwnode_handle *fwnode, const char *id, void *data) { - const struct typec_altmode_desc *desc = data; struct device *dev; - bool match; - int nval; - u16 *val; - int ret; - int i; /* - * Check has the identifier already been "consumed". If it - * has, no need to do any extra connection identification. + * Device graph (OF graph) does not give any means to identify the + * device type or the device class of the remote port parent that @fwnode + * represents, so in order to identify the type or the class of @fwnode + * an additional device property is needed. With typec muxes the + * property is named "mode-switch" (@id). The value of the device + * property is ignored. */ - match = !id; - if (match) - goto find_mux; - - if (!desc) { - /* - * Accessory Mode muxes & muxes which explicitly specify - * the required identifier can avoid SVID matching. - */ - match = fwnode_property_present(fwnode, "accessory") || - fwnode_property_present(fwnode, id); - if (match) - goto find_mux; - return NULL; - } - - /* Alternate Mode muxes */ - nval = fwnode_property_count_u16(fwnode, "svid"); - if (nval <= 0) + if (id && !fwnode_property_present(fwnode, id)) return NULL; - val = kcalloc(nval, sizeof(*val), GFP_KERNEL); - if (!val) - return ERR_PTR(-ENOMEM); - - ret = fwnode_property_read_u16_array(fwnode, "svid", val, nval); - if (ret < 0) { - kfree(val); - return ERR_PTR(ret); - } - - for (i = 0; i < nval; i++) { - match = val[i] == desc->svid; - if (match) { - kfree(val); - goto find_mux; - } - } - kfree(val); - return NULL; - -find_mux: dev = class_find_device(&typec_mux_class, NULL, fwnode, mux_fwnode_match); From patchwork Fri May 26 13:14:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 99489 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp466676vqr; Fri, 26 May 2023 06:18:34 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ47GFq9p0k4XbsqQqU1HZt/wuf0qphmeMgKYaHtZI+qivNTpq6zideDeSTzxKjDt/oODOrI X-Received: by 2002:a17:90a:7f95:b0:255:67e3:98a with SMTP id m21-20020a17090a7f9500b0025567e3098amr2403241pjl.11.1685107114422; Fri, 26 May 2023 06:18:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1685107114; cv=none; d=google.com; s=arc-20160816; b=UFuNeUwX8wfAv1/OA+1PoPxaKRvv1kMdbYyrvKd/nFufVKf/bqjpvyDGhVM7Ms04GH wYaRjnPdegNbht0rqC0bvHoJ3OHWzirWEEb48HVkNLlq42Hew4THfHFgiXZHS5LLHvOr zJKEJHN13CqlCAjF/ZveWNUZg/+ibqReLXS8LUJzQlzi7cPALx7MXckTZpYFAyvy8Zh2 zqD0an8v4FFBHiBVcnxumZUkFLHwDXl5zpyYXRfrbOEWFNo5wOe0kZYcUsCfDqn847Ae DfIl9nx8pH9jPVpK9OkSOGshJ6gXmWFLmigjL7UsDUBI99jFX1rKCgtOGbuUQyMpzG5D 1fMw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=HdpDPpxHyQreXw9Ii22QyRhgK+z3RshtF7kJet6Q+w4=; b=cRzSNXXZU5Q/C4EyqlvFr0Vj3nTWeDGYA4KhHoY0Bbvu+hUM6BQbZ621KWojOCXbum iV+V+1hTVX702iGPIQO3ln9vHkDt9H+F1FkyCCtARSm/zmYFC/I8Wepo9ojSti+0/ecM o6EAI6ukIJv5XEAbMabwxR158ZhaCJ5l0hQbeLmAzVml8EjN7V1or5R4Ky9gpwKu/b/G rkxQoinCi9IpHnobt/cp9G2cXSDWsRSrKN9Zlk+V/93ckwroQdyMChpMi+eKzF+jYGdY toDyUU1N8zV6x/WhMKDtktbZA6R01Pkyoq1WtKUtmCPzkOyWFGt5w2T3IShW02hPAuQY q+OQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=XtT6FHJq; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: from out1.vger.email (out1.vger.email. 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([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 26 May 2023 06:14:34 -0700 From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Bjorn Andersson , chrome-platform@lists.linux.dev, linux-usb@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Prashant Malani Subject: [PATCH v2 2/2] usb: typec: mux: Remove alt mode parameters from the API Date: Fri, 26 May 2023 16:14:34 +0300 Message-Id: <20230526131434.46920-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230526131434.46920-1-heikki.krogerus@linux.intel.com> References: <20230526131434.46920-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1766962877518465170?= X-GMAIL-MSGID: =?utf-8?q?1766962877518465170?= The alt mode descriptor parameters are not used anymore. Signed-off-by: Heikki Krogerus Reviewed-by: Bjorn Andersson Tested-by: Bjorn Andersson Acked-by: Prashant Malani --- v2: No changes. Adding the Acked-by a Reviewed-by tags. drivers/platform/chrome/cros_ec_typec.c | 2 +- drivers/soc/qcom/pmic_glink_altmode.c | 5 +---- drivers/usb/typec/class.c | 4 ++-- drivers/usb/typec/mux.c | 6 ++---- include/linux/usb/typec_mux.h | 11 ++++------- 5 files changed, 10 insertions(+), 18 deletions(-) diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index a673c33424706..25f9767c28e82 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -77,7 +77,7 @@ static int cros_typec_get_switch_handles(struct cros_typec_port *port, { int ret = 0; - port->mux = fwnode_typec_mux_get(fwnode, NULL); + port->mux = fwnode_typec_mux_get(fwnode); if (IS_ERR(port->mux)) { ret = PTR_ERR(port->mux); dev_dbg(dev, "Mux handle not found: %d.\n", ret); diff --git a/drivers/soc/qcom/pmic_glink_altmode.c b/drivers/soc/qcom/pmic_glink_altmode.c index 4d7895bdeaf2f..df48fbea4b686 100644 --- a/drivers/soc/qcom/pmic_glink_altmode.c +++ b/drivers/soc/qcom/pmic_glink_altmode.c @@ -369,7 +369,6 @@ static int pmic_glink_altmode_probe(struct auxiliary_device *adev, { struct pmic_glink_altmode_port *alt_port; struct pmic_glink_altmode *altmode; - struct typec_altmode_desc mux_desc = {}; const struct of_device_id *match; struct fwnode_handle *fwnode; struct device *dev = &adev->dev; @@ -427,9 +426,7 @@ static int pmic_glink_altmode_probe(struct auxiliary_device *adev, alt_port->dp_alt.mode = USB_TYPEC_DP_MODE; alt_port->dp_alt.active = 1; - mux_desc.svid = USB_TYPEC_DP_SID; - mux_desc.mode = USB_TYPEC_DP_MODE; - alt_port->typec_mux = fwnode_typec_mux_get(fwnode, &mux_desc); + alt_port->typec_mux = fwnode_typec_mux_get(fwnode); if (IS_ERR(alt_port->typec_mux)) return dev_err_probe(dev, PTR_ERR(alt_port->typec_mux), "failed to acquire mode-switch for port: %d\n", diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 349cc2030c903..faa184ae3dac8 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -2110,7 +2110,7 @@ typec_port_register_altmode(struct typec_port *port, struct typec_mux *mux; struct typec_retimer *retimer; - mux = typec_mux_get(&port->dev, desc); + mux = typec_mux_get(&port->dev); if (IS_ERR(mux)) return ERR_CAST(mux); @@ -2274,7 +2274,7 @@ struct typec_port *typec_register_port(struct device *parent, return ERR_PTR(ret); } - port->mux = typec_mux_get(&port->dev, NULL); + port->mux = typec_mux_get(&port->dev); if (IS_ERR(port->mux)) { ret = PTR_ERR(port->mux); put_device(&port->dev); diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c index f2eee6322815d..80dd91938d960 100644 --- a/drivers/usb/typec/mux.c +++ b/drivers/usb/typec/mux.c @@ -287,15 +287,13 @@ static void *typec_mux_match(const struct fwnode_handle *fwnode, /** * fwnode_typec_mux_get - Find USB Type-C Multiplexer * @fwnode: The caller device node - * @desc: Alt Mode description * * Finds a mux linked to the caller. This function is primarily meant for the * Type-C drivers. Returns a reference to the mux on success, NULL if no * matching connection was found, or ERR_PTR(-EPROBE_DEFER) when a connection * was found but the mux has not been enumerated yet. */ -struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode, - const struct typec_altmode_desc *desc) +struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode) { struct typec_mux_dev *mux_devs[TYPEC_MUX_MAX_DEVS]; struct typec_mux *mux; @@ -308,7 +306,7 @@ struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode, return ERR_PTR(-ENOMEM); count = fwnode_connection_find_matches(fwnode, "mode-switch", - (void *)desc, typec_mux_match, + NULL, typec_mux_match, (void **)mux_devs, ARRAY_SIZE(mux_devs)); if (count <= 0) { diff --git a/include/linux/usb/typec_mux.h b/include/linux/usb/typec_mux.h index 9292f0e078464..11bfa314529fd 100644 --- a/include/linux/usb/typec_mux.h +++ b/include/linux/usb/typec_mux.h @@ -60,8 +60,7 @@ struct typec_mux_desc { #if IS_ENABLED(CONFIG_TYPEC) -struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode, - const struct typec_altmode_desc *desc); +struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode); void typec_mux_put(struct typec_mux *mux); int typec_mux_set(struct typec_mux *mux, struct typec_mux_state *state); @@ -74,8 +73,7 @@ void *typec_mux_get_drvdata(struct typec_mux_dev *mux); #else -static inline struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode, - const struct typec_altmode_desc *desc) +static inline struct typec_mux *fwnode_typec_mux_get(struct fwnode_handle *fwnode); { return NULL; } @@ -102,10 +100,9 @@ static inline void *typec_mux_get_drvdata(struct typec_mux_dev *mux) #endif /* CONFIG_TYPEC */ -static inline struct typec_mux * -typec_mux_get(struct device *dev, const struct typec_altmode_desc *desc) +static inline struct typec_mux *typec_mux_get(struct device *dev) { - return fwnode_typec_mux_get(dev_fwnode(dev), desc); + return fwnode_typec_mux_get(dev_fwnode(dev)); } #endif /* __USB_TYPEC_MUX */