linux-kernel - [PATCH v9 01/15] usb: typec: tcpci: Add a getter method to retrieve tcpm

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Message-Id: <20200929024004.244992-2-badhri@google.com>
Date:   Mon, 28 Sep 2020 19:39:50 -0700
From:   Badhri Jagan Sridharan <badhri@...gle.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Thierry Reding <treding@...dia.com>,
        Prashant Malani <pmalani@...omium.org>,
        Badhri Jagan Sridharan <badhri@...gle.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: [PATCH v9 01/15] usb: typec: tcpci: Add a getter method to retrieve
 tcpm_port reference

Allow chip level drivers to retrieve reference to tcpm_port.

Signed-off-by: Badhri Jagan Sridharan <badhri@...gle.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
Change since v1:
- Changing patch version to v6 to fix version number confusion.

Change since v6:
- Rebase on usb-next
- Added Reviewed-by from Heikki.

Change since v7:
- Rebase on usb-next

Change since v8:
- None
---
 drivers/usb/typec/tcpm/tcpci.c | 6 ++++++
 drivers/usb/typec/tcpm/tcpci.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c
index 7d9491ba62fb..b960fe5a0f28 100644
--- a/drivers/usb/typec/tcpm/tcpci.c
+++ b/drivers/usb/typec/tcpm/tcpci.c
@@ -38,6 +38,12 @@ struct tcpci_chip {
 	struct tcpci_data data;
 };
 
+struct tcpm_port *tcpci_get_tcpm_port(struct tcpci *tcpci)
+{
+	return tcpci->port;
+}
+EXPORT_SYMBOL_GPL(tcpci_get_tcpm_port);
+
 static inline struct tcpci *tcpc_to_tcpci(struct tcpc_dev *tcpc)
 {
 	return container_of(tcpc, struct tcpci, tcpc);
diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h
index cf9d8b63adcb..04c49a0b0368 100644
--- a/drivers/usb/typec/tcpm/tcpci.h
+++ b/drivers/usb/typec/tcpm/tcpci.h
@@ -150,4 +150,6 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);
 void tcpci_unregister_port(struct tcpci *tcpci);
 irqreturn_t tcpci_irq(struct tcpci *tcpci);
 
+struct tcpm_port;
+struct tcpm_port *tcpci_get_tcpm_port(struct tcpci *tcpci);
 #endif /* __LINUX_USB_TCPCI_H */
-- 
2.28.0.709.gb0816b6eb0-goog