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Date:   Mon, 21 Sep 2020 12:55:45 -0700
Message-Id: <20200921195555.1050731-1-badhri@google.com>
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Subject: [PATCH v8 01/11] usb: typec: tcpci: Add a getter method to retrieve
 tcpm_port reference
From:   Badhri Jagan Sridharan <badhri@google.com>
To:     Guenter Roeck <linux@roeck-us.net>,
        Heikki Krogerus <heikki.krogerus@linux.intel.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Rob Herring <robh+dt@kernel.org>,
        Lee Jones <lee.jones@linaro.org>,
        Mark Brown <broonie@kernel.org>,
        Maxime Ripard <mripard@kernel.org>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Thierry Reding <treding@nvidia.com>,
        Prashant Malani <pmalani@chromium.org>,
        Badhri Jagan Sridharan <badhri@google.com>
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-usb@vger.kernel.org
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

Allow chip level drivers to retrieve reference to tcpm_port.

Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.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
---
 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 */
-- 
2.28.0.681.g6f77f65b4e-goog