[v7,01/11] usb: typec: tcpci: Add a getter method to retrieve tcpm_port reference

Commit Message

Badhri Jagan Sridharan Sept. 17, 2020, 10:18 a.m. UTC

Allow chip level drivers to retrieve reference to tcpm_port.

Signed-off-by: Badhri Jagan Sridharan <[e-mail]>
Reviewed-by: Heikki Krogerus <[e-mail]>
---
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.
---
 drivers/usb/typec/tcpm/tcpci.c | 6 ++++++
 drivers/usb/typec/tcpm/tcpci.h | 2 ++
 2 files changed, 8 insertions(+)

Patch

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 */