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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@google.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20201008061556.1402293-2-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Badhri Jagan Sridharan 2020-10-07 23:15:42 -07:00 committed by Greg Kroah-Hartman
parent 9e8586827a
commit 58ea326b22
2 changed files with 8 additions and 0 deletions
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6
drivers/usb/typec/tcpm/tcpci.c
View File

@ -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);

2
drivers/usb/typec/tcpm/tcpci.h
View File

@ -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 */