From c17c7cf147ac56312156eaaaf8b2e19c9a59a71a Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Tue, 12 Feb 2019 07:58:17 -0800 Subject: [PATCH] usb: typec: tcpm: Remove unused functions tcpm_update_source_capabilities() and tcpm_update_sink_capabilities() are not used anywhere, and I don't recall why I introduced those functions in the first place. Effectively that means that we don't know if they even work, or ever did. Lets remove them. Reported-by: Kyle Tso Signed-off-by: Guenter Roeck Acked-by: Kyle Tso Signed-off-by: Greg Kroah-Hartman --- drivers/usb/typec/tcpm/tcpm.c | 60 ------------------------------------------- include/linux/usb/tcpm.h | 6 ----- 2 files changed, 66 deletions(-) diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 8f2af34..0f62db0 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4435,66 +4435,6 @@ sink: return 0; } -int tcpm_update_source_capabilities(struct tcpm_port *port, const u32 *pdo, - unsigned int nr_pdo) -{ - if (tcpm_validate_caps(port, pdo, nr_pdo)) - return -EINVAL; - - mutex_lock(&port->lock); - port->nr_src_pdo = tcpm_copy_pdos(port->src_pdo, pdo, nr_pdo); - switch (port->state) { - case SRC_UNATTACHED: - case SRC_ATTACH_WAIT: - case SRC_TRYWAIT: - tcpm_set_cc(port, tcpm_rp_cc(port)); - break; - case SRC_SEND_CAPABILITIES: - case SRC_NEGOTIATE_CAPABILITIES: - case SRC_READY: - case SRC_WAIT_NEW_CAPABILITIES: - tcpm_set_cc(port, tcpm_rp_cc(port)); - tcpm_set_state(port, SRC_SEND_CAPABILITIES, 0); - break; - default: - break; - } - mutex_unlock(&port->lock); - return 0; -} -EXPORT_SYMBOL_GPL(tcpm_update_source_capabilities); - -int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, - unsigned int nr_pdo, - unsigned int operating_snk_mw) -{ - if (tcpm_validate_caps(port, pdo, nr_pdo)) - return -EINVAL; - - mutex_lock(&port->lock); - port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, pdo, nr_pdo); - port->operating_snk_mw = operating_snk_mw; - port->update_sink_caps = true; - - switch (port->state) { - case SNK_NEGOTIATE_CAPABILITIES: - case SNK_NEGOTIATE_PPS_CAPABILITIES: - case SNK_READY: - case SNK_TRANSITION_SINK: - case SNK_TRANSITION_SINK_VBUS: - if (port->pps_data.active) - tcpm_set_state(port, SNK_NEGOTIATE_PPS_CAPABILITIES, 0); - else - tcpm_set_state(port, SNK_NEGOTIATE_CAPABILITIES, 0); - break; - default: - break; - } - mutex_unlock(&port->lock); - return 0; -} -EXPORT_SYMBOL_GPL(tcpm_update_sink_capabilities); - /* Power Supply access to expose source power information */ enum tcpm_psy_online_states { TCPM_PSY_OFFLINE = 0, diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index 50c74a7..0c532ca 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -159,12 +159,6 @@ struct tcpm_port; struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc); void tcpm_unregister_port(struct tcpm_port *port); -int tcpm_update_source_capabilities(struct tcpm_port *port, const u32 *pdo, - unsigned int nr_pdo); -int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, - unsigned int nr_pdo, - unsigned int operating_snk_mw); - void tcpm_vbus_change(struct tcpm_port *port); void tcpm_cc_change(struct tcpm_port *port); void tcpm_pd_receive(struct tcpm_port *port, -- 2.7.4