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usb: typec: tcpm: Remove tcpc_config configuration mechanism
All configuration can and should be done through fwnodes instead of through the tcpc_config struct and there are no existing users left of struct tcpc_config, so lets remove it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Link: https://lore.kernel.org/r/20191114111840.40876-1-hdegoede@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede
Greg Kroah-Hartman
parent
07a594f353
commit
a079973f46
@ -380,9 +380,6 @@ static enum tcpm_state tcpm_default_state(struct tcpm_port *port)
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return SNK_UNATTACHED;
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else if (port->try_role == TYPEC_SOURCE)
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return SRC_UNATTACHED;
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else if (port->tcpc->config &&
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port->tcpc->config->default_role == TYPEC_SINK)
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return SNK_UNATTACHED;
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/* Fall through to return SRC_UNATTACHED */
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} else if (port->port_type == TYPEC_PORT_SNK) {
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return SNK_UNATTACHED;
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@ -4122,7 +4119,7 @@ static int tcpm_try_role(struct typec_port *p, int role)
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mutex_lock(&port->lock);
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if (tcpc->try_role)
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ret = tcpc->try_role(tcpc, role);
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if (!ret && (!tcpc->config || !tcpc->config->try_role_hw))
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if (!ret)
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port->try_role = role;
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port->try_src_count = 0;
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port->try_snk_count = 0;
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@ -4366,34 +4363,6 @@ void tcpm_tcpc_reset(struct tcpm_port *port)
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}
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EXPORT_SYMBOL_GPL(tcpm_tcpc_reset);
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static int tcpm_copy_pdos(u32 *dest_pdo, const u32 *src_pdo,
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unsigned int nr_pdo)
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{
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unsigned int i;
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if (nr_pdo > PDO_MAX_OBJECTS)
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nr_pdo = PDO_MAX_OBJECTS;
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for (i = 0; i < nr_pdo; i++)
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dest_pdo[i] = src_pdo[i];
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return nr_pdo;
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}
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static int tcpm_copy_vdos(u32 *dest_vdo, const u32 *src_vdo,
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unsigned int nr_vdo)
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{
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unsigned int i;
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if (nr_vdo > VDO_MAX_OBJECTS)
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nr_vdo = VDO_MAX_OBJECTS;
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for (i = 0; i < nr_vdo; i++)
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dest_vdo[i] = src_vdo[i];
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return nr_vdo;
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}
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static int tcpm_fw_get_caps(struct tcpm_port *port,
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struct fwnode_handle *fwnode)
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{
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@ -4696,35 +4665,10 @@ static int devm_tcpm_psy_register(struct tcpm_port *port)
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return PTR_ERR_OR_ZERO(port->psy);
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}
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static int tcpm_copy_caps(struct tcpm_port *port,
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const struct tcpc_config *tcfg)
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{
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if (tcpm_validate_caps(port, tcfg->src_pdo, tcfg->nr_src_pdo) ||
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tcpm_validate_caps(port, tcfg->snk_pdo, tcfg->nr_snk_pdo))
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return -EINVAL;
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port->nr_src_pdo = tcpm_copy_pdos(port->src_pdo, tcfg->src_pdo,
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tcfg->nr_src_pdo);
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port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcfg->snk_pdo,
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tcfg->nr_snk_pdo);
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port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcfg->snk_vdo,
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tcfg->nr_snk_vdo);
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port->operating_snk_mw = tcfg->operating_snk_mw;
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port->typec_caps.prefer_role = tcfg->default_role;
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port->typec_caps.type = tcfg->type;
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port->typec_caps.data = tcfg->data;
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port->self_powered = tcfg->self_powered;
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return 0;
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}
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struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
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{
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struct tcpm_port *port;
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int i, err;
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int err;
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if (!dev || !tcpc ||
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!tcpc->get_vbus || !tcpc->set_cc || !tcpc->get_cc ||
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@ -4757,15 +4701,10 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
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tcpm_debugfs_init(port);
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err = tcpm_fw_get_caps(port, tcpc->fwnode);
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if ((err < 0) && tcpc->config)
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err = tcpm_copy_caps(port, tcpc->config);
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if (err < 0)
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goto out_destroy_wq;
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if (!tcpc->config || !tcpc->config->try_role_hw)
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port->try_role = port->typec_caps.prefer_role;
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else
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port->try_role = TYPEC_NO_PREFERRED_ROLE;
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port->try_role = port->typec_caps.prefer_role;
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port->typec_caps.fwnode = tcpc->fwnode;
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port->typec_caps.revision = 0x0120; /* Type-C spec release 1.2 */
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@ -4792,29 +4731,6 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
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goto out_role_sw_put;
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}
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if (tcpc->config && tcpc->config->alt_modes) {
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const struct typec_altmode_desc *paltmode = tcpc->config->alt_modes;
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i = 0;
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while (paltmode->svid && i < ARRAY_SIZE(port->port_altmode)) {
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struct typec_altmode *alt;
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alt = typec_port_register_altmode(port->typec_port,
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paltmode);
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if (IS_ERR(alt)) {
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tcpm_log(port,
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"%s: failed to register port alternate mode 0x%x",
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dev_name(dev), paltmode->svid);
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break;
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}
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typec_altmode_set_drvdata(alt, port);
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alt->ops = &tcpm_altmode_ops;
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port->port_altmode[i] = alt;
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i++;
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paltmode++;
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}
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}
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mutex_lock(&port->lock);
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tcpm_init(port);
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mutex_unlock(&port->lock);
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@ -46,45 +46,6 @@ enum tcpm_transmit_type {
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TCPC_TX_BIST_MODE_2 = 7
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};
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/**
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* struct tcpc_config - Port configuration
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* @src_pdo: PDO parameters sent to port partner as response to
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* PD_CTRL_GET_SOURCE_CAP message
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* @nr_src_pdo: Number of entries in @src_pdo
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* @snk_pdo: PDO parameters sent to partner as response to
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* PD_CTRL_GET_SINK_CAP message
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* @nr_snk_pdo: Number of entries in @snk_pdo
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* @operating_snk_mw:
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* Required operating sink power in mW
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* @type: Port type (TYPEC_PORT_DFP, TYPEC_PORT_UFP, or
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* TYPEC_PORT_DRP)
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* @default_role:
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* Default port role (TYPEC_SINK or TYPEC_SOURCE).
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* Set to TYPEC_NO_PREFERRED_ROLE if no default role.
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* @try_role_hw:True if try.{Src,Snk} is implemented in hardware
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* @alt_modes: List of supported alternate modes
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*/
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struct tcpc_config {
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const u32 *src_pdo;
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unsigned int nr_src_pdo;
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const u32 *snk_pdo;
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unsigned int nr_snk_pdo;
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const u32 *snk_vdo;
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unsigned int nr_snk_vdo;
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unsigned int operating_snk_mw;
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enum typec_port_type type;
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enum typec_port_data data;
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enum typec_role default_role;
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bool try_role_hw; /* try.{src,snk} implemented in hardware */
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bool self_powered; /* port belongs to a self powered device */
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const struct typec_altmode_desc *alt_modes;
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};
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/* Mux state attributes */
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#define TCPC_MUX_USB_ENABLED BIT(0) /* USB enabled */
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#define TCPC_MUX_DP_ENABLED BIT(1) /* DP enabled */
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@ -92,7 +53,6 @@ struct tcpc_config {
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/**
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* struct tcpc_dev - Port configuration and callback functions
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* @config: Pointer to port configuration
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* @fwnode: Pointer to port fwnode
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* @get_vbus: Called to read current VBUS state
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* @get_current_limit:
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@ -121,7 +81,6 @@ struct tcpc_config {
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* @mux: Pointer to multiplexer data
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*/
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struct tcpc_dev {
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const struct tcpc_config *config;
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struct fwnode_handle *fwnode;
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int (*init)(struct tcpc_dev *dev);
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