On Fri, Oct 18, 2019 at 09:57:17PM +0200, Hans de Goede wrote:
> 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@xxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/usb/typec/tcpm/tcpm.c | 90 ++---------------------------------
> include/linux/usb/tcpm.h | 41 ----------------
> 2 files changed, 3 insertions(+), 128 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index 5f61d9977a15..c5fa18759f8e 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -380,9 +380,6 @@ static enum tcpm_state tcpm_default_state(struct tcpm_port *port)
> return SNK_UNATTACHED;
> else if (port->try_role == TYPEC_SOURCE)
> return SRC_UNATTACHED;
> - else if (port->tcpc->config &&
> - port->tcpc->config->default_role == TYPEC_SINK)
> - return SNK_UNATTACHED;
> /* Fall through to return SRC_UNATTACHED */
> } else if (port->port_type == TYPEC_PORT_SNK) {
> return SNK_UNATTACHED;
> @@ -4131,7 +4128,7 @@ static int tcpm_try_role(const struct typec_capability *cap, int role)
> mutex_lock(&port->lock);
> if (tcpc->try_role)
> ret = tcpc->try_role(tcpc, role);
> - if (!ret && (!tcpc->config || !tcpc->config->try_role_hw))
> + if (!ret)
> port->try_role = role;
> port->try_src_count = 0;
> port->try_snk_count = 0;
> @@ -4368,34 +4365,6 @@ void tcpm_tcpc_reset(struct tcpm_port *port)
> }
> EXPORT_SYMBOL_GPL(tcpm_tcpc_reset);
>
> -static int tcpm_copy_pdos(u32 *dest_pdo, const u32 *src_pdo,
> - unsigned int nr_pdo)
> -{
> - unsigned int i;
> -
> - if (nr_pdo > PDO_MAX_OBJECTS)
> - nr_pdo = PDO_MAX_OBJECTS;
> -
> - for (i = 0; i < nr_pdo; i++)
> - dest_pdo[i] = src_pdo[i];
> -
> - return nr_pdo;
> -}
> -
> -static int tcpm_copy_vdos(u32 *dest_vdo, const u32 *src_vdo,
> - unsigned int nr_vdo)
> -{
> - unsigned int i;
> -
> - if (nr_vdo > VDO_MAX_OBJECTS)
> - nr_vdo = VDO_MAX_OBJECTS;
> -
> - for (i = 0; i < nr_vdo; i++)
> - dest_vdo[i] = src_vdo[i];
> -
> - return nr_vdo;
> -}
> -
> static int tcpm_fw_get_caps(struct tcpm_port *port,
> struct fwnode_handle *fwnode)
> {
> @@ -4698,35 +4667,10 @@ static int devm_tcpm_psy_register(struct tcpm_port *port)
> return PTR_ERR_OR_ZERO(port->psy);
> }
>
> -static int tcpm_copy_caps(struct tcpm_port *port,
> - const struct tcpc_config *tcfg)
> -{
> - if (tcpm_validate_caps(port, tcfg->src_pdo, tcfg->nr_src_pdo) ||
> - tcpm_validate_caps(port, tcfg->snk_pdo, tcfg->nr_snk_pdo))
> - return -EINVAL;
> -
> - port->nr_src_pdo = tcpm_copy_pdos(port->src_pdo, tcfg->src_pdo,
> - tcfg->nr_src_pdo);
> - port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcfg->snk_pdo,
> - tcfg->nr_snk_pdo);
> -
> - port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcfg->snk_vdo,
> - tcfg->nr_snk_vdo);
> -
> - port->operating_snk_mw = tcfg->operating_snk_mw;
> -
> - port->typec_caps.prefer_role = tcfg->default_role;
> - port->typec_caps.type = tcfg->type;
> - port->typec_caps.data = tcfg->data;
> - port->self_powered = tcfg->self_powered;
> -
> - return 0;
> -}
> -
> struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
> {
> struct tcpm_port *port;
> - int i, err;
> + int err;
>
> if (!dev || !tcpc ||
> !tcpc->get_vbus || !tcpc->set_cc || !tcpc->get_cc ||
> @@ -4759,15 +4703,10 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
> tcpm_debugfs_init(port);
>
> err = tcpm_fw_get_caps(port, tcpc->fwnode);
> - if ((err < 0) && tcpc->config)
> - err = tcpm_copy_caps(port, tcpc->config);
> if (err < 0)
> goto out_destroy_wq;
>
> - if (!tcpc->config || !tcpc->config->try_role_hw)
> - port->try_role = port->typec_caps.prefer_role;
> - else
> - port->try_role = TYPEC_NO_PREFERRED_ROLE;
> + port->try_role = port->typec_caps.prefer_role;
>
> port->typec_caps.fwnode = tcpc->fwnode;
> port->typec_caps.revision = 0x0120; /* Type-C spec release 1.2 */
> @@ -4797,29 +4736,6 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
> goto out_role_sw_put;
> }
>
> - if (tcpc->config && tcpc->config->alt_modes) {
> - const struct typec_altmode_desc *paltmode = tcpc->config->alt_modes;
> -
> - i = 0;
> - while (paltmode->svid && i < ARRAY_SIZE(port->port_altmode)) {
> - struct typec_altmode *alt;
> -
> - alt = typec_port_register_altmode(port->typec_port,
> - paltmode);
> - if (IS_ERR(alt)) {
> - tcpm_log(port,
> - "%s: failed to register port alternate mode 0x%x",
> - dev_name(dev), paltmode->svid);
> - break;
> - }
> - typec_altmode_set_drvdata(alt, port);
> - alt->ops = &tcpm_altmode_ops;
> - port->port_altmode[i] = alt;
> - i++;
> - paltmode++;
> - }
> - }
> -
> mutex_lock(&port->lock);
> tcpm_init(port);
> mutex_unlock(&port->lock);
> diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
> index f516955a0cf4..e7979c01c351 100644
> --- a/include/linux/usb/tcpm.h
> +++ b/include/linux/usb/tcpm.h
> @@ -46,45 +46,6 @@ enum tcpm_transmit_type {
> TCPC_TX_BIST_MODE_2 = 7
> };
>
> -/**
> - * struct tcpc_config - Port configuration
> - * @src_pdo: PDO parameters sent to port partner as response to
> - * PD_CTRL_GET_SOURCE_CAP message
> - * @nr_src_pdo: Number of entries in @src_pdo
> - * @snk_pdo: PDO parameters sent to partner as response to
> - * PD_CTRL_GET_SINK_CAP message
> - * @nr_snk_pdo: Number of entries in @snk_pdo
> - * @operating_snk_mw:
> - * Required operating sink power in mW
> - * @type: Port type (TYPEC_PORT_DFP, TYPEC_PORT_UFP, or
> - * TYPEC_PORT_DRP)
> - * @default_role:
> - * Default port role (TYPEC_SINK or TYPEC_SOURCE).
> - * Set to TYPEC_NO_PREFERRED_ROLE if no default role.
> - * @try_role_hw:True if try.{Src,Snk} is implemented in hardware
> - * @alt_modes: List of supported alternate modes
> - */
> -struct tcpc_config {
> - const u32 *src_pdo;
> - unsigned int nr_src_pdo;
> -
> - const u32 *snk_pdo;
> - unsigned int nr_snk_pdo;
> -
> - const u32 *snk_vdo;
> - unsigned int nr_snk_vdo;
> -
> - unsigned int operating_snk_mw;
> -
> - enum typec_port_type type;
> - enum typec_port_data data;
> - enum typec_role default_role;
> - bool try_role_hw; /* try.{src,snk} implemented in hardware */
> - bool self_powered; /* port belongs to a self powered device */
> -
> - const struct typec_altmode_desc *alt_modes;
> -};
> -
> /* Mux state attributes */
> #define TCPC_MUX_USB_ENABLED BIT(0) /* USB enabled */
> #define TCPC_MUX_DP_ENABLED BIT(1) /* DP enabled */
> @@ -92,7 +53,6 @@ struct tcpc_config {
>
> /**
> * struct tcpc_dev - Port configuration and callback functions
> - * @config: Pointer to port configuration
> * @fwnode: Pointer to port fwnode
> * @get_vbus: Called to read current VBUS state
> * @get_current_limit:
> @@ -121,7 +81,6 @@ struct tcpc_config {
> * @mux: Pointer to multiplexer data
> */
> struct tcpc_dev {
> - const struct tcpc_config *config;
> struct fwnode_handle *fwnode;
>
> int (*init)(struct tcpc_dev *dev);
> --
> 2.23.0
>
