| Message ID | 20191018195719.94634-1-hdegoede@redhat.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [1/3] usb: typec: tcpm: Remove tcpc_config configuration mechanism | expand |
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@redhat.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > 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 >
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);
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> --- drivers/usb/typec/tcpm/tcpm.c | 90 ++--------------------------------- include/linux/usb/tcpm.h | 41 ---------------- 2 files changed, 3 insertions(+), 128 deletions(-)