diff options
Diffstat (limited to 'drivers/usb/typec')
-rw-r--r-- | drivers/usb/typec/mux/intel_pmc_mux.c | 26 | ||||
-rw-r--r-- | drivers/usb/typec/ucsi/ucsi.c | 22 | ||||
-rw-r--r-- | drivers/usb/typec/ucsi/ucsi_acpi.c | 6 |
3 files changed, 32 insertions, 22 deletions
diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index e4021e13af40..676b525c2a66 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -61,14 +61,11 @@ enum { #define PMC_USB_ALTMODE_ORI_SHIFT 1 #define PMC_USB_ALTMODE_UFP_SHIFT 3 -#define PMC_USB_ALTMODE_ORI_AUX_SHIFT 4 -#define PMC_USB_ALTMODE_ORI_HSL_SHIFT 5 /* DP specific Mode Data bits */ #define PMC_USB_ALTMODE_DP_MODE_SHIFT 8 /* TBT specific Mode Data bits */ -#define PMC_USB_ALTMODE_HPD_HIGH BIT(14) #define PMC_USB_ALTMODE_TBT_TYPE BIT(17) #define PMC_USB_ALTMODE_CABLE_TYPE BIT(18) #define PMC_USB_ALTMODE_ACTIVE_LINK BIT(20) @@ -128,13 +125,19 @@ static int hsl_orientation(struct pmc_usb_port *port) static int pmc_usb_command(struct pmc_usb_port *port, u8 *msg, u32 len) { u8 response[4]; + int ret; /* * Error bit will always be 0 with the USBC command. - * Status can be checked from the response message. + * Status can be checked from the response message if the + * function intel_scu_ipc_dev_command succeeds. */ - intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, len, - response, sizeof(response)); + ret = intel_scu_ipc_dev_command(port->pmc->ipc, PMC_USBC_CMD, 0, msg, + len, response, sizeof(response)); + + if (ret) + return ret; + if (response[2] & PMC_USB_RESP_STATUS_FAILURE) { if (response[2] & PMC_USB_RESP_STATUS_FATAL) return -EIO; @@ -179,15 +182,9 @@ pmc_usb_mux_dp(struct pmc_usb_port *port, struct typec_mux_state *state) req.mode_data = (port->orientation - 1) << PMC_USB_ALTMODE_ORI_SHIFT; req.mode_data |= (port->role - 1) << PMC_USB_ALTMODE_UFP_SHIFT; - req.mode_data |= sbu_orientation(port) << PMC_USB_ALTMODE_ORI_AUX_SHIFT; - req.mode_data |= hsl_orientation(port) << PMC_USB_ALTMODE_ORI_HSL_SHIFT; - req.mode_data |= (state->mode - TYPEC_STATE_MODAL) << PMC_USB_ALTMODE_DP_MODE_SHIFT; - if (data->status & DP_STATUS_HPD_STATE) - req.mode_data |= PMC_USB_ALTMODE_HPD_HIGH; - ret = pmc_usb_command(port, (void *)&req, sizeof(req)); if (ret) return ret; @@ -212,9 +209,6 @@ pmc_usb_mux_tbt(struct pmc_usb_port *port, struct typec_mux_state *state) req.mode_data = (port->orientation - 1) << PMC_USB_ALTMODE_ORI_SHIFT; req.mode_data |= (port->role - 1) << PMC_USB_ALTMODE_UFP_SHIFT; - req.mode_data |= sbu_orientation(port) << PMC_USB_ALTMODE_ORI_AUX_SHIFT; - req.mode_data |= hsl_orientation(port) << PMC_USB_ALTMODE_ORI_HSL_SHIFT; - if (TBT_ADAPTER(data->device_mode) == TBT_ADAPTER_TBT3) req.mode_data |= PMC_USB_ALTMODE_TBT_TYPE; @@ -497,6 +491,7 @@ err_remove_ports: for (i = 0; i < pmc->num_ports; i++) { typec_switch_unregister(pmc->port[i].typec_sw); typec_mux_unregister(pmc->port[i].typec_mux); + usb_role_switch_unregister(pmc->port[i].usb_sw); } return ret; @@ -510,6 +505,7 @@ static int pmc_usb_remove(struct platform_device *pdev) for (i = 0; i < pmc->num_ports; i++) { typec_switch_unregister(pmc->port[i].typec_sw); typec_mux_unregister(pmc->port[i].typec_mux); + usb_role_switch_unregister(pmc->port[i].usb_sw); } return 0; diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index e680fcfdee60..758b988ac518 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -216,14 +216,18 @@ void ucsi_altmode_update_active(struct ucsi_connector *con) con->partner_altmode[i] == altmode); } -static u8 ucsi_altmode_next_mode(struct typec_altmode **alt, u16 svid) +static int ucsi_altmode_next_mode(struct typec_altmode **alt, u16 svid) { u8 mode = 1; int i; - for (i = 0; alt[i]; i++) + for (i = 0; alt[i]; i++) { + if (i > MODE_DISCOVERY_MAX) + return -ERANGE; + if (alt[i]->svid == svid) mode++; + } return mode; } @@ -258,8 +262,11 @@ static int ucsi_register_altmode(struct ucsi_connector *con, goto err; } - desc->mode = ucsi_altmode_next_mode(con->port_altmode, - desc->svid); + ret = ucsi_altmode_next_mode(con->port_altmode, desc->svid); + if (ret < 0) + return ret; + + desc->mode = ret; switch (desc->svid) { case USB_TYPEC_DP_SID: @@ -292,8 +299,11 @@ static int ucsi_register_altmode(struct ucsi_connector *con, goto err; } - desc->mode = ucsi_altmode_next_mode(con->partner_altmode, - desc->svid); + ret = ucsi_altmode_next_mode(con->partner_altmode, desc->svid); + if (ret < 0) + return ret; + + desc->mode = ret; alt = typec_partner_register_altmode(con->partner, desc); if (IS_ERR(alt)) { diff --git a/drivers/usb/typec/ucsi/ucsi_acpi.c b/drivers/usb/typec/ucsi/ucsi_acpi.c index 9fc4f338e870..fbfe8f5933af 100644 --- a/drivers/usb/typec/ucsi/ucsi_acpi.c +++ b/drivers/usb/typec/ucsi/ucsi_acpi.c @@ -78,7 +78,7 @@ static int ucsi_acpi_sync_write(struct ucsi *ucsi, unsigned int offset, if (ret) goto out_clear_bit; - if (!wait_for_completion_timeout(&ua->complete, msecs_to_jiffies(5000))) + if (!wait_for_completion_timeout(&ua->complete, 60 * HZ)) ret = -ETIMEDOUT; out_clear_bit: @@ -112,11 +112,15 @@ static void ucsi_acpi_notify(acpi_handle handle, u32 event, void *data) static int ucsi_acpi_probe(struct platform_device *pdev) { + struct acpi_device *adev = ACPI_COMPANION(&pdev->dev); struct ucsi_acpi *ua; struct resource *res; acpi_status status; int ret; + if (adev->dep_unmet) + return -EPROBE_DEFER; + ua = devm_kzalloc(&pdev->dev, sizeof(*ua), GFP_KERNEL); if (!ua) return -ENOMEM; |