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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-08-14 22:22:31 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-08-14 22:22:31 +0200
commitbbb9e06d2c6435af9c62074ad7048910eeb2e7bc (patch)
tree17d152543a602d65c749efaaaaafde24d5fec46c /drivers/usb
parent55c3e571d2a0aabef4f1354604443f1c415d2e85 (diff)
parent2ccdd1b13c591d306f0401d98dedc4bdcd02b421 (diff)
Merge 6.5-rc6 into usb-next
We need the USB and Thunderbolt fixes in here to build on. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/common/usb-conn-gpio.c6
-rw-r--r--drivers/usb/dwc3/gadget.c9
-rw-r--r--drivers/usb/gadget/udc/core.c9
-rw-r--r--drivers/usb/storage/alauda.c12
-rw-r--r--drivers/usb/typec/altmodes/displayport.c18
-rw-r--r--drivers/usb/typec/mux/Kconfig1
-rw-r--r--drivers/usb/typec/mux/nb7vpq904m.c25
-rw-r--r--drivers/usb/typec/tcpm/tcpm.c7
8 files changed, 74 insertions, 13 deletions
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 766005d20bae..501e8bc9738e 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -42,6 +42,7 @@ struct usb_conn_info {
struct power_supply_desc desc;
struct power_supply *charger;
+ bool initial_detection;
};
/*
@@ -86,11 +87,13 @@ static void usb_conn_detect_cable(struct work_struct *work)
dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n",
usb_role_string(info->last_role), usb_role_string(role), id, vbus);
- if (info->last_role == role) {
+ if (!info->initial_detection && info->last_role == role) {
dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role));
return;
}
+ info->initial_detection = false;
+
if (info->last_role == USB_ROLE_HOST && info->vbus)
regulator_disable(info->vbus);
@@ -258,6 +261,7 @@ static int usb_conn_probe(struct platform_device *pdev)
device_set_wakeup_capable(&pdev->dev, true);
/* Perform initial detection */
+ info->initial_detection = true;
usb_conn_queue_dwork(info, 0);
return 0;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 5fd067151fbf..858fe4c299b7 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -4455,9 +4455,14 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt)
u32 count;
if (pm_runtime_suspended(dwc->dev)) {
+ dwc->pending_events = true;
+ /*
+ * Trigger runtime resume. The get() function will be balanced
+ * after processing the pending events in dwc3_process_pending
+ * events().
+ */
pm_runtime_get(dwc->dev);
disable_irq_nosync(dwc->irq_gadget);
- dwc->pending_events = true;
return IRQ_HANDLED;
}
@@ -4718,6 +4723,8 @@ void dwc3_gadget_process_pending_events(struct dwc3 *dwc)
{
if (dwc->pending_events) {
dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf);
+ dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf);
+ pm_runtime_put(dwc->dev);
dwc->pending_events = false;
enable_irq(dwc->irq_gadget);
}
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 3bd0dec0cf6f..7166d1117742 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -823,6 +823,9 @@ EXPORT_SYMBOL_GPL(usb_gadget_disconnect);
* usb_gadget_activate() is called. For example, user mode components may
* need to be activated before the system can talk to hosts.
*
+ * This routine may sleep; it must not be called in interrupt context
+ * (such as from within a gadget driver's disconnect() callback).
+ *
* Returns zero on success, else negative errno.
*/
int usb_gadget_deactivate(struct usb_gadget *gadget)
@@ -861,6 +864,8 @@ EXPORT_SYMBOL_GPL(usb_gadget_deactivate);
* This routine activates gadget which was previously deactivated with
* usb_gadget_deactivate() call. It calls usb_gadget_connect() if needed.
*
+ * This routine may sleep; it must not be called in interrupt context.
+ *
* Returns zero on success, else negative errno.
*/
int usb_gadget_activate(struct usb_gadget *gadget)
@@ -1639,7 +1644,11 @@ static void gadget_unbind_driver(struct device *dev)
usb_gadget_disable_async_callbacks(udc);
if (gadget->irq)
synchronize_irq(gadget->irq);
+ mutex_unlock(&udc->connect_lock);
+
udc->driver->unbind(gadget);
+
+ mutex_lock(&udc->connect_lock);
usb_gadget_udc_stop_locked(udc);
mutex_unlock(&udc->connect_lock);
diff --git a/drivers/usb/storage/alauda.c b/drivers/usb/storage/alauda.c
index 5e912dd29b4c..115f05a6201a 100644
--- a/drivers/usb/storage/alauda.c
+++ b/drivers/usb/storage/alauda.c
@@ -318,7 +318,8 @@ static int alauda_get_media_status(struct us_data *us, unsigned char *data)
rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,
command, 0xc0, 0, 1, data, 2);
- usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);
+ if (rc == USB_STOR_XFER_GOOD)
+ usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);
return rc;
}
@@ -454,9 +455,14 @@ static int alauda_init_media(struct us_data *us)
static int alauda_check_media(struct us_data *us)
{
struct alauda_info *info = (struct alauda_info *) us->extra;
- unsigned char status[2];
+ unsigned char *status = us->iobuf;
+ int rc;
- alauda_get_media_status(us, status);
+ rc = alauda_get_media_status(us, status);
+ if (rc != USB_STOR_XFER_GOOD) {
+ status[0] = 0xF0; /* Pretend there's no media */
+ status[1] = 0;
+ }
/* Check for no media or door open */
if ((status[0] & 0x80) || ((status[0] & 0x1F) == 0x10)
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 66de880b28d0..cdf8261e22db 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -60,6 +60,7 @@ struct dp_altmode {
enum dp_state state;
bool hpd;
+ bool pending_hpd;
struct mutex lock; /* device lock */
struct work_struct work;
@@ -144,8 +145,13 @@ static int dp_altmode_status_update(struct dp_altmode *dp)
dp->state = DP_STATE_EXIT;
} else if (!(con & DP_CONF_CURRENTLY(dp->data.conf))) {
ret = dp_altmode_configure(dp, con);
- if (!ret)
+ if (!ret) {
dp->state = DP_STATE_CONFIGURE;
+ if (dp->hpd != hpd) {
+ dp->hpd = hpd;
+ dp->pending_hpd = true;
+ }
+ }
} else {
if (dp->hpd != hpd) {
drm_connector_oob_hotplug_event(dp->connector_fwnode);
@@ -161,6 +167,16 @@ static int dp_altmode_configured(struct dp_altmode *dp)
{
sysfs_notify(&dp->alt->dev.kobj, "displayport", "configuration");
sysfs_notify(&dp->alt->dev.kobj, "displayport", "pin_assignment");
+ /*
+ * If the DFP_D/UFP_D sends a change in HPD when first notifying the
+ * DisplayPort driver that it is connected, then we wait until
+ * configuration is complete to signal HPD.
+ */
+ if (dp->pending_hpd) {
+ drm_connector_oob_hotplug_event(dp->connector_fwnode);
+ sysfs_notify(&dp->alt->dev.kobj, "displayport", "hpd");
+ dp->pending_hpd = false;
+ }
return dp_altmode_notify(dp);
}
diff --git a/drivers/usb/typec/mux/Kconfig b/drivers/usb/typec/mux/Kconfig
index 784b9d8107e9..65da61150ba7 100644
--- a/drivers/usb/typec/mux/Kconfig
+++ b/drivers/usb/typec/mux/Kconfig
@@ -29,6 +29,7 @@ config TYPEC_MUX_INTEL_PMC
tristate "Intel PMC mux control"
depends on ACPI
depends on INTEL_SCU_IPC
+ select USB_COMMON
select USB_ROLE_SWITCH
help
Driver for USB muxes controlled by Intel PMC FW. Intel PMC FW can
diff --git a/drivers/usb/typec/mux/nb7vpq904m.c b/drivers/usb/typec/mux/nb7vpq904m.c
index 9360b65e8b06..cda206cf0c38 100644
--- a/drivers/usb/typec/mux/nb7vpq904m.c
+++ b/drivers/usb/typec/mux/nb7vpq904m.c
@@ -463,16 +463,18 @@ static int nb7vpq904m_probe(struct i2c_client *client)
ret = nb7vpq904m_register_bridge(nb7);
if (ret)
- return ret;
+ goto err_disable_gpio;
sw_desc.drvdata = nb7;
sw_desc.fwnode = dev->fwnode;
sw_desc.set = nb7vpq904m_sw_set;
nb7->sw = typec_switch_register(dev, &sw_desc);
- if (IS_ERR(nb7->sw))
- return dev_err_probe(dev, PTR_ERR(nb7->sw),
- "Error registering typec switch\n");
+ if (IS_ERR(nb7->sw)) {
+ ret = dev_err_probe(dev, PTR_ERR(nb7->sw),
+ "Error registering typec switch\n");
+ goto err_disable_gpio;
+ }
retimer_desc.drvdata = nb7;
retimer_desc.fwnode = dev->fwnode;
@@ -480,12 +482,21 @@ static int nb7vpq904m_probe(struct i2c_client *client)
nb7->retimer = typec_retimer_register(dev, &retimer_desc);
if (IS_ERR(nb7->retimer)) {
- typec_switch_unregister(nb7->sw);
- return dev_err_probe(dev, PTR_ERR(nb7->retimer),
- "Error registering typec retimer\n");
+ ret = dev_err_probe(dev, PTR_ERR(nb7->retimer),
+ "Error registering typec retimer\n");
+ goto err_switch_unregister;
}
return 0;
+
+err_switch_unregister:
+ typec_switch_unregister(nb7->sw);
+
+err_disable_gpio:
+ gpiod_set_value(nb7->enable_gpio, 0);
+ regulator_disable(nb7->vcc_supply);
+
+ return ret;
}
static void nb7vpq904m_remove(struct i2c_client *client)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 5a7d8cc04628..5639b9a1e0bf 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -5282,6 +5282,10 @@ static void _tcpm_pd_vbus_off(struct tcpm_port *port)
/* Do nothing, vbus drop expected */
break;
+ case SNK_HARD_RESET_WAIT_VBUS:
+ /* Do nothing, its OK to receive vbus off events */
+ break;
+
default:
if (port->pwr_role == TYPEC_SINK && port->attached)
tcpm_set_state(port, SNK_UNATTACHED, tcpm_wait_for_discharge(port));
@@ -5328,6 +5332,9 @@ static void _tcpm_pd_vbus_vsafe0v(struct tcpm_port *port)
case SNK_DEBOUNCED:
/*Do nothing, still waiting for VSAFE5V for connect */
break;
+ case SNK_HARD_RESET_WAIT_VBUS:
+ /* Do nothing, its OK to receive vbus off events */
+ break;
default:
if (port->pwr_role == TYPEC_SINK && port->auto_vbus_discharge_enabled)
tcpm_set_state(port, SNK_UNATTACHED, 0);