diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/core/message.c | 4 | ||||
-rw-r--r-- | drivers/usb/core/quirks.c | 3 | ||||
-rw-r--r-- | drivers/usb/musb/musb_core.c | 2 | ||||
-rw-r--r-- | drivers/usb/storage/uas.c | 2 | ||||
-rw-r--r-- | drivers/usb/typec/tcpm.c | 163 |
5 files changed, 51 insertions, 123 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index c64cf6c4a83d..0c11d40a12bc 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -151,6 +151,10 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, ret = usb_internal_control_msg(dev, pipe, dr, data, size, timeout); + /* Linger a bit, prior to the next control message. */ + if (dev->quirks & USB_QUIRK_DELAY_CTRL_MSG) + msleep(200); + kfree(dr); return ret; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index f4a548471f0f..54b019e267c5 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -230,7 +230,8 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x1b1c, 0x1b13), .driver_info = USB_QUIRK_DELAY_INIT }, /* Corsair Strafe RGB */ - { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT }, + { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT | + USB_QUIRK_DELAY_CTRL_MSG }, /* Corsair K70 LUX */ { USB_DEVICE(0x1b1c, 0x1b36), .driver_info = USB_QUIRK_DELAY_INIT }, diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index eef4ad578b31..c344ef4e5355 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1756,6 +1756,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf) int vbus; u8 devctl; + pm_runtime_get_sync(dev); spin_lock_irqsave(&musb->lock, flags); val = musb->a_wait_bcon; vbus = musb_platform_get_vbus_status(musb); @@ -1769,6 +1770,7 @@ vbus_show(struct device *dev, struct device_attribute *attr, char *buf) vbus = 0; } spin_unlock_irqrestore(&musb->lock, flags); + pm_runtime_put_sync(dev); return sprintf(buf, "Vbus %s, timeout %lu msec\n", vbus ? "on" : "off", val); diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 3b1b9695177a..6034c39b67d1 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -1076,7 +1076,7 @@ static int uas_post_reset(struct usb_interface *intf) return 0; err = uas_configure_endpoints(devinfo); - if (err && err != ENODEV) + if (err && err != -ENODEV) shost_printk(KERN_ERR, shost, "%s: alloc streams error %d after reset", __func__, err); diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c index f4d563ee7690..8b637a4b474b 100644 --- a/drivers/usb/typec/tcpm.c +++ b/drivers/usb/typec/tcpm.c @@ -252,9 +252,6 @@ struct tcpm_port { unsigned int nr_src_pdo; u32 snk_pdo[PDO_MAX_OBJECTS]; unsigned int nr_snk_pdo; - unsigned int nr_fixed; /* number of fixed sink PDOs */ - unsigned int nr_var; /* number of variable sink PDOs */ - unsigned int nr_batt; /* number of battery sink PDOs */ u32 snk_vdo[VDO_MAX_OBJECTS]; unsigned int nr_snk_vdo; @@ -1770,90 +1767,39 @@ static int tcpm_pd_check_request(struct tcpm_port *port) return 0; } -#define min_power(x, y) min(pdo_max_power(x), pdo_max_power(y)) -#define min_current(x, y) min(pdo_max_current(x), pdo_max_current(y)) - -static int tcpm_pd_select_pdo(struct tcpm_port *port, int *sink_pdo, - int *src_pdo) +static int tcpm_pd_select_pdo(struct tcpm_port *port) { - unsigned int i, j, max_mw = 0, max_mv = 0, mw = 0, mv = 0, ma = 0; + unsigned int i, max_mw = 0, max_mv = 0; int ret = -EINVAL; /* - * Select the source PDO providing the most power which has a - * matchig sink cap. + * Select the source PDO providing the most power while staying within + * the board's voltage limits. Prefer PDO providing exp */ for (i = 0; i < port->nr_source_caps; i++) { u32 pdo = port->source_caps[i]; enum pd_pdo_type type = pdo_type(pdo); + unsigned int mv, ma, mw; - if (type == PDO_TYPE_FIXED) { - for (j = 0; j < port->nr_fixed; j++) { - if (pdo_fixed_voltage(pdo) == - pdo_fixed_voltage(port->snk_pdo[j])) { - ma = min_current(pdo, port->snk_pdo[j]); - mv = pdo_fixed_voltage(pdo); - mw = ma * mv / 1000; - if (mw > max_mw || - (mw == max_mw && mv > max_mv)) { - ret = 0; - *src_pdo = i; - *sink_pdo = j; - max_mw = mw; - max_mv = mv; - } - /* There could only be one fixed pdo - * at a specific voltage level. - * So breaking here. - */ - break; - } - } - } else if (type == PDO_TYPE_BATT) { - for (j = port->nr_fixed; - j < port->nr_fixed + - port->nr_batt; - j++) { - if (pdo_min_voltage(pdo) >= - pdo_min_voltage(port->snk_pdo[j]) && - pdo_max_voltage(pdo) <= - pdo_max_voltage(port->snk_pdo[j])) { - mw = min_power(pdo, port->snk_pdo[j]); - mv = pdo_min_voltage(pdo); - if (mw > max_mw || - (mw == max_mw && mv > max_mv)) { - ret = 0; - *src_pdo = i; - *sink_pdo = j; - max_mw = mw; - max_mv = mv; - } - } - } - } else if (type == PDO_TYPE_VAR) { - for (j = port->nr_fixed + - port->nr_batt; - j < port->nr_fixed + - port->nr_batt + - port->nr_var; - j++) { - if (pdo_min_voltage(pdo) >= - pdo_min_voltage(port->snk_pdo[j]) && - pdo_max_voltage(pdo) <= - pdo_max_voltage(port->snk_pdo[j])) { - ma = min_current(pdo, port->snk_pdo[j]); - mv = pdo_min_voltage(pdo); - mw = ma * mv / 1000; - if (mw > max_mw || - (mw == max_mw && mv > max_mv)) { - ret = 0; - *src_pdo = i; - *sink_pdo = j; - max_mw = mw; - max_mv = mv; - } - } - } + if (type == PDO_TYPE_FIXED) + mv = pdo_fixed_voltage(pdo); + else + mv = pdo_min_voltage(pdo); + + if (type == PDO_TYPE_BATT) { + mw = pdo_max_power(pdo); + } else { + ma = min(pdo_max_current(pdo), + port->max_snk_ma); + mw = ma * mv / 1000; + } + + /* Perfer higher voltages if available */ + if ((mw > max_mw || (mw == max_mw && mv > max_mv)) && + mv <= port->max_snk_mv) { + ret = i; + max_mw = mw; + max_mv = mv; } } @@ -1865,14 +1811,13 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) unsigned int mv, ma, mw, flags; unsigned int max_ma, max_mw; enum pd_pdo_type type; - int src_pdo_index, snk_pdo_index; - u32 pdo, matching_snk_pdo; + int index; + u32 pdo; - if (tcpm_pd_select_pdo(port, &snk_pdo_index, &src_pdo_index) < 0) + index = tcpm_pd_select_pdo(port); + if (index < 0) return -EINVAL; - - pdo = port->source_caps[src_pdo_index]; - matching_snk_pdo = port->snk_pdo[snk_pdo_index]; + pdo = port->source_caps[index]; type = pdo_type(pdo); if (type == PDO_TYPE_FIXED) @@ -1880,28 +1825,26 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) else mv = pdo_min_voltage(pdo); - /* Select maximum available current within the sink pdo's limit */ + /* Select maximum available current within the board's power limit */ if (type == PDO_TYPE_BATT) { - mw = min_power(pdo, matching_snk_pdo); - ma = 1000 * mw / mv; + mw = pdo_max_power(pdo); + ma = 1000 * min(mw, port->max_snk_mw) / mv; } else { - ma = min_current(pdo, matching_snk_pdo); - mw = ma * mv / 1000; + ma = min(pdo_max_current(pdo), + 1000 * port->max_snk_mw / mv); } + ma = min(ma, port->max_snk_ma); flags = RDO_USB_COMM | RDO_NO_SUSPEND; /* Set mismatch bit if offered power is less than operating power */ + mw = ma * mv / 1000; max_ma = ma; max_mw = mw; if (mw < port->operating_snk_mw) { flags |= RDO_CAP_MISMATCH; - if (type == PDO_TYPE_BATT && - (pdo_max_power(matching_snk_pdo) > pdo_max_power(pdo))) - max_mw = pdo_max_power(matching_snk_pdo); - else if (pdo_max_current(matching_snk_pdo) > - pdo_max_current(pdo)) - max_ma = pdo_max_current(matching_snk_pdo); + max_mw = port->operating_snk_mw; + max_ma = max_mw * 1000 / mv; } tcpm_log(port, "cc=%d cc1=%d cc2=%d vbus=%d vconn=%s polarity=%d", @@ -1910,16 +1853,16 @@ static int tcpm_pd_build_request(struct tcpm_port *port, u32 *rdo) port->polarity); if (type == PDO_TYPE_BATT) { - *rdo = RDO_BATT(src_pdo_index + 1, mw, max_mw, flags); + *rdo = RDO_BATT(index + 1, mw, max_mw, flags); tcpm_log(port, "Requesting PDO %d: %u mV, %u mW%s", - src_pdo_index, mv, mw, + index, mv, mw, flags & RDO_CAP_MISMATCH ? " [mismatch]" : ""); } else { - *rdo = RDO_FIXED(src_pdo_index + 1, ma, max_ma, flags); + *rdo = RDO_FIXED(index + 1, ma, max_ma, flags); tcpm_log(port, "Requesting PDO %d: %u mV, %u mA%s", - src_pdo_index, mv, ma, + index, mv, ma, flags & RDO_CAP_MISMATCH ? " [mismatch]" : ""); } @@ -3650,19 +3593,6 @@ int tcpm_update_sink_capabilities(struct tcpm_port *port, const u32 *pdo, } EXPORT_SYMBOL_GPL(tcpm_update_sink_capabilities); -static int nr_type_pdos(const u32 *pdo, unsigned int nr_pdo, - enum pd_pdo_type type) -{ - int count = 0; - int i; - - for (i = 0; i < nr_pdo; i++) { - if (pdo_type(pdo[i]) == type) - count++; - } - return count; -} - struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) { struct tcpm_port *port; @@ -3708,15 +3638,6 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) tcpc->config->nr_src_pdo); port->nr_snk_pdo = tcpm_copy_pdos(port->snk_pdo, tcpc->config->snk_pdo, tcpc->config->nr_snk_pdo); - port->nr_fixed = nr_type_pdos(port->snk_pdo, - port->nr_snk_pdo, - PDO_TYPE_FIXED); - port->nr_var = nr_type_pdos(port->snk_pdo, - port->nr_snk_pdo, - PDO_TYPE_VAR); - port->nr_batt = nr_type_pdos(port->snk_pdo, - port->nr_snk_pdo, - PDO_TYPE_BATT); port->nr_snk_vdo = tcpm_copy_vdos(port->snk_vdo, tcpc->config->snk_vdo, tcpc->config->nr_snk_vdo); |