diff options
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/chipidea/udc.c | 16 | ||||
-rw-r--r-- | drivers/usb/core/config.c | 2 | ||||
-rw-r--r-- | drivers/usb/core/devio.c | 16 | ||||
-rw-r--r-- | drivers/usb/dwc2/core.h | 1 | ||||
-rw-r--r-- | drivers/usb/dwc2/platform.c | 22 | ||||
-rw-r--r-- | drivers/usb/dwc3/core.c | 1 | ||||
-rw-r--r-- | drivers/usb/dwc3/debug.h | 2 | ||||
-rw-r--r-- | drivers/usb/dwc3/dwc3-pci.c | 13 | ||||
-rw-r--r-- | drivers/usb/dwc3/gadget.c | 6 | ||||
-rw-r--r-- | drivers/usb/gadget/function/f_eem.c | 12 | ||||
-rw-r--r-- | drivers/usb/gadget/function/f_rndis.c | 3 | ||||
-rw-r--r-- | drivers/usb/gadget/function/u_serial.c | 7 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/core.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/fsl_qe_udc.c | 7 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/renesas_usb3.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 6 | ||||
-rw-r--r-- | drivers/usb/musb/musb_virthub.c | 7 | ||||
-rw-r--r-- | drivers/usb/phy/phy-generic.c | 8 | ||||
-rw-r--r-- | drivers/usb/renesas_usbhs/mod.c | 11 | ||||
-rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 2 | ||||
-rw-r--r-- | drivers/usb/serial/mos7720.c | 2 | ||||
-rw-r--r-- | drivers/usb/serial/mos7840.c | 4 | ||||
-rw-r--r-- | drivers/usb/serial/option.c | 9 |
23 files changed, 126 insertions, 35 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 065f5d97aa67..b93356834bb5 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -949,6 +949,15 @@ static int isr_setup_status_phase(struct ci_hdrc *ci) int retval; struct ci_hw_ep *hwep; + /* + * Unexpected USB controller behavior, caused by bad signal integrity + * or ground reference problems, can lead to isr_setup_status_phase + * being called with ci->status equal to NULL. + * If this situation occurs, you should review your USB hardware design. + */ + if (WARN_ON_ONCE(!ci->status)) + return -EPIPE; + hwep = (ci->ep0_dir == TX) ? ci->ep0out : ci->ep0in; ci->status->context = ci; ci->status->complete = isr_setup_status_complete; @@ -1596,8 +1605,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) { struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); - /* Data+ pullup controlled by OTG state machine in OTG fsm mode */ - if (ci_otg_is_fsm_mode(ci)) + /* + * Data+ pullup controlled by OTG state machine in OTG fsm mode; + * and don't touch Data+ in host mode for dual role config. + */ + if (ci_otg_is_fsm_mode(ci) || ci->role == CI_ROLE_HOST) return 0; pm_runtime_get_sync(&ci->gadget.dev); diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 051163189810..15ce4ab11688 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -187,7 +187,7 @@ static const unsigned short high_speed_maxpacket_maxes[4] = { [USB_ENDPOINT_XFER_CONTROL] = 64, [USB_ENDPOINT_XFER_ISOC] = 1024, [USB_ENDPOINT_XFER_BULK] = 512, - [USB_ENDPOINT_XFER_INT] = 1023, + [USB_ENDPOINT_XFER_INT] = 1024, }; static const unsigned short super_speed_maxpacket_maxes[4] = { [USB_ENDPOINT_XFER_CONTROL] = 512, diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e6a6d67c8705..09c8d9ca61ae 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1709,11 +1709,17 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb as->urb->start_frame = uurb->start_frame; as->urb->number_of_packets = number_of_packets; as->urb->stream_id = stream_id; - if (uurb->type == USBDEVFS_URB_TYPE_ISO || - ps->dev->speed == USB_SPEED_HIGH) - as->urb->interval = 1 << min(15, ep->desc.bInterval - 1); - else - as->urb->interval = ep->desc.bInterval; + + if (ep->desc.bInterval) { + if (uurb->type == USBDEVFS_URB_TYPE_ISO || + ps->dev->speed == USB_SPEED_HIGH || + ps->dev->speed >= USB_SPEED_SUPER) + as->urb->interval = 1 << + min(15, ep->desc.bInterval - 1); + else + as->urb->interval = ep->desc.bInterval; + } + as->urb->context = as; as->urb->complete = async_completed; for (totlen = u = 0; u < number_of_packets; u++) { diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 9fae0291cd69..d64551243789 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -868,6 +868,7 @@ struct dwc2_hsotg { void *priv; int irq; struct clk *clk; + struct reset_control *reset; unsigned int queuing_high_bandwidth:1; unsigned int srp_success:1; diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c index fc6f5251de5d..530959a8a6d1 100644 --- a/drivers/usb/dwc2/platform.c +++ b/drivers/usb/dwc2/platform.c @@ -45,6 +45,7 @@ #include <linux/platform_device.h> #include <linux/phy/phy.h> #include <linux/platform_data/s3c-hsotg.h> +#include <linux/reset.h> #include <linux/usb/of.h> @@ -337,6 +338,24 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg) { int i, ret; + hsotg->reset = devm_reset_control_get_optional(hsotg->dev, "dwc2"); + if (IS_ERR(hsotg->reset)) { + ret = PTR_ERR(hsotg->reset); + switch (ret) { + case -ENOENT: + case -ENOTSUPP: + hsotg->reset = NULL; + break; + default: + dev_err(hsotg->dev, "error getting reset control %d\n", + ret); + return ret; + } + } + + if (hsotg->reset) + reset_control_deassert(hsotg->reset); + /* Set default UTMI width */ hsotg->phyif = GUSBCFG_PHYIF16; @@ -434,6 +453,9 @@ static int dwc2_driver_remove(struct platform_device *dev) if (hsotg->ll_hw_enabled) dwc2_lowlevel_hw_disable(hsotg); + if (hsotg->reset) + reset_control_assert(hsotg->reset); + return 0; } diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 946643157b78..35d092456bec 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1192,6 +1192,7 @@ static int dwc3_runtime_resume(struct device *dev) } pm_runtime_mark_last_busy(dev); + pm_runtime_put(dev); return 0; } diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 22dfc3dd6a13..33ab2a203c1b 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -192,7 +192,7 @@ dwc3_ep_event_string(const struct dwc3_event_depevt *event) int ret; ret = sprintf(str, "ep%d%s: ", epnum >> 1, - (epnum & 1) ? "in" : "in"); + (epnum & 1) ? "in" : "out"); if (ret < 0) return "UNKNOWN"; diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c index 2eb84d6c24a6..6df0f5dad9a4 100644 --- a/drivers/usb/dwc3/dwc3-pci.c +++ b/drivers/usb/dwc3/dwc3-pci.c @@ -243,6 +243,15 @@ static int dwc3_pci_runtime_suspend(struct device *dev) return -EBUSY; } +static int dwc3_pci_runtime_resume(struct device *dev) +{ + struct platform_device *dwc3 = dev_get_drvdata(dev); + + return pm_runtime_get(&dwc3->dev); +} +#endif /* CONFIG_PM */ + +#ifdef CONFIG_PM_SLEEP static int dwc3_pci_pm_dummy(struct device *dev) { /* @@ -255,11 +264,11 @@ static int dwc3_pci_pm_dummy(struct device *dev) */ return 0; } -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ static struct dev_pm_ops dwc3_pci_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_pci_pm_dummy, dwc3_pci_pm_dummy) - SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_pm_dummy, + SET_RUNTIME_PM_OPS(dwc3_pci_runtime_suspend, dwc3_pci_runtime_resume, NULL) }; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 1f5597ef945d..122e64df2f4d 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1433,7 +1433,7 @@ static int dwc3_gadget_get_frame(struct usb_gadget *g) static int __dwc3_gadget_wakeup(struct dwc3 *dwc) { - unsigned long timeout; + int retries; int ret; u32 reg; @@ -1484,9 +1484,9 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc) } /* poll until Link State changes to ON */ - timeout = jiffies + msecs_to_jiffies(100); + retries = 20000; - while (!time_after(jiffies, timeout)) { + while (retries--) { reg = dwc3_readl(dwc->regs, DWC3_DSTS); /* in HS, means ON */ diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index d58bfc32be9e..007ec6e4a5d4 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -341,11 +341,15 @@ static struct sk_buff *eem_wrap(struct gether *port, struct sk_buff *skb) { struct sk_buff *skb2 = NULL; struct usb_ep *in = port->in_ep; - int padlen = 0; - u16 len = skb->len; + int headroom, tailroom, padlen = 0; + u16 len; - int headroom = skb_headroom(skb); - int tailroom = skb_tailroom(skb); + if (!skb) + return NULL; + + len = skb->len; + headroom = skb_headroom(skb); + tailroom = skb_tailroom(skb); /* When (len + EEM_HLEN + ETH_FCS_LEN) % in->maxpacket) is 0, * stick two bytes of zero-length EEM packet on the end. diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index c8005823b190..16562e461121 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -374,6 +374,9 @@ static struct sk_buff *rndis_add_header(struct gether *port, { struct sk_buff *skb2; + if (!skb) + return NULL; + skb2 = skb_realloc_headroom(skb, sizeof(struct rndis_packet_msg_type)); rndis_add_hdr(skb2); diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c index 6ded6345cd09..e0cd1e4c8892 100644 --- a/drivers/usb/gadget/function/u_serial.c +++ b/drivers/usb/gadget/function/u_serial.c @@ -375,10 +375,15 @@ __acquires(&port->port_lock) */ { struct list_head *pool = &port->write_pool; - struct usb_ep *in = port->port_usb->in; + struct usb_ep *in; int status = 0; bool do_tty_wake = false; + if (!port->port_usb) + return status; + + in = port->port_usb->in; + while (!port->write_busy && !list_empty(pool)) { struct usb_request *req; int len; diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 934f83881c30..40c04bb25f2f 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -827,7 +827,7 @@ void usb_gadget_unmap_request_by_dev(struct device *dev, return; if (req->num_mapped_sgs) { - dma_unmap_sg(dev, req->sg, req->num_mapped_sgs, + dma_unmap_sg(dev, req->sg, req->num_sgs, is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE); req->num_mapped_sgs = 0; diff --git a/drivers/usb/gadget/udc/fsl_qe_udc.c b/drivers/usb/gadget/udc/fsl_qe_udc.c index cf8819a5c5b2..8bb011ea78f7 100644 --- a/drivers/usb/gadget/udc/fsl_qe_udc.c +++ b/drivers/usb/gadget/udc/fsl_qe_udc.c @@ -1878,11 +1878,8 @@ static int qe_get_frame(struct usb_gadget *gadget) tmp = in_be16(&udc->usb_param->frame_n); if (tmp & 0x8000) - tmp = tmp & 0x07ff; - else - tmp = -EINVAL; - - return (int)tmp; + return tmp & 0x07ff; + return -EINVAL; } static int fsl_qe_start(struct usb_gadget *gadget, diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 93a3bec81df7..fb8fc34827ab 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -106,6 +106,7 @@ /* DRD_CON */ #define DRD_CON_PERI_CON BIT(24) +#define DRD_CON_VBOUT BIT(0) /* USB_INT_ENA_1 and USB_INT_STA_1 */ #define USB_INT_1_B3_PLLWKUP BIT(31) @@ -363,6 +364,7 @@ static void usb3_init_epc_registers(struct renesas_usb3 *usb3) { /* FIXME: How to change host / peripheral mode as well? */ usb3_set_bit(usb3, DRD_CON_PERI_CON, USB3_DRD_CON); + usb3_clear_bit(usb3, DRD_CON_VBOUT, USB3_DRD_CON); usb3_write(usb3, ~0, USB3_USB_INT_STA_1); usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index fd9fd12e4861..797137e26549 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -850,6 +850,10 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) spin_lock_irqsave(&xhci->lock, flags); ep->stop_cmds_pending--; + if (xhci->xhc_state & XHCI_STATE_REMOVING) { + spin_unlock_irqrestore(&xhci->lock, flags); + return; + } if (xhci->xhc_state & XHCI_STATE_DYING) { xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Stop EP timer ran, but another timer marked " @@ -903,7 +907,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Calling usb_hc_died()"); - usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); + usb_hc_died(xhci_to_hcd(xhci)); xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "xHCI host controller is dead."); } diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c index 192248f974ec..fe08e776fec3 100644 --- a/drivers/usb/musb/musb_virthub.c +++ b/drivers/usb/musb/musb_virthub.c @@ -290,6 +290,7 @@ int musb_hub_control( u32 temp; int retval = 0; unsigned long flags; + bool start_musb = false; spin_lock_irqsave(&musb->lock, flags); @@ -390,7 +391,7 @@ int musb_hub_control( * logic relating to VBUS power-up. */ if (!hcd->self.is_b_host && musb_has_gadget(musb)) - musb_start(musb); + start_musb = true; break; case USB_PORT_FEAT_RESET: musb_port_reset(musb, true); @@ -451,5 +452,9 @@ error: retval = -EPIPE; } spin_unlock_irqrestore(&musb->lock, flags); + + if (start_musb) + musb_start(musb); + return retval; } diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c index 980c9dee09eb..427efb5eebae 100644 --- a/drivers/usb/phy/phy-generic.c +++ b/drivers/usb/phy/phy-generic.c @@ -144,14 +144,18 @@ static irqreturn_t nop_gpio_vbus_thread(int irq, void *data) int usb_gen_phy_init(struct usb_phy *phy) { struct usb_phy_generic *nop = dev_get_drvdata(phy->dev); + int ret; if (!IS_ERR(nop->vcc)) { if (regulator_enable(nop->vcc)) dev_err(phy->dev, "Failed to enable power\n"); } - if (!IS_ERR(nop->clk)) - clk_prepare_enable(nop->clk); + if (!IS_ERR(nop->clk)) { + ret = clk_prepare_enable(nop->clk); + if (ret) + return ret; + } nop_reset(nop); diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c index d4be5d594896..28965ef4f824 100644 --- a/drivers/usb/renesas_usbhs/mod.c +++ b/drivers/usb/renesas_usbhs/mod.c @@ -282,9 +282,16 @@ static irqreturn_t usbhs_interrupt(int irq, void *data) if (usbhs_mod_is_host(priv)) usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC); - usbhs_write(priv, BRDYSTS, ~irq_state.brdysts); + /* + * The driver should not clear the xxxSTS after the line of + * "call irq callback functions" because each "if" statement is + * possible to call the callback function for avoiding any side effects. + */ + if (irq_state.intsts0 & BRDY) + usbhs_write(priv, BRDYSTS, ~irq_state.brdysts); usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts); - usbhs_write(priv, BEMPSTS, ~irq_state.bempsts); + if (irq_state.intsts0 & BEMP) + usbhs_write(priv, BEMPSTS, ~irq_state.bempsts); /* * call irq callback functions diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 92bc83b92d10..c4c64740a3e7 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -1076,7 +1076,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv) gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED); dev_info(dev, "%stransceiver found\n", - gpriv->transceiver ? "" : "no "); + !IS_ERR(gpriv->transceiver) ? "" : "no "); /* * CAUTION diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index 5608af4a369d..de9992b492b0 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -1252,7 +1252,7 @@ static int mos7720_write(struct tty_struct *tty, struct usb_serial_port *port, if (urb->transfer_buffer == NULL) { urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, - GFP_KERNEL); + GFP_ATOMIC); if (!urb->transfer_buffer) goto exit; } diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index ed378fb232e7..57426d703a09 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1340,8 +1340,8 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port, } if (urb->transfer_buffer == NULL) { - urb->transfer_buffer = - kmalloc(URB_TRANSFER_BUFFER_SIZE, GFP_KERNEL); + urb->transfer_buffer = kmalloc(URB_TRANSFER_BUFFER_SIZE, + GFP_ATOMIC); if (!urb->transfer_buffer) goto exit; } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index bc472584a229..9894e341c6ac 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -525,6 +525,12 @@ static void option_instat_callback(struct urb *urb); #define VIATELECOM_VENDOR_ID 0x15eb #define VIATELECOM_PRODUCT_CDS7 0x0001 +/* WeTelecom products */ +#define WETELECOM_VENDOR_ID 0x22de +#define WETELECOM_PRODUCT_WMD200 0x6801 +#define WETELECOM_PRODUCT_6802 0x6802 +#define WETELECOM_PRODUCT_WMD300 0x6803 + struct option_blacklist_info { /* bitmask of interface numbers blacklisted for send_setup */ const unsigned long sendsetup; @@ -1991,6 +1997,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_INTERFACE_CLASS(0x2020, 0x4000, 0xff) }, /* OLICARD300 - MT6225 */ { USB_DEVICE(INOVIA_VENDOR_ID, INOVIA_SEW858) }, { USB_DEVICE(VIATELECOM_VENDOR_ID, VIATELECOM_PRODUCT_CDS7) }, + { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); |