From a700f2d8e79ff80041078f160fe1edccf89b0c66 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 23 Sep 2015 12:33:14 -0300 Subject: Linux-libre 4.2.1-gnu --- drivers/usb/dwc3/ep0.c | 12 ++++++++++-- drivers/usb/gadget/function/f_uac2.c | 31 +++++++++++++++++++++++++++++-- drivers/usb/gadget/udc/m66592-udc.c | 2 +- drivers/usb/host/ehci-sysfs.c | 8 ++++---- drivers/usb/serial/ftdi_sio.c | 4 ++++ drivers/usb/serial/ftdi_sio_ids.h | 8 ++++++++ drivers/usb/serial/pl2303.c | 35 ++++++++++++++++++++++++++--------- drivers/usb/serial/qcserial.c | 1 + drivers/usb/serial/symbolserial.c | 6 +++--- 9 files changed, 86 insertions(+), 21 deletions(-) (limited to 'drivers/usb') diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 69e769c35..06ecd1e68 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -820,6 +820,11 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, unsigned maxp = ep0->endpoint.maxpacket; transfer_size += (maxp - (transfer_size % maxp)); + + /* Maximum of DWC3_EP0_BOUNCE_SIZE can only be received */ + if (transfer_size > DWC3_EP0_BOUNCE_SIZE) + transfer_size = DWC3_EP0_BOUNCE_SIZE; + transferred = min_t(u32, ur->length, transfer_size - length); memcpy(ur->buf, dwc->ep0_bounce, transferred); @@ -941,11 +946,14 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, return; } - WARN_ON(req->request.length > DWC3_EP0_BOUNCE_SIZE); - maxpacket = dep->endpoint.maxpacket; transfer_size = roundup(req->request.length, maxpacket); + if (transfer_size > DWC3_EP0_BOUNCE_SIZE) { + dev_WARN(dwc->dev, "bounce buf can't handle req len\n"); + transfer_size = DWC3_EP0_BOUNCE_SIZE; + } + dwc->ep0_bounced = true; /* diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 531861547..96d935b00 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -975,6 +975,29 @@ free_ep(struct uac2_rtd_params *prm, struct usb_ep *ep) "%s:%d Error!\n", __func__, __LINE__); } +static void set_ep_max_packet_size(const struct f_uac2_opts *uac2_opts, + struct usb_endpoint_descriptor *ep_desc, + unsigned int factor, bool is_playback) +{ + int chmask, srate, ssize; + u16 max_packet_size; + + if (is_playback) { + chmask = uac2_opts->p_chmask; + srate = uac2_opts->p_srate; + ssize = uac2_opts->p_ssize; + } else { + chmask = uac2_opts->c_chmask; + srate = uac2_opts->c_srate; + ssize = uac2_opts->c_ssize; + } + + max_packet_size = num_channels(chmask) * ssize * + DIV_ROUND_UP(srate, factor / (1 << (ep_desc->bInterval - 1))); + ep_desc->wMaxPacketSize = cpu_to_le16(min(max_packet_size, + le16_to_cpu(ep_desc->wMaxPacketSize))); +} + static int afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) { @@ -1070,10 +1093,14 @@ afunc_bind(struct usb_configuration *cfg, struct usb_function *fn) uac2->p_prm.uac2 = uac2; uac2->c_prm.uac2 = uac2; + /* Calculate wMaxPacketSize according to audio bandwidth */ + set_ep_max_packet_size(uac2_opts, &fs_epin_desc, 1000, true); + set_ep_max_packet_size(uac2_opts, &fs_epout_desc, 1000, false); + set_ep_max_packet_size(uac2_opts, &hs_epin_desc, 8000, true); + set_ep_max_packet_size(uac2_opts, &hs_epout_desc, 8000, false); + hs_epout_desc.bEndpointAddress = fs_epout_desc.bEndpointAddress; - hs_epout_desc.wMaxPacketSize = fs_epout_desc.wMaxPacketSize; hs_epin_desc.bEndpointAddress = fs_epin_desc.bEndpointAddress; - hs_epin_desc.wMaxPacketSize = fs_epin_desc.wMaxPacketSize; ret = usb_assign_descriptors(fn, fs_audio_desc, hs_audio_desc, NULL); if (ret) diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c index 309706fe4..9704053df 100644 --- a/drivers/usb/gadget/udc/m66592-udc.c +++ b/drivers/usb/gadget/udc/m66592-udc.c @@ -1052,7 +1052,7 @@ static void set_feature(struct m66592 *m66592, struct usb_ctrlrequest *ctrl) tmp = m66592_read(m66592, M66592_INTSTS0) & M66592_CTSQ; udelay(1); - } while (tmp != M66592_CS_IDST || timeout-- > 0); + } while (tmp != M66592_CS_IDST && timeout-- > 0); if (tmp == M66592_CS_IDST) m66592_bset(m66592, diff --git a/drivers/usb/host/ehci-sysfs.c b/drivers/usb/host/ehci-sysfs.c index 5e44407aa..5216f2b09 100644 --- a/drivers/usb/host/ehci-sysfs.c +++ b/drivers/usb/host/ehci-sysfs.c @@ -29,7 +29,7 @@ static ssize_t show_companion(struct device *dev, int count = PAGE_SIZE; char *ptr = buf; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); nports = HCS_N_PORTS(ehci->hcs_params); for (index = 0; index < nports; ++index) { @@ -54,7 +54,7 @@ static ssize_t store_companion(struct device *dev, struct ehci_hcd *ehci; int portnum, new_owner; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); new_owner = PORT_OWNER; /* Owned by companion */ if (sscanf(buf, "%d", &portnum) != 1) return -EINVAL; @@ -85,7 +85,7 @@ static ssize_t show_uframe_periodic_max(struct device *dev, struct ehci_hcd *ehci; int n; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); n = scnprintf(buf, PAGE_SIZE, "%d\n", ehci->uframe_periodic_max); return n; } @@ -101,7 +101,7 @@ static ssize_t store_uframe_periodic_max(struct device *dev, unsigned long flags; ssize_t ret; - ehci = hcd_to_ehci(bus_to_hcd(dev_get_drvdata(dev))); + ehci = hcd_to_ehci(dev_get_drvdata(dev)); if (kstrtouint(buf, 0, &uframe_periodic_max) < 0) return -EINVAL; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 4c8b3b821..a5a0376bb 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -605,6 +605,10 @@ static const struct usb_device_id id_table_combined[] = { { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLXM_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2WI_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX3_PID) }, /* * ELV devices: */ diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 792e05412..2943b97b2 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -568,6 +568,14 @@ */ #define FTDI_SYNAPSE_SS200_PID 0x9090 /* SS200 - SNAP Stick 200 */ +/* + * CustomWare / ShipModul NMEA multiplexers product ids (FTDI_VID) + */ +#define FTDI_CUSTOMWARE_MINIPLEX_PID 0xfd48 /* MiniPlex first generation NMEA Multiplexer */ +#define FTDI_CUSTOMWARE_MINIPLEX2_PID 0xfd49 /* MiniPlex-USB and MiniPlex-2 series */ +#define FTDI_CUSTOMWARE_MINIPLEX2WI_PID 0xfd4a /* MiniPlex-2Wi */ +#define FTDI_CUSTOMWARE_MINIPLEX3_PID 0xfd4b /* MiniPlex-3 series */ + /********************************/ /** third-party VID/PID combos **/ diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index f5257af33..ae682e4ee 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -362,21 +362,38 @@ static speed_t pl2303_encode_baud_rate_direct(unsigned char buf[4], static speed_t pl2303_encode_baud_rate_divisor(unsigned char buf[4], speed_t baud) { - unsigned int tmp; + unsigned int baseline, mantissa, exponent; /* * Apparently the formula is: - * baudrate = 12M * 32 / (2^buf[1]) / buf[0] + * baudrate = 12M * 32 / (mantissa * 4^exponent) + * where + * mantissa = buf[8:0] + * exponent = buf[11:9] */ - tmp = 12000000 * 32 / baud; + baseline = 12000000 * 32; + mantissa = baseline / baud; + if (mantissa == 0) + mantissa = 1; /* Avoid dividing by zero if baud > 32*12M. */ + exponent = 0; + while (mantissa >= 512) { + if (exponent < 7) { + mantissa >>= 2; /* divide by 4 */ + exponent++; + } else { + /* Exponent is maxed. Trim mantissa and leave. */ + mantissa = 511; + break; + } + } + buf[3] = 0x80; buf[2] = 0; - buf[1] = (tmp >= 256); - while (tmp >= 256) { - tmp >>= 2; - buf[1] <<= 1; - } - buf[0] = tmp; + buf[1] = exponent << 1 | mantissa >> 8; + buf[0] = mantissa & 0xff; + + /* Calculate and return the exact baud rate. */ + baud = (baseline / mantissa) >> (exponent << 1); return baud; } diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index d15654572..ebcec8cda 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -139,6 +139,7 @@ static const struct usb_device_id id_table[] = { {USB_DEVICE(0x0AF0, 0x8120)}, /* Option GTM681W */ /* non-Gobi Sierra Wireless devices */ + {DEVICE_SWI(0x03f0, 0x4e1d)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {DEVICE_SWI(0x0f3d, 0x68a2)}, /* Sierra Wireless MC7700 */ {DEVICE_SWI(0x114f, 0x68a2)}, /* Sierra Wireless MC7750 */ {DEVICE_SWI(0x1199, 0x68a2)}, /* Sierra Wireless MC7710 */ diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 8fceec729..6ed804450 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -94,7 +94,7 @@ exit: static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port) { - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); unsigned long flags; int result = 0; @@ -120,7 +120,7 @@ static void symbol_close(struct usb_serial_port *port) static void symbol_throttle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); spin_lock_irq(&priv->lock); priv->throttled = true; @@ -130,7 +130,7 @@ static void symbol_throttle(struct tty_struct *tty) static void symbol_unthrottle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); int result; bool was_throttled; -- cgit v1.2.3-54-g00ecf