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Viewing changes to drivers/usb/serial/cypress_m8.c

  • Committer: Package Import Robot
  • Author(s): Paolo Pisati, Paolo Pisati
  • Date: 2013-07-11 18:35:20 UTC
  • Revision ID: package-import@ubuntu.com-20130711183520-htnf1x4y5r11hndr
Tags: 3.5.0-229.42
https://launchpad.net/bugs/1199276
* Release Tracking Bug
  - LP: #1199276

[ Paolo Pisati ]

* [Config] CONFIG_ATH9K_LEGACY_RATE_CONTROL is not set

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Lines of Context:
drivers/usb/serial/cypress_m8.c
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static const struct usb_device_id id_table_cyphidcomrs232[] = {
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        { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
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        { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
 
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        { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
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        { }                                             /* Terminating entry */
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};
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        { USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
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        { USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
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        { USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
 
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        { USB_DEVICE(VENDOR_ID_FRWD, PRODUCT_ID_CYPHIDCOM_FRWD) },
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        { USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
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        { }                                             /* Terminating entry */
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};
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 * Cypress serial helper functions
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 *****************************************************************************/
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/* FRWD Dongle hidcom needs to skip reset and speed checks */
 
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static inline bool is_frwd(struct usb_device *dev)
 
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{
 
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        return ((le16_to_cpu(dev->descriptor.idVendor) == VENDOR_ID_FRWD) &&
 
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                (le16_to_cpu(dev->descriptor.idProduct) == PRODUCT_ID_CYPHIDCOM_FRWD));
 
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}
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static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
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{
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        if (unstable_bauds)
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                return new_rate;
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        /* FRWD Dongle uses 115200 bps */
 
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        if (is_frwd(port->serial->dev))
 
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                return new_rate;
 
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        /*
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         * The general purpose firmware for the Cypress M8 allows for
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         * a maximum speed of 57600bps (I have no idea whether DeLorme
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                return -ENOMEM;
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        }
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        usb_reset_configuration(serial->dev);
 
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        /* Skip reset for FRWD device. It is a workaound:
 
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           device hangs if it receives SET_CONFIGURE in Configured
 
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           state. */
 
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        if (!is_frwd(serial->dev))
 
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                usb_reset_configuration(serial->dev);
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        priv->cmd_ctrl = 0;
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        priv->line_control = 0;