diff options
Diffstat (limited to 'drivers/usb/serial/ezusb.c')
| -rw-r--r-- | drivers/usb/serial/ezusb.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c index 800e8eb60003..3048b52d2d39 100644 --- a/drivers/usb/serial/ezusb.c +++ b/drivers/usb/serial/ezusb.c @@ -9,24 +9,24 @@ */ #include <linux/kernel.h> -#include <linux/errno.h> #include <linux/init.h> #include <linux/slab.h> -#include <linux/tty.h> #include <linux/module.h> #include <linux/usb.h> -#include <linux/usb/serial.h> /* EZ-USB Control and Status Register. Bit 0 controls 8051 reset */ #define CPUCS_REG 0x7F92 -int ezusb_writememory(struct usb_serial *serial, int address, +/* Command for writing to internal memory */ +#define WRITE_INT_RAM 0xA0 + +int ezusb_writememory(struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) { int result; unsigned char *transfer_buffer; - if (!serial->dev) { + if (!dev) { printk(KERN_ERR "ezusb: %s - no physical device present, " "failing.\n", __func__); return -ENODEV; @@ -34,25 +34,25 @@ int ezusb_writememory(struct usb_serial *serial, int address, transfer_buffer = kmemdup(data, length, GFP_KERNEL); if (!transfer_buffer) { - dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", + dev_err(&dev->dev, "%s - kmalloc(%d) failed.\n", __func__, length); return -ENOMEM; } - result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - request, 0x40, address, 0, transfer_buffer, length, 3000); + result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), request, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + address, 0, transfer_buffer, length, 3000); + kfree(transfer_buffer); return result; } EXPORT_SYMBOL_GPL(ezusb_writememory); -int ezusb_set_reset(struct usb_serial *serial, unsigned char reset_bit) +int ezusb_set_reset(struct usb_device *dev, unsigned char reset_bit) { - int response; - - response = ezusb_writememory(serial, CPUCS_REG, &reset_bit, 1, 0xa0); + int response = ezusb_writememory(dev, CPUCS_REG, &reset_bit, 1, WRITE_INT_RAM); if (response < 0) - dev_err(&serial->dev->dev, "%s- %d failed\n", - __func__, reset_bit); + dev_err(&dev->dev, "%s-%d failed: %d\n", + __func__, reset_bit, response); return response; } EXPORT_SYMBOL_GPL(ezusb_set_reset); |