diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/serial/ti_usb_3410_5052.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 01d0c70..1cdb151 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -145,7 +145,7 @@ static int ti_command_in_sync(struct ti_device *tdev, __u8 command, static int ti_write_byte(struct ti_device *tdev, unsigned long addr, __u8 mask, __u8 byte); -static int ti_download_firmware(struct ti_device *tdev, int type); +static int ti_download_firmware(struct ti_device *tdev); /* circular buffer */ static struct circ_buf *ti_buf_alloc(void); @@ -176,7 +176,7 @@ static unsigned int product_5052_count; /* the array dimension is the number of default entries plus */ /* TI_EXTRA_VID_PID_COUNT user defined entries plus 1 terminating */ /* null entry */ -static struct usb_device_id ti_id_table_3410[1+TI_EXTRA_VID_PID_COUNT+1] = { +static struct usb_device_id ti_id_table_3410[2+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, }; @@ -188,7 +188,7 @@ static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, }; -static struct usb_device_id ti_id_table_combined[] = { +static struct usb_device_id ti_id_table_combined[6+2*TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_3410_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_3410_EZ430_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_BOOT_PRODUCT_ID) }, @@ -304,21 +304,28 @@ MODULE_DEVICE_TABLE(usb, ti_id_table_combined); static int __init ti_init(void) { - int i, j; + int i, j, c; int ret; /* insert extra vendor and product ids */ + c = ARRAY_SIZE(ti_id_table_combined) - 2 * TI_EXTRA_VID_PID_COUNT - 1; j = ARRAY_SIZE(ti_id_table_3410) - TI_EXTRA_VID_PID_COUNT - 1; - for (i = 0; i < min(vendor_3410_count, product_3410_count); i++, j++) { + for (i = 0; i < min(vendor_3410_count, product_3410_count); i++, j++, c++) { ti_id_table_3410[j].idVendor = vendor_3410[i]; ti_id_table_3410[j].idProduct = product_3410[i]; ti_id_table_3410[j].match_flags = USB_DEVICE_ID_MATCH_DEVICE; + ti_id_table_combined[c].idVendor = vendor_3410[i]; + ti_id_table_combined[c].idProduct = product_3410[i]; + ti_id_table_combined[c].match_flags = USB_DEVICE_ID_MATCH_DEVICE; } j = ARRAY_SIZE(ti_id_table_5052) - TI_EXTRA_VID_PID_COUNT - 1; - for (i = 0; i < min(vendor_5052_count, product_5052_count); i++, j++) { + for (i = 0; i < min(vendor_5052_count, product_5052_count); i++, j++, c++) { ti_id_table_5052[j].idVendor = vendor_5052[i]; ti_id_table_5052[j].idProduct = product_5052[i]; ti_id_table_5052[j].match_flags = USB_DEVICE_ID_MATCH_DEVICE; + ti_id_table_combined[c].idVendor = vendor_5052[i]; + ti_id_table_combined[c].idProduct = product_5052[i]; + ti_id_table_combined[c].match_flags = USB_DEVICE_ID_MATCH_DEVICE; } ret = usb_serial_register(&ti_1port_device); @@ -390,11 +397,7 @@ static int ti_startup(struct usb_serial *serial) /* if we have only 1 configuration, download firmware */ if (dev->descriptor.bNumConfigurations == 1) { - if (tdev->td_is_3410) - status = ti_download_firmware(tdev, 3410); - else - status = ti_download_firmware(tdev, 5052); - if (status) + if ((status = ti_download_firmware(tdev)) != 0) goto free_tdev; /* 3410 must be reset, 5052 resets itself */ @@ -1671,9 +1674,9 @@ static int ti_do_download(struct usb_device *dev, int pipe, return status; } -static int ti_download_firmware(struct ti_device *tdev, int type) +static int ti_download_firmware(struct ti_device *tdev) { - int status = -ENOMEM; + int status; int buffer_size; __u8 *buffer; struct usb_device *dev = tdev->td_serial->dev; @@ -1681,9 +1684,18 @@ static int ti_download_firmware(struct ti_device *tdev, int type) tdev->td_serial->port[0]->bulk_out_endpointAddress); const struct firmware *fw_p; char buf[32]; - sprintf(buf, "ti_usb-%d.bin", type); - if (request_firmware(&fw_p, buf, &dev->dev)) { + /* try ID specific firmware first, then try generic firmware */ + sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor, + dev->descriptor.idProduct); + if ((status = request_firmware(&fw_p, buf, &dev->dev)) != 0) { + if (tdev->td_is_3410) + strcpy(buf, "ti_3410.fw"); + else + strcpy(buf, "ti_5052.fw"); + status = request_firmware(&fw_p, buf, &dev->dev); + } + if (status) { dev_err(&dev->dev, "%s - firmware not found\n", __func__); return -ENOENT; } @@ -1699,6 +1711,8 @@ static int ti_download_firmware(struct ti_device *tdev, int type) memset(buffer + fw_p->size, 0xff, buffer_size - fw_p->size); status = ti_do_download(dev, pipe, buffer, fw_p->size); kfree(buffer); + } else { + status = -ENOMEM; } release_firmware(fw_p); if (status) { |
