diff options
Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')
| -rw-r--r-- | drivers/usb/misc/ftdi-elan.c | 39 |
1 files changed, 5 insertions, 34 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 8291499d0581..76c718ac8c78 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * USB FTDI client driver for Elan Digital Systems's Uxxx adapters * @@ -7,11 +8,6 @@ * Author and Maintainer - Tony Olech - Elan Digital Systems * tony.olech@elandigitalsystems.com * - * This program is free software;you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - * - * * This driver was written by Tony Olech(tony.olech@elandigitalsystems.com) * based on various USB client drivers in the 2.6.15 linux kernel * with constant reference to the 3rd Edition of Linux Device Drivers @@ -305,9 +301,9 @@ static int ftdi_elan_command_engine(struct usb_ftdi *ftdi); static int ftdi_elan_respond_engine(struct usb_ftdi *ftdi); static int ftdi_elan_hcd_init(struct usb_ftdi *ftdi) { - int result; if (ftdi->platform_dev.dev.parent) return -EBUSY; + ftdi_elan_get_kref(ftdi); ftdi->platform_data.potpg = 100; ftdi->platform_data.reset = NULL; @@ -324,8 +320,8 @@ static int ftdi_elan_hcd_init(struct usb_ftdi *ftdi) request_module("u132_hcd"); dev_info(&ftdi->udev->dev, "registering '%s'\n", ftdi->platform_dev.name); - result = platform_device_register(&ftdi->platform_dev); - return result; + + return platform_device_register(&ftdi->platform_dev); } static void ftdi_elan_abandon_completions(struct usb_ftdi *ftdi) @@ -857,7 +853,7 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi, target->actual = 0; target->non_null = (ed_length >> 15) & 0x0001; target->repeat_number = (ed_length >> 11) & 0x000F; - if (ed_type == 0x02) { + if (ed_type == 0x02 || ed_type == 0x03) { if (payload == 0 || target->abandoning > 0) { target->abandoning = 0; mutex_unlock(&ftdi->u132_lock); @@ -873,31 +869,6 @@ static char *have_ed_set_response(struct usb_ftdi *ftdi, mutex_unlock(&ftdi->u132_lock); return b; } - } else if (ed_type == 0x03) { - if (payload == 0 || target->abandoning > 0) { - target->abandoning = 0; - mutex_unlock(&ftdi->u132_lock); - ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response, - payload); - ftdi->received = 0; - ftdi->expected = 4; - ftdi->ed_found = 0; - return ftdi->response; - } else { - ftdi->expected = 4 + payload; - ftdi->ed_found = 1; - mutex_unlock(&ftdi->u132_lock); - return b; - } - } else if (ed_type == 0x01) { - target->abandoning = 0; - mutex_unlock(&ftdi->u132_lock); - ftdi_elan_do_callback(ftdi, target, 4 + ftdi->response, - payload); - ftdi->received = 0; - ftdi->expected = 4; - ftdi->ed_found = 0; - return ftdi->response; } else { target->abandoning = 0; mutex_unlock(&ftdi->u132_lock); |