diff options
Diffstat (limited to 'drivers/firewire/core-iso.c')
| -rw-r--r-- | drivers/firewire/core-iso.c | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c index 35e784cffc23..42566b7be8f5 100644 --- a/drivers/firewire/core-iso.c +++ b/drivers/firewire/core-iso.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Isochronous I/O functionality: * - Isochronous DMA context management * - Isochronous bus resource management (channels, bandwidth), client side * * Copyright (C) 2006 Kristian Hoegsberg <krh@bitplanet.net> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <linux/dma-mapping.h> @@ -107,19 +94,8 @@ EXPORT_SYMBOL(fw_iso_buffer_init); int fw_iso_buffer_map_vma(struct fw_iso_buffer *buffer, struct vm_area_struct *vma) { - unsigned long uaddr; - int i, err; - - uaddr = vma->vm_start; - for (i = 0; i < buffer->page_count; i++) { - err = vm_insert_page(vma, uaddr, buffer->pages[i]); - if (err) - return err; - - uaddr += PAGE_SIZE; - } - - return 0; + return vm_map_pages_zero(vma, buffer->pages, + buffer->page_count); } void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, |