diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/sh_css_host_data.c')
-rw-r--r-- | drivers/staging/media/atomisp/pci/sh_css_host_data.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/sh_css_host_data.c b/drivers/staging/media/atomisp/pci/sh_css_host_data.c new file mode 100644 index 0000000000..39a9b98126 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/sh_css_host_data.c @@ -0,0 +1,43 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Support for Intel Camera Imaging ISP subsystem. + * Copyright (c) 2015, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + */ + +#include <linux/slab.h> +#include <ia_css_host_data.h> +#include <sh_css_internal.h> + +struct ia_css_host_data *ia_css_host_data_allocate(size_t size) +{ + struct ia_css_host_data *me; + + me = kmalloc(sizeof(struct ia_css_host_data), GFP_KERNEL); + if (!me) + return NULL; + me->size = (uint32_t)size; + me->address = kvmalloc(size, GFP_KERNEL); + if (!me->address) { + kfree(me); + return NULL; + } + return me; +} + +void ia_css_host_data_free(struct ia_css_host_data *me) +{ + if (me) { + kvfree(me->address); + me->address = NULL; + kfree(me); + } +} |