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facetimehd: remove unused functions and adjust copyright

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Sven Schnelle
2015-11-27 20:51:44 +01:00
parent f3067f211a
commit 5305cee744
2 changed files with 2 additions and 54 deletions
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54
fthd_buffer.c
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@@ -1,7 +1,7 @@
/*
* Broadcom PCIe 1570 webcam driver
*
* Copyright (C) 2014 Patrik Jakobsson (patrik.r.jakobsson@gmail.com)
* Copyright (C) 2015 Sven Schnelle <svens@stackframe.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
@@ -43,43 +43,6 @@ static int iommu_allocator_init(struct fthd_private *dev_priv)
return 0;
}
struct iommu_obj *iommu_allocate(struct fthd_private *dev_priv, resource_size_t size, unsigned long long phys_addr)
{
struct iommu_obj *obj;
struct resource *root = dev_priv->iommu;
int ret, pages, i, j;
pages = GET_IOMMU_PAGES(size);
if (!pages || pages > 4095)
return NULL;
obj = kzalloc(sizeof(struct iommu_obj), GFP_KERNEL);
if (!obj)
return NULL;
obj->base.name = "S2 IOMMU";
ret = allocate_resource(root, &obj->base, pages, root->start, root->end,
1, NULL, NULL);
if (ret) {
dev_err(&dev_priv->pdev->dev,
"Failed to allocate resource (size: %d, start: %Ld, end: %Ld)\n",
pages, root->start, root->end);
kfree(obj);
obj = NULL;
return NULL;
}
obj->offset = obj->base.start - root->start;
obj->size = pages;
for (i = obj->offset, j = 0; i < obj->offset + obj->size; i++, j++)
FTHD_S2_REG_WRITE((phys_addr >> 12) + j, 0x9000 + i * 4);
pr_debug("allocated %d pages @ %p / offset %d\n", obj->size, obj, obj->offset);
return obj;
}
struct iommu_obj *iommu_allocate_sgtable(struct fthd_private *dev_priv, struct sg_table *sgtable)
{
struct iommu_obj *obj;
@@ -135,22 +98,7 @@ struct iommu_obj *iommu_allocate_sgtable(struct fthd_private *dev_priv, struct s
pr_debug("allocated %d pages @ %p / offset %d\n", obj->size, obj, obj->offset);
return obj;
}
#if 0
struct iommu_obj *get_iommu_obj(struct fthd_private *dev_priv, int pos)
{
struct iommu_obj *obj;
struct resource *res;
res = lookup_resource(dev_priv->iommu, pos);
if (!res)
return NULL;
obj = container_of(res, struct iommu_obj, base);
if (!obj)
return NULL;
return obj;
}
#endif
void iommu_free(struct fthd_private *dev_priv, struct iommu_obj *obj)
{
int i;