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[media] omap3isp: stat: Merge dma_addr and iommu_addr fields

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The fields store buffer addresses as seen from the device. The first one
is used with an external DMA engine while the second one is used with
the ISP DMA engine. As they're never used together, merge them.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Laurent Pinchart 2014-01-02 10:27:12 -03:00 committed by Mauro Carvalho Chehab
parent 4d4c00d4fd
commit cbde9e9d7f
4 changed files with 11 additions and 15 deletions
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2
drivers/media/platform/omap3isp/isph3a_aewb.c
View file

@ -47,7 +47,7 @@ static void h3a_aewb_setup_regs(struct ispstat *aewb, void *priv)
if (aewb->state == ISPSTAT_DISABLED)
return;
isp_reg_writel(aewb->isp, aewb->active_buf->iommu_addr,
isp_reg_writel(aewb->isp, aewb->active_buf->dma_addr,
OMAP3_ISP_IOMEM_H3A, ISPH3A_AEWBUFST);
if (!aewb->update)

2
drivers/media/platform/omap3isp/isph3a_af.c
View file

@ -51,7 +51,7 @@ static void h3a_af_setup_regs(struct ispstat *af, void *priv)
if (af->state == ISPSTAT_DISABLED)
return;
isp_reg_writel(af->isp, af->active_buf->iommu_addr, OMAP3_ISP_IOMEM_H3A,
isp_reg_writel(af->isp, af->active_buf->dma_addr, OMAP3_ISP_IOMEM_H3A,
ISPH3A_AFBUFST);
if (!af->update)

21
drivers/media/platform/omap3isp/ispstat.c
View file

@ -361,21 +361,19 @@ static void isp_stat_bufs_free(struct ispstat *stat)
struct ispstat_buffer *buf = &stat->buf[i];
if (!ISP_STAT_USES_DMAENGINE(stat)) {
if (IS_ERR_OR_NULL((void *)buf->iommu_addr))
if (IS_ERR_OR_NULL((void *)buf->dma_addr))
continue;
if (buf->iovm)
dma_unmap_sg(isp->dev, buf->iovm->sgt->sgl,
buf->iovm->sgt->nents,
DMA_FROM_DEVICE);
omap_iommu_vfree(isp->domain, isp->dev,
buf->iommu_addr);
omap_iommu_vfree(isp->domain, isp->dev, buf->dma_addr);
} else {
if (!buf->virt_addr)
continue;
dma_free_coherent(stat->isp->dev, stat->buf_alloc_size,
buf->virt_addr, buf->dma_addr);
}
buf->iommu_addr = 0;
buf->iovm = NULL;
buf->dma_addr = 0;
buf->virt_addr = NULL;
@ -396,12 +394,12 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat,
struct isp_device *isp = stat->isp;
struct iovm_struct *iovm;
buf->iommu_addr = omap_iommu_vmalloc(isp->domain, isp->dev, 0,
size, IOMMU_FLAG);
if (IS_ERR((void *)buf->iommu_addr))
buf->dma_addr = omap_iommu_vmalloc(isp->domain, isp->dev, 0,
size, IOMMU_FLAG);
if (IS_ERR_VALUE(buf->dma_addr))
return -ENOMEM;
iovm = omap_find_iovm_area(isp->dev, buf->iommu_addr);
iovm = omap_find_iovm_area(isp->dev, buf->dma_addr);
if (!iovm)
return -ENOMEM;
@ -410,8 +408,7 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat,
return -ENOMEM;
buf->iovm = iovm;
buf->virt_addr = omap_da_to_va(stat->isp->dev,
(u32)buf->iommu_addr);
buf->virt_addr = omap_da_to_va(stat->isp->dev, buf->dma_addr);
return 0;
}
@ -478,8 +475,8 @@ static int isp_stat_bufs_alloc(struct ispstat *stat, u32 size)
buf->empty = 1;
dev_dbg(stat->isp->dev,
"%s: buffer[%u] allocated. iommu=0x%08lx dma=0x%08lx virt=0x%08lx",
stat->subdev.name, i, buf->iommu_addr,
"%s: buffer[%u] allocated. dma=0x%08lx virt=0x%08lx",
stat->subdev.name, i,
(unsigned long)buf->dma_addr,
(unsigned long)buf->virt_addr);
}

1
drivers/media/platform/omap3isp/ispstat.h
View file

@ -46,7 +46,6 @@
struct ispstat;
struct ispstat_buffer {
unsigned long iommu_addr;
struct iovm_struct *iovm;
void *virt_addr;
dma_addr_t dma_addr;