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dma: mv_xor: get rid of the pdev pointer in mv_xor_device

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It was only used in places where we could get the 'struct device *'
pointer through a different way.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2012-11-15 14:37:36 +01:00
parent c98c17813e
commit ecde6cd492
2 changed files with 4 additions and 6 deletions
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9
drivers/dma/mv_xor.c
View file

@ -308,8 +308,7 @@ mv_xor_run_tx_complete_actions(struct mv_xor_desc_slot *desc,
*/
if (desc->group_head && desc->unmap_len) {
struct mv_xor_desc_slot *unmap = desc->group_head;
struct device *dev =
&mv_chan->device->pdev->dev;
struct device *dev = mv_chan_to_devp(mv_chan);
u32 len = unmap->unmap_len;
enum dma_ctrl_flags flags = desc->async_tx.flags;
u32 src_cnt;
@ -1077,10 +1076,11 @@ static int mv_xor_channel_remove(struct mv_xor_device *device)
{
struct dma_chan *chan, *_chan;
struct mv_xor_chan *mv_chan;
struct device *dev = device->common.dev;
dma_async_device_unregister(&device->common);
dma_free_coherent(&device->pdev->dev, device->pool_size,
dma_free_coherent(dev, device->pool_size,
device->dma_desc_pool_virt, device->dma_desc_pool);
list_for_each_entry_safe(chan, _chan, &device->common.channels,
@ -1123,7 +1123,6 @@ mv_xor_channel_add(struct mv_xor_private *msp,
/* discover transaction capabilites from the platform data */
dma_dev->cap_mask = cap_mask;
adev->pdev = pdev;
adev->shared = msp;
INIT_LIST_HEAD(&dma_dev->channels);
@ -1208,7 +1207,7 @@ mv_xor_channel_add(struct mv_xor_private *msp,
return adev;
err_free_dma:
dma_free_coherent(&adev->pdev->dev, pool_size,
dma_free_coherent(&pdev->dev, pool_size,
adev->dma_desc_pool_virt, adev->dma_desc_pool);
return ERR_PTR(ret);
}

1
drivers/dma/mv_xor.h
View file

@ -70,7 +70,6 @@ struct mv_xor_private {
* @common: embedded struct dma_device
*/
struct mv_xor_device {
struct platform_device *pdev;
dma_addr_t dma_desc_pool;
void *dma_desc_pool_virt;
size_t pool_size;