staging: et131x: Remove alignment offset padding on DMA buffer allocation/free
This padding was used to align buffers to a 4k boundary when returned from dma_alloc_coherent(). As the buffers are already 4k aligned, and the alignment no longer performed, the padding is not needed. Signed-off-by: Mark Einon <mark.einon@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2291,8 +2291,7 @@ static int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
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for (id = 0; id < NUM_FBRS; id++) {
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/* Allocate an area of memory for Free Buffer Ring */
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bufsize = (sizeof(struct fbr_desc) *
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rx_ring->fbr[id]->num_entries) + 0xfff;
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bufsize = (sizeof(struct fbr_desc) * rx_ring->fbr[id]->num_entries);
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rx_ring->fbr[id]->ring_virtaddr =
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dma_alloc_coherent(&adapter->pdev->dev,
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bufsize,
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@ -2463,8 +2462,7 @@ static void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
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}
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bufsize =
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(sizeof(struct fbr_desc) * rx_ring->fbr[id]->num_entries) +
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0xfff;
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sizeof(struct fbr_desc) * rx_ring->fbr[id]->num_entries;
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dma_free_coherent(&adapter->pdev->dev, bufsize,
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rx_ring->fbr[id]->ring_virtaddr,
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