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drivers/dma/iop-adma: Use dma_alloc_writecombine() kernel-style

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dma_alloc_writecombine()'s call and return value check is
tangled in all in one call. Untangle both calls according to
kernel coding style.

Signed-off-by: Luis R. Rodriguez <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Acked-by: Vinod Koul <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Luis R. Rodriguez 2015-08-24 12:13:31 -07:00 • committed by Ingo Molnar
commit 39c3370442
1 changed files with 5 additions and 4 deletions
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9
drivers/dma/iop-adma.c
View file

@ -1300,10 +1300,11 @@ static int iop_adma_probe(struct platform_device *pdev)
* note: writecombine gives slightly better performance, but
* requires that we explicitly flush the writes
*/
if ((adev->dma_desc_pool_virt = dma_alloc_writecombine(&pdev->dev,
plat_data->pool_size,
&adev->dma_desc_pool,
GFP_KERNEL)) == NULL) {
adev->dma_desc_pool_virt = dma_alloc_writecombine(&pdev->dev,
plat_data->pool_size,
&adev->dma_desc_pool,
GFP_KERNEL);
if (!adev->dma_desc_pool_virt) {
ret = -ENOMEM;
goto err_free_adev;
}