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Code Issues Releases Wiki Activity

iommu/sun50i: Drop IOVA cookie management 

The core code bakes its own cookies now.

CC: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/147edb0ba59be563df19cec3e63e621aa65b7b68.1628682048.git.robin.murphy@arm.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Robin Murphy 2021-08-11 13:21:24 +01:00 committed by Joerg Roedel
parent 5ad5f66714
commit aa6546423a
1 changed files with 1 additions and 12 deletions
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13
drivers/iommu/sun50i-iommu.c
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@ -7,7 +7,6 @@
#include <linux/clk.h>
#include <linux/device.h>
#include <linux/dma-direction.h>
#include <linux/dma-iommu.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/errno.h>
@ -610,14 +609,10 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type)
if (!sun50i_domain)
return NULL;
if (type == IOMMU_DOMAIN_DMA &&
iommu_get_dma_cookie(&sun50i_domain->domain))
goto err_free_domain;
sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
get_order(DT_SIZE));
if (!sun50i_domain->dt)
goto err_put_cookie;
goto err_free_domain;
refcount_set(&sun50i_domain->refcnt, 1);
@ -627,10 +622,6 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type)
return &sun50i_domain->domain;
err_put_cookie:
if (type == IOMMU_DOMAIN_DMA)
iommu_put_dma_cookie(&sun50i_domain->domain);
err_free_domain:
kfree(sun50i_domain);
@ -644,8 +635,6 @@ static void sun50i_iommu_domain_free(struct iommu_domain *domain)
free_pages((unsigned long)sun50i_domain->dt, get_order(DT_SIZE));
sun50i_domain->dt = NULL;
iommu_put_dma_cookie(domain);
kfree(sun50i_domain);
}