[PATCH v2 07/10] iommu/sun50i: use page allocation function provided by iommu-pages.h

Pasha Tatashin
2023-11-30T20:15:39Z

Convert iommu/sun50i-iommu.c to use the new page allocation functions
provided in iommu-pages.h.

Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
---
drivers/iommu/sun50i-iommu.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/iommu/sun50i-iommu.c b/drivers/iommu/sun50i-iommu.c
index 41484a5a399b..172ddb717eb5 100644
--- a/drivers/iommu/sun50i-iommu.c
+++ b/drivers/iommu/sun50i-iommu.c
@@ -26,6 +26,8 @@
#include <linux/spinlock.h>
#include <linux/types.h>

+#include "iommu-pages.h"
+
#define IOMMU_RESET_REG 0x010
#define IOMMU_RESET_RELEASE_ALL 0xffffffff
#define IOMMU_ENABLE_REG 0x020
@@ -679,8 +681,7 @@ sun50i_iommu_domain_alloc_paging(struct device *dev)
if (!sun50i_domain)
return NULL;

- sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
- get_order(DT_SIZE));
+ sun50i_domain->dt = iommu_alloc_pages(GFP_KERNEL, get_order(DT_SIZE));
if (!sun50i_domain->dt)
goto err_free_domain;

@@ -702,7 +703,7 @@ static void sun50i_iommu_domain_free(struct iommu_domain *domain)
{
struct sun50i_iommu_domain *sun50i_domain = to_sun50i_domain(domain);

- free_pages((unsigned long)sun50i_domain->dt, get_order(DT_SIZE));
+ iommu_free_pages(sun50i_domain->dt, get_order(DT_SIZE));
sun50i_domain->dt = NULL;

kfree(sun50i_domain);
--
2.43.0.rc2.451.g8631bc7472-goog