Signed-off-by: jiaqingtong <jiaqingtong@huawei.com> --- drivers/iommu/io-pgtable-arm.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index 6ad083bd34c3..404c87422338 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -244,13 +244,19 @@ static void __arm_lpae_sync_pte(arm_lpae_iopte *ptep, int num_entries, sizeof(*ptep) * num_entries, DMA_TO_DEVICE); } -static void __arm_lpae_clear_pte(arm_lpae_iopte *ptep, struct io_pgtable_cfg *cfg) +static void __arm_lpae_set_pte(arm_lpae_iopte *ptep, arm_lpae_iopte pte, + struct io_pgtable_cfg *cfg) { - - *ptep = 0; + *ptep = pte; if (!cfg->coherent_walk) - __arm_lpae_sync_pte(ptep, 1, cfg); + __arm_lpae_sync_pte(ptep, cfg); +} + +static void __arm_lpae_clear_pte(arm_lpae_iopte *ptep, struct io_pgtable_cfg *cfg) +{ + + __arm_lpae_set_pte(ptep, 0, cfg); } static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data, -- 2.43.GIT