When we enable PGTABLE_PA_35_EN, the PA for pgtable may be 35bits.
Thus add dma_mask for it.
Fixes: 301c3ca12576 ("iommu/mediatek: Allow page table PA up to 35bit")
Signed-off-by: Chengci.Xu <[email protected]>
Signed-off-by: Yong Wu <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
---
v2: Just move this out from mt8188 series. Nothing change.
v1: https://lore.kernel.org/linux-mediatek/[email protected]/
---
drivers/iommu/mtk_iommu.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index d5a4955910ff..1a75b4382a92 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -1258,6 +1258,14 @@ static int mtk_iommu_probe(struct platform_device *pdev)
return PTR_ERR(data->bclk);
}
+ if (MTK_IOMMU_HAS_FLAG(data->plat_data, PGTABLE_PA_35_EN)) {
+ ret = dma_set_mask(dev, DMA_BIT_MASK(35));
+ if (!ret) {
+ dev_err(dev, "Failed to set dma_mask 35.\n");
+ return ret;
+ }
+ }
+
pm_runtime_enable(dev);
if (MTK_IOMMU_IS_TYPE(data->plat_data, MTK_IOMMU_TYPE_MM)) {
--
2.25.1
On Thu, Mar 16, 2023 at 02:42:51PM +0800, Yong Wu wrote:
> drivers/iommu/mtk_iommu.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
Applied, thanks.
On Wed, 2023-03-22 at 15:32 +0100, Joerg Roedel wrote:
> On Thu, Mar 16, 2023 at 02:42:51PM +0800, Yong Wu wrote:
> > drivers/iommu/mtk_iommu.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
>
> Applied, thanks.
Hi Joerg,
Thanks very much for the applying. I'm sorry I had a typo in this
version. Is it possible to use v3 instead?
https://lore.kernel.org/linux-iommu/[email protected]/
On Thu, Mar 23, 2023 at 11:32:38AM +0000, Yong Wu (吴勇) wrote:
> Thanks very much for the applying. I'm sorry I had a typo in this
> version. Is it possible to use v3 instead?
Done. Thanks for the heads-up.