Re: [PATCHv7 1/7] iommu/io-pgtable-arm: Add support to use system cache

2020-11-12 Thread Will Deacon
On Wed, Nov 11, 2020 at 11:32:42AM +0530, Sai Prakash Ranjan wrote: > On 2020-11-10 17:48, Will Deacon wrote: > > On Fri, Oct 30, 2020 at 02:53:08PM +0530, Sai Prakash Ranjan wrote: > > > Add a quirk IO_PGTABLE_QUIRK_SYS_CACHE to override the > > > attributes set in TCR for the page table walker wh

Re: [PATCHv7 1/7] iommu/io-pgtable-arm: Add support to use system cache

2020-11-10 Thread Sai Prakash Ranjan
On 2020-11-10 17:48, Will Deacon wrote: On Fri, Oct 30, 2020 at 02:53:08PM +0530, Sai Prakash Ranjan wrote: Add a quirk IO_PGTABLE_QUIRK_SYS_CACHE to override the attributes set in TCR for the page table walker when using system cache. Signed-off-by: Sai Prakash Ranjan --- drivers/iommu/io-pg

Re: [PATCHv7 1/7] iommu/io-pgtable-arm: Add support to use system cache

2020-11-10 Thread Will Deacon
On Fri, Oct 30, 2020 at 02:53:08PM +0530, Sai Prakash Ranjan wrote: > Add a quirk IO_PGTABLE_QUIRK_SYS_CACHE to override the > attributes set in TCR for the page table walker when > using system cache. > > Signed-off-by: Sai Prakash Ranjan > --- > drivers/iommu/io-pgtable-arm.c | 7 ++- > in

[PATCHv7 1/7] iommu/io-pgtable-arm: Add support to use system cache

2020-11-01 Thread Sai Prakash Ranjan
Add a quirk IO_PGTABLE_QUIRK_SYS_CACHE to override the attributes set in TCR for the page table walker when using system cache. Signed-off-by: Sai Prakash Ranjan --- drivers/iommu/io-pgtable-arm.c | 7 ++- include/linux/io-pgtable.h | 4 2 files changed, 10 insertions(+), 1 deletion