| Message ID | 1382092020-13170-14-git-send-email-hdoyu@nvidia.com |
|---|---|
| State | Superseded, archived |
| Headers | show |
On 10/18/2013 04:26 AM, Hiroshi Doyu wrote: > Make PCIe work as it is. IOMMU support can be implemented later. We > need the same kind of registration framework for PCIe as platform_bus > does currently. Some more explanation is needed here re: exactly why PCIe doesn't work, and how this patch makes it work. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 22951e6..f0ff48e 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -384,6 +384,9 @@ static int __smmu_client_set_hwgrp(struct smmu_client *c, map = smmu_client_hwgrp(c); for_each_set_bit(i, bitmap, sizeof(map) * BITS_PER_BYTE) { + if (i == TEGRA_SWGROUP_AFI) /* FIXME: IOMMU'able PCIe */ + continue; + offs = HWGRP_ASID_REG(i); val = smmu_read(smmu, offs); if (on) {
Make PCIe work as it is. IOMMU support can be implemented later. We need the same kind of registration framework for PCIe as platform_bus does currently. Signed-off-by: Hiroshi Doyu <hdoyu@nvidia.com> --- drivers/iommu/tegra-smmu.c | 3 +++ 1 file changed, 3 insertions(+)