]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
iommu/rockchip: Fix zap cache during device attach
authorJohn Keeping <john@metanate.com>
Wed, 1 Jun 2016 15:46:10 +0000 (16:46 +0100)
committerJoerg Roedel <jroedel@suse.de>
Wed, 15 Jun 2016 10:03:00 +0000 (12:03 +0200)
rk_iommu_command() takes a struct rk_iommu and iterates over the slave
MMUs, so this is doubly wrong in that we're passing in the wrong pointer
and talking to MMUs that we shouldn't be.

Fixes: cd6438c5f844 ("iommu/rockchip: Reconstruct to support multi slaves")
Cc: stable@vger.kernel.org
Signed-off-by: John Keeping <john@metanate.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/rockchip-iommu.c

index c7d6156ff5360873b1394c746ba62b05d06113f5..25b4627cb57fa18e66d32548f18d8d22669a5bcb 100644 (file)
@@ -815,7 +815,7 @@ static int rk_iommu_attach_device(struct iommu_domain *domain,
        dte_addr = virt_to_phys(rk_domain->dt);
        for (i = 0; i < iommu->num_mmu; i++) {
                rk_iommu_write(iommu->bases[i], RK_MMU_DTE_ADDR, dte_addr);
-               rk_iommu_command(iommu->bases[i], RK_MMU_CMD_ZAP_CACHE);
+               rk_iommu_base_command(iommu->bases[i], RK_MMU_CMD_ZAP_CACHE);
                rk_iommu_write(iommu->bases[i], RK_MMU_INT_MASK, RK_MMU_IRQ_MASK);
        }