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7d09aaf831
linux-next/drivers/iommu
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Yong Wu 7d09aaf831 media: iommu/mediatek: Add probe_defer for smi-larb 
Prepare for adding device_link.

The iommu consumer should use device_link to connect with the
smi-larb(supplier). then the smi-larb should run before the iommu
consumer. Here we delay the iommu driver until the smi driver is ready,
then all the iommu consumers always are after the smi driver.

When there is no this patch, if some consumer drivers run before
smi-larb, the supplier link_status is DL_DEV_NO_DRIVER(0) in the
device_link_add, then device_links_driver_bound will use WARN_ON
to complain that the link_status of supplier is not right.

device_is_bound may be more elegant here. but it is not allowed to
EXPORT from https://lore.kernel.org/patchwork/patch/1334670/.

Signed-off-by: Yong Wu <yong.wu@mediatek.com>
Tested-by: Frank Wunderlich <frank-w@public-files.de> # BPI-R2/MT7623
Acked-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2022-01-28 15:30:21 +01:00
..
amd Merge branches 'arm/smmu', 'virtio', 'x86/amd', 'x86/vt-d' and 'core' into next 2022-01-04 10:33:45 +01:00
arm Rework of the MSI interrupt infrastructure: 2022-01-13 09:05:29 -08:00
intel Merge branches 'arm/smmu', 'virtio', 'x86/amd', 'x86/vt-d' and 'core' into next 2022-01-04 10:33:45 +01:00
apple-dart.c pci-v5.16-changes 2021-11-06 14:36:12 -07:00
dma-iommu.c iommu: Move flush queue data into iommu_dma_cookie 2021-12-20 09:03:05 +01:00
exynos-iommu.c iommu/exynos: Drop IOVA cookie management 2021-08-18 13:25:31 +02:00
fsl_pamu_domain.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
fsl_pamu_domain.h iommu/fsl_pamu: remove the snoop_id field 2021-04-07 10:56:52 +02:00
fsl_pamu.c iommu/fsl_pamu: hardcode the window address and size in pamu_config_ppaace 2021-04-07 10:56:52 +02:00
fsl_pamu.h iommu/fsl_pamu: hardcode the window address and size in pamu_config_ppaace 2021-04-07 10:56:52 +02:00
hyperv-iommu.c iommu/hyperv: setup an IO-APIC IRQ remapping domain for root partition 2021-02-11 08:47:07 +00:00
io-pgfault.c iommu: Add a page fault handler 2021-04-07 10:54:29 +02:00
io-pgtable-arm-v7s.c iommu/io-pgtable-arm-v7s: Add error handle for page table allocation failure 2021-12-14 14:45:35 +00:00
io-pgtable-arm.c iommu/io-pgtable-arm: Fix table descriptor paddr formatting 2021-12-06 13:03:01 +01:00
io-pgtable-arm.h iommu/io-pgtable-arm: Move some definitions to a header 2020-09-28 23:48:06 +01:00
io-pgtable.c iommu/io-pgtable: Add DART pagetable format 2021-08-12 13:15:02 +02:00
ioasid.c iommu/ioasid: Add ioasid references 2020-11-23 14:16:55 +00:00
iommu-debugfs.c iommu: Fix IOMMU debugfs fallout 2019-02-26 11:15:58 +01:00
iommu-sva-lib.c iommu/sva: Add PASID helpers 2020-11-23 14:16:55 +00:00
iommu-sva-lib.h iommu: Add a page fault handler 2021-04-07 10:54:29 +02:00
iommu-sysfs.c drivers/iommu: Export core IOMMU API symbols to permit modular drivers 2019-12-23 14:06:05 +01:00
iommu-traces.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iommu.c iommu: Extend mutex lock scope in iommu_probe_device() 2021-12-06 12:39:05 +01:00
iova.c iommu: Move flush queue data into iommu_dma_cookie 2021-12-20 09:03:05 +01:00
ipmmu-vmsa.c iommu/ipmmu-vmsa: Hook up r8a77980 DT matching code 2021-09-28 11:43:50 +02:00
irq_remapping.c x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
irq_remapping.h x86: Kill all traces of irq_remapping_get_irq_domain() 2020-10-28 20:26:28 +01:00
Kconfig iommu/arm: fix ARM_SMMU_QCOM compilation 2021-10-13 21:28:44 +02:00
Makefile iommu/dart: Add DART iommu driver 2021-08-12 13:15:02 +02:00
msm_iommu_hw-8xxx.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
msm_iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
msm_iommu.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 267 2019-06-05 17:30:29 +02:00
mtk_iommu_v1.c media: iommu/mediatek: Add probe_defer for smi-larb 2022-01-28 15:30:21 +01:00
mtk_iommu.c media: iommu/mediatek: Add probe_defer for smi-larb 2022-01-28 15:30:21 +01:00
mtk_iommu.h iommu/mediatek: Add mt8192 support 2021-02-01 11:31:19 +00:00
of_iommu.c iommu: Remove unused of_get_dma_window() 2021-06-08 14:15:46 +02:00
omap-iommu-debug.c iommu/omap: Check for failure of a call to omap_iommu_dump_ctx 2020-07-22 15:02:33 +02:00
omap-iommu.c iommu: Drop unnecessary of_iommu.h includes 2021-06-08 14:15:46 +02:00
omap-iommu.h iommu/omap: add support for late attachment of iommu devices 2019-08-09 17:37:10 +02:00
omap-iopgtable.h iommu/omap: Fix -Woverflow warnings when compiling on 64-bit architectures 2020-03-04 16:24:46 +01:00
rockchip-iommu.c iommu/rockchip: Fix PAGE_DESC_HI_MASKs for RK3568 2021-11-26 22:54:20 +01:00
s390-iommu.c s390/pci: use physical addresses in DMA tables 2021-12-06 14:42:26 +01:00
sprd-iommu.c iommu/sprd: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
sun50i-iommu.c iommu/sun50i: Drop IOVA cookie management 2021-08-18 13:25:32 +02:00
tegra-gart.c iommu: Streamline registration interface 2021-04-16 17:20:45 +02:00
tegra-smmu.c iommu/tegra-smmu: Use devm_bitmap_zalloc when applicable 2021-10-18 13:39:41 +02:00
virtio-iommu.c virtio,vdpa,qemu_fw_cfg: features, cleanups, fixes 2022-01-18 10:05:48 +02:00