diff options
| author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2018-03-23 08:38:01 +0100 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-03-29 12:22:21 +0200 |
| commit | 98b72b94def91be0d7918cbba6a150d97047f175 (patch) | |
| tree | 0d202ea8c6ae3725d74fc54e5370182c0a33da4d /drivers/iommu/rockchip-iommu.c | |
| parent | iommu/rockchip: Perform a reset on shutdown (diff) | |
| download | linux-98b72b94def91be0d7918cbba6a150d97047f175.tar.xz linux-98b72b94def91be0d7918cbba6a150d97047f175.zip | |
iommu/rockchip: Prohibit unbind and remove
Removal of IOMMUs cannot be done reliably.
This is similar to exynos iommu driver.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/rockchip-iommu.c')
| -rw-r--r-- | drivers/iommu/rockchip-iommu.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 6a3719e118da..e7fb824d123e 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1197,18 +1197,6 @@ static int rk_iommu_probe(struct platform_device *pdev) return err; } -static int rk_iommu_remove(struct platform_device *pdev) -{ - struct rk_iommu *iommu = platform_get_drvdata(pdev); - - if (iommu) { - iommu_device_sysfs_remove(&iommu->iommu); - iommu_device_unregister(&iommu->iommu); - } - - return 0; -} - static void rk_iommu_shutdown(struct platform_device *pdev) { struct rk_iommu *iommu = platform_get_drvdata(pdev); @@ -1234,11 +1222,11 @@ MODULE_DEVICE_TABLE(of, rk_iommu_dt_ids); static struct platform_driver rk_iommu_driver = { .probe = rk_iommu_probe, - .remove = rk_iommu_remove, .shutdown = rk_iommu_shutdown, .driver = { .name = "rk_iommu", .of_match_table = rk_iommu_dt_ids, + .suppress_bind_attrs = true, }, }; @@ -1266,14 +1254,7 @@ static int __init rk_iommu_init(void) platform_driver_unregister(&rk_iommu_domain_driver); return ret; } -static void __exit rk_iommu_exit(void) -{ - platform_driver_unregister(&rk_iommu_driver); - platform_driver_unregister(&rk_iommu_domain_driver); -} - subsys_initcall(rk_iommu_init); -module_exit(rk_iommu_exit); MODULE_DESCRIPTION("IOMMU API for Rockchip"); MODULE_AUTHOR("Simon Xue <xxm@rock-chips.com> and Daniel Kurtz <djkurtz@chromium.org>"); |