From 7399139be6b21c7c59323a4fab56cc07cd254529 Mon Sep 17 00:00:00 2001 From: Mansur Alisha Shaik Date: Thu, 24 Sep 2020 08:59:46 +0200 Subject: media: venus: core: add shutdown callback for venus After the SMMU translation is disabled in the arm-smmu shutdown callback during reboot, if any subsystem are still alive then IOVAs they are using will become PAs on bus, which may lead to crash. So implemented shutdown callback, which detach iommu maps. Signed-off-by: Mansur Alisha Shaik Signed-off-by: Stanimir Varbanov Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/qcom/venus/core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index d5bfd6fff85b..bdd293faaad0 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -345,6 +345,14 @@ static int venus_remove(struct platform_device *pdev) return ret; } +static void venus_core_shutdown(struct platform_device *pdev) +{ + struct venus_core *core = platform_get_drvdata(pdev); + + venus_shutdown(core); + venus_firmware_deinit(core); +} + static __maybe_unused int venus_runtime_suspend(struct device *dev) { struct venus_core *core = dev_get_drvdata(dev); @@ -620,6 +628,7 @@ static struct platform_driver qcom_venus_driver = { .of_match_table = venus_dt_match, .pm = &venus_pm_ops, }, + .shutdown = venus_core_shutdown, }; module_platform_driver(qcom_venus_driver); -- cgit