diff options
| author | Heiko Stuebner <heiko@sntech.de> | 2018-08-27 12:56:24 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-09-25 11:13:34 +0200 |
| commit | 74bc2abca7603c956d1e331e8b9bee7b874c1eec (patch) | |
| tree | df1e76847055b509e1c2a49432f1097f057739e1 /drivers/iommu/rockchip-iommu.c | |
| parent | 6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84 (diff) | |
| download | linux-74bc2abca7603c956d1e331e8b9bee7b874c1eec.tar.bz2 | |
iommu/rockchip: Free irqs in shutdown handler
In the iommu's shutdown handler we disable runtime-pm which could
result in the irq-handler running unclocked and since commit
3fc7c5c0cff3 ("iommu/rockchip: Handle errors returned from PM framework")
we warn about that fact.
This can cause warnings on shutdown on some Rockchip machines, so
free the irqs in the shutdown handler before we disable runtime-pm.
Reported-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Fixes: 3fc7c5c0cff3 ("iommu/rockchip: Handle errors returned from PM framework")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Marc Zyngier <marc.zyngier@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 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 258115b10fa9..ad3e2b97469e 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1241,6 +1241,12 @@ err_unprepare_clocks: static void rk_iommu_shutdown(struct platform_device *pdev) { + struct rk_iommu *iommu = platform_get_drvdata(pdev); + int i = 0, irq; + + while ((irq = platform_get_irq(pdev, i++)) != -ENXIO) + devm_free_irq(iommu->dev, irq, iommu); + pm_runtime_force_suspend(&pdev->dev); } |