RE: [PATCH v2 3/4] iommu/exynos: Ensure that SYSMMU is added only once to its master device

2017-01-09 Thread Sricharan
Hi, >Hi Marek, > >On 09/01/17 12:03, Marek Szyprowski wrote: >> This patch prepares Exynos IOMMU driver for deferred probing >> support. Once it gets added, of_xlate() callback might be called >> more than once for the same SYSMMU controller and master device >> (for example it happens when

[PATCH v2 3/4] iommu/exynos: Ensure that SYSMMU is added only once to its master device

2017-01-09 Thread Marek Szyprowski
This patch prepares Exynos IOMMU driver for deferred probing support. Once it gets added, of_xlate() callback might be called more than once for the same SYSMMU controller and master device (for example it happens when masters device driver fails with EPROBE_DEFER). This patch adds a check, which